From 7e3a9f816579567186b3b29c5d10f4fdeae894e1 Mon Sep 17 00:00:00 2001 From: Matt Bierner <12821956+mjbvz@users.noreply.github.com> Date: Fri, 1 May 2026 15:44:27 -0700 Subject: [PATCH 01/11] Add basic support for custom diff editors For #138525 Fixes #298924 Markdown logic is a bit rough still but basics work Co-authored-by: Copilot --- .../media/markdown.css | 23 + .../markdown-language-features/package.json | 7 +- .../preview-src/index.ts | 32 +- .../preview-src/settings.ts | 3 + .../src/preview/documentRenderer.ts | 3 + .../src/preview/lineDiff.ts | 468 ++++++++++++++++++ .../src/preview/preview.ts | 24 +- .../src/preview/previewManager.ts | 120 ++++- .../markdown-language-features/tsconfig.json | 3 +- .../types/previewMessaging.d.ts | 6 + .../common/extensionsApiProposals.ts | 3 + .../api/browser/mainThreadCustomEditors.ts | 246 +++++++-- .../workbench/api/common/extHost.protocol.ts | 43 +- .../api/common/extHostCustomEditors.ts | 108 +++- .../parts/editor/diffEditorCommands.ts | 34 +- .../parts/editor/editor.contribution.ts | 17 +- .../browser/parts/editor/editorActions.ts | 29 +- .../parts/editor/editorConfiguration.ts | 25 +- src/vs/workbench/common/contextkeys.ts | 7 +- .../browser/customEditorDiffInput.ts | 274 ++++++++++ .../customEditor/browser/customEditors.ts | 191 ++++++- .../customEditor/common/customEditor.ts | 8 + .../editor/browser/editorResolverService.ts | 118 +++-- .../editor/common/editorResolverService.ts | 10 +- .../browser/editorResolverService.test.ts | 156 +++++- .../vscode.proposed.customEditorDiffs.d.ts | 67 +++ 26 files changed, 1906 insertions(+), 119 deletions(-) create mode 100644 extensions/markdown-language-features/src/preview/lineDiff.ts create mode 100644 src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts create mode 100644 src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts diff --git a/extensions/markdown-language-features/media/markdown.css b/extensions/markdown-language-features/media/markdown.css index 800be985a43af0..23ac1867ea8fe0 100644 --- a/extensions/markdown-language-features/media/markdown.css +++ b/extensions/markdown-language-features/media/markdown.css @@ -57,6 +57,29 @@ body.showEditorSelection .code-line { position: relative; } +.code-line-diff { + border-radius: 2px; + box-shadow: -4px 0 0 transparent; +} + +.code-line-diff-added { + background-color: var(--vscode-diffEditor-insertedTextBackground); + box-shadow: -4px 0 0 var(--vscode-diffEditorGutter-insertedLineBackground); +} + +.code-line-diff-deleted { + background-color: var(--vscode-diffEditor-removedTextBackground); + box-shadow: -4px 0 0 var(--vscode-diffEditorGutter-removedLineBackground); +} + +.vscode-high-contrast .code-line-diff-added { + outline: 1px solid var(--vscode-diffEditor-insertedTextBorder); +} + +.vscode-high-contrast .code-line-diff-deleted { + outline: 1px solid var(--vscode-diffEditor-removedTextBorder); +} + body.showEditorSelection :not(tr,ul,ol).code-active-line:before, body.showEditorSelection :not(tr,ul,ol).code-line:hover:before { content: ""; diff --git a/extensions/markdown-language-features/package.json b/extensions/markdown-language-features/package.json index a9de8b9604150b..c3c217fdf95fa6 100644 --- a/extensions/markdown-language-features/package.json +++ b/extensions/markdown-language-features/package.json @@ -7,6 +7,9 @@ "publisher": "vscode", "license": "MIT", "aiKey": "0c6ae279ed8443289764825290e4f9e2-1a736e7c-1324-4338-be46-fc2a58ae4d14-7255", + "enabledApiProposals": [ + "customEditorDiffs" + ], "engines": { "vscode": "^1.70.0" }, @@ -156,7 +159,7 @@ "command": "markdown.showSource", "title": "%markdown.showSource.title%", "category": "Markdown", - "icon": "$(go-to-file)" + "icon": "$(file-text)" }, { "command": "markdown.showPreviewSecuritySelector", @@ -188,7 +191,7 @@ "command": "markdown.reopenAsSource", "title": "%markdown.reopenAsSource.title%", "category": "Markdown", - "icon": "$(go-to-file)" + "icon": "$(file-text)" }, { "command": "markdown.togglePreview", diff --git a/extensions/markdown-language-features/preview-src/index.ts b/extensions/markdown-language-features/preview-src/index.ts index d481bb24e53511..f234a6d772af08 100644 --- a/extensions/markdown-language-features/preview-src/index.ts +++ b/extensions/markdown-language-features/preview-src/index.ts @@ -6,11 +6,11 @@ import { ActiveLineMarker } from './activeLineMarker'; import { onceDocumentLoaded } from './events'; import { createPosterForVsCode } from './messaging'; -import { getEditorLineNumberForPageOffset, scrollToRevealSourceLine, getLineElementForFragment } from './scroll-sync'; +import { getEditorLineNumberForPageOffset, getElementsForSourceLine, getLineElementForFragment, scrollToRevealSourceLine } from './scroll-sync'; import { SettingsManager, getData, getRawData } from './settings'; import throttle = require('lodash.throttle'); import morphdom from 'morphdom'; -import type { ToWebviewMessage } from '../types/previewMessaging'; +import type { MarkdownPreviewLineChanges, ToWebviewMessage } from '../types/previewMessaging'; import { isOfScheme, Schemes } from '../src/util/schemes'; let scrollDisabledCount = 0; @@ -21,6 +21,7 @@ const settings = new SettingsManager(); let documentVersion = 0; let documentResource = settings.settings.source; +let lineChanges = settings.settings.lineChanges; const vscode = acquireVsCodeApi(); @@ -88,6 +89,7 @@ onceDocumentLoaded(() => { // Restore const scrollProgress = state.scrollProgress; addImageContexts(); + applyLineChanges(lineChanges); if (typeof scrollProgress === 'number' && !settings.settings.fragment) { doAfterImagesLoaded(() => { scrollDisabledCount += 1; @@ -235,6 +237,7 @@ window.addEventListener('message', async event => { return; case 'updateContent': { + lineChanges = data.lineChanges; const root = document.querySelector('.markdown-body')!; const parser = new DOMParser(); @@ -306,11 +309,36 @@ window.addEventListener('message', async event => { window.dispatchEvent(new CustomEvent('vscode.markdown.updateContent')); addImageContexts(); + applyLineChanges(lineChanges); break; } } }, false); +function applyLineChanges(lineChanges: MarkdownPreviewLineChanges | undefined): void { + for (const element of document.querySelectorAll('.code-line-diff-added, .code-line-diff-deleted')) { + element.classList.remove('code-line-diff', 'code-line-diff-added', 'code-line-diff-deleted'); + } + + markChangedLines(lineChanges?.added, 'code-line-diff-added'); + markChangedLines(lineChanges?.deleted, 'code-line-diff-deleted'); +} + +function markChangedLines(lines: readonly number[] | undefined, className: string): void { + if (!lines) { + return; + } + + for (const line of lines) { + const { previous, next } = getElementsForSourceLine(line, documentVersion); + const lineElement = previous.line >= 0 ? previous : next; + const element = lineElement?.codeElement || lineElement?.element; + if (element) { + element.classList.add('code-line-diff', className); + } + } +} + document.addEventListener('dblclick', event => { diff --git a/extensions/markdown-language-features/preview-src/settings.ts b/extensions/markdown-language-features/preview-src/settings.ts index 6d642b58c64e3a..a385a964deb9b5 100644 --- a/extensions/markdown-language-features/preview-src/settings.ts +++ b/extensions/markdown-language-features/preview-src/settings.ts @@ -3,11 +3,14 @@ * Licensed under the MIT License. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ +import type { MarkdownPreviewLineChanges } from '../types/previewMessaging'; + export interface PreviewSettings { readonly source: string; readonly line?: number; readonly fragment?: string; readonly selectedLine?: number; + readonly lineChanges?: MarkdownPreviewLineChanges; readonly scrollPreviewWithEditor?: boolean; readonly scrollEditorWithPreview: boolean; diff --git a/extensions/markdown-language-features/src/preview/documentRenderer.ts b/extensions/markdown-language-features/src/preview/documentRenderer.ts index f96fce9b745a65..d7b50f9bfad9ff 100644 --- a/extensions/markdown-language-features/src/preview/documentRenderer.ts +++ b/extensions/markdown-language-features/src/preview/documentRenderer.ts @@ -13,6 +13,7 @@ import { WebviewResourceProvider } from '../util/resources'; import { generateUuid } from '../util/uuid'; import { MarkdownPreviewConfiguration, MarkdownPreviewConfigurationManager } from './previewConfig'; import { ContentSecurityPolicyArbiter, MarkdownPreviewSecurityLevel } from './security'; +import type { MarkdownPreviewLineChanges } from '../../types/previewMessaging'; /** @@ -76,6 +77,7 @@ export class MdDocumentRenderer { selectedLine: number | undefined, state: any | undefined, imageInfo: readonly ImageInfo[], + lineChanges: MarkdownPreviewLineChanges | undefined, token: vscode.CancellationToken ): Promise { const sourceUri = markdownDocument.uri; @@ -85,6 +87,7 @@ export class MdDocumentRenderer { fragment: state?.fragment || markdownDocument.uri.fragment || undefined, line: initialLine, selectedLine, + lineChanges, scrollPreviewWithEditor: config.scrollPreviewWithEditor, scrollEditorWithPreview: config.scrollEditorWithPreview, doubleClickToSwitchToEditor: config.doubleClickToSwitchToEditor, diff --git a/extensions/markdown-language-features/src/preview/lineDiff.ts b/extensions/markdown-language-features/src/preview/lineDiff.ts new file mode 100644 index 00000000000000..3a9eda944bd698 --- /dev/null +++ b/extensions/markdown-language-features/src/preview/lineDiff.ts @@ -0,0 +1,468 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import * as vscode from 'vscode'; +import type { API as GitAPI, GitExtension, Repository as GitRepository } from '../../../git/src/api/git'; +import type { MarkdownPreviewLineChanges } from '../../types/previewMessaging'; + +interface LineChanges { + readonly added: readonly number[]; + readonly deleted: readonly number[]; + readonly originalToModified: readonly number[]; + readonly modifiedToOriginal: readonly number[]; +} + +interface LineMappings { + readonly originalToModified: number[]; + readonly modifiedToOriginal: number[]; +} + +interface GitUriParams { + readonly path: string; + readonly ref: string; + readonly submoduleOf?: string; +} + +interface GitPatch { + readonly patch: string; + readonly isFullRepositoryDiff: boolean; +} + +export class MarkdownPreviewLineDiffProvider { + + readonly #originalDocument: vscode.TextDocument; + readonly #modifiedDocument: vscode.TextDocument; + + #cachedOriginalVersion = -1; + #cachedModifiedVersion = -1; + #cachedLineChanges: Promise | undefined; + + public constructor( + originalDocument: vscode.TextDocument, + modifiedDocument: vscode.TextDocument, + ) { + this.#originalDocument = originalDocument; + this.#modifiedDocument = modifiedDocument; + } + + public async getOriginalLineChanges(): Promise { + const deleted = (await this.#getLineChanges()).deleted; + return deleted.length ? { deleted } : undefined; + } + + public async getModifiedLineChanges(): Promise { + const added = (await this.#getLineChanges()).added; + return added.length ? { added } : undefined; + } + + public async translateOriginalLineToModified(line: number): Promise { + return translateLine(line, (await this.#getLineChanges()).originalToModified, this.#modifiedDocument.lineCount); + } + + public async translateModifiedLineToOriginal(line: number): Promise { + return translateLine(line, (await this.#getLineChanges()).modifiedToOriginal, this.#originalDocument.lineCount); + } + + #getLineChanges(): Promise { + if (!this.#cachedLineChanges || this.#cachedOriginalVersion !== this.#originalDocument.version || this.#cachedModifiedVersion !== this.#modifiedDocument.version) { + this.#cachedOriginalVersion = this.#originalDocument.version; + this.#cachedModifiedVersion = this.#modifiedDocument.version; + this.#cachedLineChanges = computeLineChanges(this.#originalDocument, this.#modifiedDocument); + } + + return this.#cachedLineChanges; + } +} + +async function computeLineChanges(originalDocument: vscode.TextDocument, modifiedDocument: vscode.TextDocument): Promise { + return await computeGitLineChanges(originalDocument, modifiedDocument) + ?? computeContentLineChanges(getDocumentLines(originalDocument), getDocumentLines(modifiedDocument)); +} + +async function computeGitLineChanges(originalDocument: vscode.TextDocument, modifiedDocument: vscode.TextDocument): Promise { + const gitApi = await getGitApi(); + if (!gitApi) { + return undefined; + } + + const originalUri = originalDocument.uri; + const modifiedUri = modifiedDocument.uri; + const originalGitUri = fromGitUri(originalUri); + const modifiedGitUri = fromGitUri(modifiedUri); + const filePath = originalGitUri?.path ?? modifiedGitUri?.path ?? (modifiedUri.scheme === 'file' ? modifiedUri.fsPath : undefined); + if (!filePath || originalGitUri?.submoduleOf || modifiedGitUri?.submoduleOf) { + return undefined; + } + + const repository = gitApi.getRepository(vscode.Uri.file(filePath)); + if (!repository) { + return undefined; + } + + const diff = await getGitPatch(repository, filePath, originalUri, originalGitUri, modifiedUri, modifiedGitUri); + if (!diff) { + return undefined; + } + + const relativePath = diff.isFullRepositoryDiff ? getRepositoryRelativePath(repository.rootUri, filePath) : undefined; + return diff.isFullRepositoryDiff && relativePath === undefined ? undefined : parseGitPatchLineChanges(diff.patch, relativePath, originalDocument.lineCount, modifiedDocument.lineCount); +} + +async function getGitApi(): Promise { + const gitExtension = vscode.extensions.getExtension('vscode.git'); + if (!gitExtension) { + return undefined; + } + + try { + return (gitExtension.isActive ? gitExtension.exports : await gitExtension.activate()).getAPI(1); + } catch { + return undefined; + } +} + +async function getGitPatch( + repository: GitRepository, + filePath: string, + originalUri: vscode.Uri, + originalGitUri: GitUriParams | undefined, + modifiedUri: vscode.Uri, + modifiedGitUri: GitUriParams | undefined, +): Promise { + try { + if (originalGitUri && !modifiedGitUri && modifiedUri.scheme === 'file' && samePath(originalGitUri.path, modifiedUri.fsPath)) { + if (originalGitUri.ref === '~') { + return { patch: await repository.diff(false), isFullRepositoryDiff: true }; + } + if (originalGitUri.ref === 'HEAD') { + return { patch: await repository.diffWithHEAD(filePath), isFullRepositoryDiff: false }; + } + return { patch: await repository.diffWith(originalGitUri.ref, filePath), isFullRepositoryDiff: false }; + } + + if (originalGitUri && modifiedGitUri && samePath(originalGitUri.path, modifiedGitUri.path)) { + if (modifiedGitUri.ref === '') { + return { + patch: originalGitUri.ref === 'HEAD' + ? await repository.diffIndexWithHEAD(filePath) + : await repository.diffIndexWith(originalGitUri.ref, filePath), + isFullRepositoryDiff: false + }; + } + + return { patch: await repository.diffBetween(originalGitUri.ref, modifiedGitUri.ref, filePath), isFullRepositoryDiff: false }; + } + + if (!originalGitUri && modifiedGitUri && originalUri.scheme === 'file' && samePath(originalUri.fsPath, modifiedGitUri.path)) { + return { + patch: modifiedGitUri.ref === 'HEAD' + ? await repository.diffWithHEAD(filePath) + : await repository.diffWith(modifiedGitUri.ref, filePath), + isFullRepositoryDiff: false + }; + } + } catch { + return undefined; + } + + return undefined; +} + +function fromGitUri(uri: vscode.Uri): GitUriParams | undefined { + if (uri.scheme !== 'git') { + return undefined; + } + + try { + const value = JSON.parse(uri.query) as GitUriParams; + return typeof value.path === 'string' && typeof value.ref === 'string' ? value : undefined; + } catch { + return undefined; + } +} + +function getRepositoryRelativePath(rootUri: vscode.Uri, filePath: string): string | undefined { + const root = normalizePath(rootUri.fsPath).replace(/\/+$/, ''); + const file = normalizePath(filePath); + if (file === root) { + return ''; + } + + return file.toLowerCase().startsWith(`${root.toLowerCase()}/`) ? file.slice(root.length + 1) : undefined; +} + +function samePath(a: string, b: string): boolean { + return normalizePath(a).toLowerCase() === normalizePath(b).toLowerCase(); +} + +function normalizePath(value: string): string { + return value.replace(/\\/g, '/'); +} + +function getDocumentLines(document: vscode.TextDocument): string[] { + const lines: string[] = []; + for (let i = 0; i < document.lineCount; ++i) { + lines.push(document.lineAt(i).text); + } + return lines; +} + +function computeContentLineChanges(originalLines: readonly string[], modifiedLines: readonly string[]): LineChanges { + let start = 0; + while (start < originalLines.length && start < modifiedLines.length && originalLines[start] === modifiedLines[start]) { + ++start; + } + + let originalEnd = originalLines.length; + let modifiedEnd = modifiedLines.length; + while (originalEnd > start && modifiedEnd > start && originalLines[originalEnd - 1] === modifiedLines[modifiedEnd - 1]) { + --originalEnd; + --modifiedEnd; + } + + const originalCount = originalEnd - start; + const modifiedCount = modifiedEnd - start; + if (!originalCount && !modifiedCount) { + return createIdentityLineChanges(originalLines.length, modifiedLines.length); + } + + if (originalCount * modifiedCount > 500_000) { + return computeFallbackLineChanges(originalLines, modifiedLines, start, originalEnd, modifiedEnd); + } + + return computeLcsLineChanges(originalLines, modifiedLines, start, originalEnd, modifiedEnd); +} + +function parseGitPatchLineChanges(patch: string, relativePath: string | undefined, originalLineCount: number, modifiedLineCount: number): LineChanges { + const added: number[] = []; + const deleted: number[] = []; + const mappings = createEmptyLineMappings(originalLineCount, modifiedLineCount); + const lines = patch.split(/\r?\n/); + let originalLine = 0; + let modifiedLine = 0; + let inHunk = false; + let fileMatches = !relativePath; + let matchedFile = !relativePath; + let oldPath: string | undefined; + let deletedBlockStart: number | undefined; + + const finishFile = () => { + if (fileMatches && matchedFile) { + fillUnchangedLineMappings(mappings, originalLine, originalLineCount, modifiedLine, modifiedLineCount); + } + }; + + for (const line of lines) { + if (line.startsWith('diff --git ')) { + finishFile(); + inHunk = false; + fileMatches = !relativePath; + matchedFile = !relativePath; + originalLine = 0; + modifiedLine = 0; + oldPath = undefined; + deletedBlockStart = undefined; + continue; + } + + if (!inHunk && line.startsWith('--- ')) { + oldPath = parseGitDiffPath(line.slice(4)); + continue; + } + + if (!inHunk && line.startsWith('+++ ')) { + const newPath = parseGitDiffPath(line.slice(4)); + fileMatches = !relativePath || oldPath === relativePath || newPath === relativePath; + matchedFile = matchedFile || fileMatches; + continue; + } + + const hunkMatch = /^@@ -(\d+)(?:,\d+)? \+(\d+)(?:,\d+)? @@/.exec(line); + if (hunkMatch) { + inHunk = true; + const nextOriginalLine = Math.max(0, Number(hunkMatch[1]) - 1); + const nextModifiedLine = Math.max(0, Number(hunkMatch[2]) - 1); + if (fileMatches) { + fillUnchangedLineMappings(mappings, originalLine, nextOriginalLine, modifiedLine, nextModifiedLine); + } + originalLine = nextOriginalLine; + modifiedLine = nextModifiedLine; + deletedBlockStart = undefined; + continue; + } + + if (!inHunk || !fileMatches || !line) { + continue; + } + + switch (line[0]) { + case ' ': + deletedBlockStart = undefined; + mappings.originalToModified[originalLine] = clampLine(modifiedLine, modifiedLineCount); + mappings.modifiedToOriginal[modifiedLine] = clampLine(originalLine, originalLineCount); + ++originalLine; + ++modifiedLine; + break; + case '-': + deletedBlockStart ??= originalLine; + mappings.originalToModified[originalLine] = clampLine(modifiedLine, modifiedLineCount); + deleted.push(originalLine++); + break; + case '+': + mappings.modifiedToOriginal[modifiedLine] = clampLine(deletedBlockStart ?? originalLine, originalLineCount); + added.push(modifiedLine++); + break; + case '\\': + break; + } + } + finishFile(); + fillMissingLineMappings(mappings); + + return { added, deleted, ...mappings }; +} + +function parseGitDiffPath(rawPath: string): string | undefined { + if (rawPath === '/dev/null') { + return undefined; + } + + const path = rawPath.startsWith('"') && rawPath.endsWith('"') ? rawPath.slice(1, -1) : rawPath; + return path.startsWith('a/') || path.startsWith('b/') ? path.slice(2) : path; +} + +function computeLcsLineChanges(originalLines: readonly string[], modifiedLines: readonly string[], start: number, originalEnd: number, modifiedEnd: number): LineChanges { + const originalCount = originalEnd - start; + const modifiedCount = modifiedEnd - start; + const mappings = createEmptyLineMappings(originalLines.length, modifiedLines.length); + fillUnchangedLineMappings(mappings, 0, start, 0, start); + fillUnchangedLineMappings(mappings, originalEnd, originalLines.length, modifiedEnd, modifiedLines.length); + const lcsLengths: Uint32Array[] = []; + for (let i = 0; i <= originalCount; ++i) { + lcsLengths.push(new Uint32Array(modifiedCount + 1)); + } + + for (let i = originalCount - 1; i >= 0; --i) { + for (let j = modifiedCount - 1; j >= 0; --j) { + lcsLengths[i][j] = originalLines[start + i] === modifiedLines[start + j] + ? lcsLengths[i + 1][j + 1] + 1 + : Math.max(lcsLengths[i + 1][j], lcsLengths[i][j + 1]); + } + } + + const added: number[] = []; + const deleted: number[] = []; + let originalIndex = 0; + let modifiedIndex = 0; + let deletedBlockStart: number | undefined; + let addedBlockStart: number | undefined; + while (originalIndex < originalCount || modifiedIndex < modifiedCount) { + if (originalIndex < originalCount && modifiedIndex < modifiedCount && originalLines[start + originalIndex] === modifiedLines[start + modifiedIndex]) { + deletedBlockStart = undefined; + addedBlockStart = undefined; + mappings.originalToModified[start + originalIndex] = clampLine(start + modifiedIndex, modifiedLines.length); + mappings.modifiedToOriginal[start + modifiedIndex] = clampLine(start + originalIndex, originalLines.length); + ++originalIndex; + ++modifiedIndex; + } else if (modifiedIndex < modifiedCount && (originalIndex === originalCount || lcsLengths[originalIndex][modifiedIndex + 1] >= lcsLengths[originalIndex + 1][modifiedIndex])) { + added.push(start + modifiedIndex); + addedBlockStart ??= start + modifiedIndex; + mappings.modifiedToOriginal[start + modifiedIndex] = clampLine(deletedBlockStart ?? start + originalIndex, originalLines.length); + ++modifiedIndex; + } else { + deleted.push(start + originalIndex); + deletedBlockStart ??= start + originalIndex; + mappings.originalToModified[start + originalIndex] = clampLine(addedBlockStart ?? start + modifiedIndex, modifiedLines.length); + ++originalIndex; + } + } + fillMissingLineMappings(mappings); + + return { added, deleted, ...mappings }; +} + +function computeFallbackLineChanges(originalLines: readonly string[], modifiedLines: readonly string[], start: number, originalEnd: number, modifiedEnd: number): LineChanges { + const added: number[] = []; + const deleted: number[] = []; + const mappings = createEmptyLineMappings(originalLines.length, modifiedLines.length); + fillUnchangedLineMappings(mappings, 0, start, 0, start); + fillUnchangedLineMappings(mappings, originalEnd, originalLines.length, modifiedEnd, modifiedLines.length); + const sharedCount = Math.min(originalEnd - start, modifiedEnd - start); + for (let i = 0; i < sharedCount; ++i) { + mappings.originalToModified[start + i] = clampLine(start + i, modifiedLines.length); + mappings.modifiedToOriginal[start + i] = clampLine(start + i, originalLines.length); + if (originalLines[start + i] !== modifiedLines[start + i]) { + deleted.push(start + i); + added.push(start + i); + } + } + + for (let i = start + sharedCount; i < originalEnd; ++i) { + deleted.push(i); + mappings.originalToModified[i] = clampLine(modifiedEnd, modifiedLines.length); + } + for (let i = start + sharedCount; i < modifiedEnd; ++i) { + added.push(i); + mappings.modifiedToOriginal[i] = clampLine(originalEnd, originalLines.length); + } + fillMissingLineMappings(mappings); + + return { added, deleted, ...mappings }; +} + +function createIdentityLineChanges(originalLineCount: number, modifiedLineCount: number): LineChanges { + const mappings = createEmptyLineMappings(originalLineCount, modifiedLineCount); + fillUnchangedLineMappings(mappings, 0, originalLineCount, 0, modifiedLineCount); + fillMissingLineMappings(mappings); + return { added: [], deleted: [], ...mappings }; +} + +function createEmptyLineMappings(originalLineCount: number, modifiedLineCount: number): LineMappings { + return { + originalToModified: new Array(originalLineCount), + modifiedToOriginal: new Array(modifiedLineCount), + }; +} + +function fillUnchangedLineMappings(mappings: LineMappings, originalStart: number, originalEnd: number, modifiedStart: number, modifiedEnd: number): void { + const count = Math.min(originalEnd - originalStart, modifiedEnd - modifiedStart); + for (let i = 0; i < count; ++i) { + mappings.originalToModified[originalStart + i] = clampLine(modifiedStart + i, mappings.modifiedToOriginal.length); + mappings.modifiedToOriginal[modifiedStart + i] = clampLine(originalStart + i, mappings.originalToModified.length); + } +} + +function fillMissingLineMappings(mappings: LineMappings): void { + for (let i = 0; i < mappings.originalToModified.length; ++i) { + if (typeof mappings.originalToModified[i] !== 'number') { + mappings.originalToModified[i] = clampLine(i, mappings.modifiedToOriginal.length); + } + } + for (let i = 0; i < mappings.modifiedToOriginal.length; ++i) { + if (typeof mappings.modifiedToOriginal[i] !== 'number') { + mappings.modifiedToOriginal[i] = clampLine(i, mappings.originalToModified.length); + } + } +} + +function translateLine(line: number, mappings: readonly number[], targetLineCount: number): number { + const sourceLine = Math.floor(line); + const progress = line - sourceLine; + const mappedLine = mappings[sourceLine] ?? line; + if (progress <= 0) { + return clampLine(mappedLine, targetLineCount); + } + + const nextMappedLine = mappings[sourceLine + 1]; + if (typeof nextMappedLine !== 'number') { + return clampLine(mappedLine + progress, targetLineCount); + } + + return clampLine(mappedLine + ((nextMappedLine - mappedLine) * progress), targetLineCount); +} + +function clampLine(line: number, lineCount: number): number { + return Math.max(0, Math.min(line, lineCount - 1)); +} diff --git a/extensions/markdown-language-features/src/preview/preview.ts b/extensions/markdown-language-features/src/preview/preview.ts index 384ad8e42a2e24..50e547a45ed8ab 100644 --- a/extensions/markdown-language-features/src/preview/preview.ts +++ b/extensions/markdown-language-features/src/preview/preview.ts @@ -16,7 +16,7 @@ import { ImageInfo, MdDocumentRenderer } from './documentRenderer'; import { MarkdownPreviewConfigurationManager } from './previewConfig'; import { scrollEditorToLine, StartingScrollFragment, StartingScrollLine, StartingScrollLocation } from './scrolling'; import { getVisibleLine, LastScrollLocation, TopmostLineMonitor } from './topmostLineMonitor'; -import type { FromWebviewMessage, ToWebviewMessage } from '../../types/previewMessaging'; +import type { FromWebviewMessage, MarkdownPreviewLineChanges, ToWebviewMessage } from '../../types/previewMessaging'; export class PreviewDocumentVersion { @@ -37,6 +37,7 @@ export class PreviewDocumentVersion { interface MarkdownPreviewDelegate { getTitle?(resource: vscode.Uri): string; getAdditionalState(): {}; + getLineChanges?(): MarkdownPreviewLineChanges | Promise | undefined; openPreviewLinkToMarkdownFile(markdownLink: vscode.Uri, fragment: string | undefined): void; } @@ -293,14 +294,15 @@ class MarkdownPreview extends Disposable implements WebviewResourceProvider { } } + const lineChanges = await this.#delegate.getLineChanges?.(); const content = await (shouldReloadPage - ? this.#contentProvider.renderDocument(document, this, this.#previewConfigurations, this.#line, selectedLine, this.state, this.#imageInfo, this.#disposeCts.token) + ? this.#contentProvider.renderDocument(document, this, this.#previewConfigurations, this.#line, selectedLine, this.state, this.#imageInfo, lineChanges, this.#disposeCts.token) : this.#contentProvider.renderBody(document, this)); // Another call to `doUpdate` may have happened. // Make sure we are still updating for the correct document if (this.#currentVersion?.equals(pendingVersion)) { - this.#updateWebviewContent(content.html, shouldReloadPage); + this.#updateWebviewContent(content.html, shouldReloadPage, lineChanges); this.#updateImageWatchers(content.containingImages); } } @@ -361,7 +363,7 @@ class MarkdownPreview extends Disposable implements WebviewResourceProvider { this.#webviewPanel.webview.html = this.#contentProvider.renderFileNotFoundDocument(this.#resource); } - #updateWebviewContent(html: string, reloadPage: boolean): void { + #updateWebviewContent(html: string, reloadPage: boolean, lineChanges: MarkdownPreviewLineChanges | undefined): void { if (this.#disposed) { return; } @@ -377,6 +379,7 @@ class MarkdownPreview extends Disposable implements WebviewResourceProvider { this.postMessage({ type: 'updateContent', content: html, + lineChanges, source: this.#resource.toString(), }); } @@ -506,10 +509,11 @@ export class StaticMarkdownPreview extends Disposable implements IManagedMarkdow contributionProvider: MarkdownContributionProvider, opener: MdLinkOpener, scrollLine?: number, + getLineChanges?: () => MarkdownPreviewLineChanges | Promise | undefined, ): StaticMarkdownPreview { webview.iconPath = contentProvider.iconPath; - return new StaticMarkdownPreview(webview, resource, contentProvider, previewConfigurations, topmostLineMonitor, logger, contributionProvider, opener, scrollLine); + return new StaticMarkdownPreview(webview, resource, contentProvider, previewConfigurations, topmostLineMonitor, logger, contributionProvider, opener, scrollLine, getLineChanges); } readonly #preview: MarkdownPreview; @@ -527,6 +531,7 @@ export class StaticMarkdownPreview extends Disposable implements IManagedMarkdow contributionProvider: MarkdownContributionProvider, opener: MdLinkOpener, scrollLine?: number, + getLineChanges?: () => MarkdownPreviewLineChanges | Promise | undefined, ) { super(); @@ -536,6 +541,7 @@ export class StaticMarkdownPreview extends Disposable implements IManagedMarkdow const topScrollLocation = scrollLine ? new StartingScrollLine(scrollLine) : undefined; this.#preview = this._register(new MarkdownPreview(this.#webviewPanel, resource, topScrollLocation, { getAdditionalState: () => { return {}; }, + getLineChanges, openPreviewLinkToMarkdownFile: (markdownLink, fragment) => { return vscode.commands.executeCommand('vscode.openWith', markdownLink.with({ fragment @@ -596,6 +602,14 @@ export class StaticMarkdownPreview extends Disposable implements IManagedMarkdow this.#preview.refresh(true); } + public scrollTo(line: number): void { + this.#preview.scrollTo(line); + } + + public get onScroll(): vscode.Event { + return this.#preview.onScroll; + } + public updateConfiguration() { if (this.#previewConfigurations.hasConfigurationChanged(this.#preview.resource)) { this.refresh(); diff --git a/extensions/markdown-language-features/src/preview/previewManager.ts b/extensions/markdown-language-features/src/preview/previewManager.ts index cc1f7fda40b63e..c2b96556ab5918 100644 --- a/extensions/markdown-language-features/src/preview/previewManager.ts +++ b/extensions/markdown-language-features/src/preview/previewManager.ts @@ -10,10 +10,12 @@ import { Disposable, disposeAll } from '../util/dispose'; import { isMarkdownFile } from '../util/file'; import { MdLinkOpener } from '../util/openDocumentLink'; import { MdDocumentRenderer } from './documentRenderer'; +import { MarkdownPreviewLineDiffProvider } from './lineDiff'; import { DynamicMarkdownPreview, IManagedMarkdownPreview, StaticMarkdownPreview } from './preview'; import { MarkdownPreviewConfigurationManager } from './previewConfig'; import { scrollEditorToLine, StartingScrollFragment } from './scrolling'; import { TopmostLineMonitor } from './topmostLineMonitor'; +import type { MarkdownPreviewLineChanges } from '../../types/previewMessaging'; export interface DynamicPreviewSettings { @@ -247,6 +249,35 @@ export class MarkdownPreviewManager extends Disposable implements vscode.Webview document: vscode.TextDocument, webview: vscode.WebviewPanel ): Promise { + this.#resolveCustomTextEditor(document, webview); + } + + public async resolveCustomTextEditorInlineDiff( + documents: vscode.CustomEditorDiffDocuments, + webview: vscode.WebviewPanel + ): Promise { + const lineDiffProvider = new MarkdownPreviewLineDiffProvider(documents.original, documents.modified); + const preview = this.#resolveCustomTextEditor(documents.modified, webview, () => lineDiffProvider.getModifiedLineChanges()); + this.#refreshPreviewWhenDocumentChanges(preview, documents.original); + } + + public async resolveCustomTextEditorSideBySideDiff( + documents: vscode.CustomEditorDiffDocuments, + webviewPanels: vscode.CustomEditorSideBySideDiffWebviewPanels + ): Promise { + const lineDiffProvider = new MarkdownPreviewLineDiffProvider(documents.original, documents.modified); + const originalPreview = this.#resolveCustomTextEditor(documents.original, webviewPanels.original, () => lineDiffProvider.getOriginalLineChanges()); + const modifiedPreview = this.#resolveCustomTextEditor(documents.modified, webviewPanels.modified, () => lineDiffProvider.getModifiedLineChanges()); + this.#refreshPreviewWhenDocumentChanges(originalPreview, documents.modified); + this.#refreshPreviewWhenDocumentChanges(modifiedPreview, documents.original); + this.#syncSideBySidePreviewScrolling(originalPreview, modifiedPreview, lineDiffProvider); + } + + #resolveCustomTextEditor( + document: vscode.TextDocument, + webview: vscode.WebviewPanel, + getLineChanges?: () => MarkdownPreviewLineChanges | Promise | undefined, + ): StaticMarkdownPreview { const lineNumber = this.#topmostLineMonitor.getPreviousStaticTextEditorLineByUri(document.uri); const preview = StaticMarkdownPreview.revive( document.uri, @@ -257,10 +288,97 @@ export class MarkdownPreviewManager extends Disposable implements vscode.Webview this.#logger, this.#contributions, this.#opener, - lineNumber + lineNumber, + getLineChanges ); this.#registerStaticPreview(preview); this.#activePreview = preview; + return preview; + } + + #refreshPreviewWhenDocumentChanges(preview: StaticMarkdownPreview, document: vscode.TextDocument): void { + const listener = vscode.workspace.onDidChangeTextDocument(event => { + if (event.document.uri.toString() === document.uri.toString()) { + preview.refresh(); + } + }); + preview.onDispose(() => listener.dispose()); + } + + #syncSideBySidePreviewScrolling(originalPreview: StaticMarkdownPreview, modifiedPreview: StaticMarkdownPreview, lineDiffProvider: MarkdownPreviewLineDiffProvider): void { + let disposed = false; + let ignoreOriginalScrollUntil = 0; + let ignoreModifiedScrollUntil = 0; + let originalToModifiedRequest = 0; + let modifiedToOriginalRequest = 0; + + const syncScroll = async ( + line: number, + targetPreview: StaticMarkdownPreview, + translateLine: (line: number) => Promise, + request: number, + shouldApply: (request: number) => boolean, + ignoreTargetScroll: () => void, + ) => { + if (disposed) { + return; + } + + let targetLine: number; + try { + targetLine = await translateLine(line); + } catch { + targetLine = line; + } + + if (!disposed && shouldApply(request)) { + ignoreTargetScroll(); + targetPreview.scrollTo(targetLine); + } + }; + + const disposables = [ + originalPreview.onScroll(({ line }) => { + if (Date.now() < ignoreOriginalScrollUntil) { + return; + } + const request = ++originalToModifiedRequest; + void syncScroll( + line, + modifiedPreview, + value => lineDiffProvider.translateOriginalLineToModified(value), + request, + value => value === originalToModifiedRequest, + () => { ignoreModifiedScrollUntil = Date.now() + 100; }, + ); + }), + modifiedPreview.onScroll(({ line }) => { + if (Date.now() < ignoreModifiedScrollUntil) { + return; + } + const request = ++modifiedToOriginalRequest; + void syncScroll( + line, + originalPreview, + value => lineDiffProvider.translateModifiedLineToOriginal(value), + request, + value => value === modifiedToOriginalRequest, + () => { ignoreOriginalScrollUntil = Date.now() + 100; }, + ); + }), + ]; + + const dispose = () => { + if (disposed) { + return; + } + disposed = true; + ++originalToModifiedRequest; + ++modifiedToOriginalRequest; + disposeAll(disposables); + }; + originalPreview.onDispose(dispose); + modifiedPreview.onDispose(dispose); } #createNewDynamicPreview( diff --git a/extensions/markdown-language-features/tsconfig.json b/extensions/markdown-language-features/tsconfig.json index 6ae3def2ed1fd8..b1b21973b6073c 100644 --- a/extensions/markdown-language-features/tsconfig.json +++ b/extensions/markdown-language-features/tsconfig.json @@ -10,6 +10,7 @@ }, "include": [ "src/**/*", - "../../src/vscode-dts/vscode.d.ts" + "../../src/vscode-dts/vscode.d.ts", + "../../src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts" ] } diff --git a/extensions/markdown-language-features/types/previewMessaging.d.ts b/extensions/markdown-language-features/types/previewMessaging.d.ts index 686b21bf1a91f4..95221e2d0f28d7 100644 --- a/extensions/markdown-language-features/types/previewMessaging.d.ts +++ b/extensions/markdown-language-features/types/previewMessaging.d.ts @@ -7,6 +7,11 @@ interface BaseMessage { readonly source: string; } +export interface MarkdownPreviewLineChanges { + readonly added?: readonly number[]; + readonly deleted?: readonly number[]; +} + export namespace FromWebviewMessage { export interface CacheImageSizes extends BaseMessage { @@ -63,6 +68,7 @@ export namespace ToWebviewMessage { export interface UpdateContent extends BaseMessage { readonly type: 'updateContent'; readonly content: string; + readonly lineChanges?: MarkdownPreviewLineChanges; } export interface CopyImageContent extends BaseMessage { diff --git a/src/vs/platform/extensions/common/extensionsApiProposals.ts b/src/vs/platform/extensions/common/extensionsApiProposals.ts index a3f632a34cde00..510ab589dc292e 100644 --- a/src/vs/platform/extensions/common/extensionsApiProposals.ts +++ b/src/vs/platform/extensions/common/extensionsApiProposals.ts @@ -206,6 +206,9 @@ const _allApiProposals = { css: { proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.css.d.ts', }, + customEditorDiffs: { + proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts', + }, customEditorMove: { proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.customEditorMove.d.ts', }, diff --git a/src/vs/workbench/api/browser/mainThreadCustomEditors.ts b/src/vs/workbench/api/browser/mainThreadCustomEditors.ts index 95ab653c01044d..6550682d8724b0 100644 --- a/src/vs/workbench/api/browser/mainThreadCustomEditors.ts +++ b/src/vs/workbench/api/browser/mainThreadCustomEditors.ts @@ -4,9 +4,9 @@ *--------------------------------------------------------------------------------------------*/ import { multibyteAwareBtoa } from '../../../base/common/strings.js'; -import { CancelablePromise, createCancelablePromise } from '../../../base/common/async.js'; +import { CancelablePromise, createCancelablePromise, DeferredPromise } from '../../../base/common/async.js'; import { VSBuffer } from '../../../base/common/buffer.js'; -import { CancellationToken } from '../../../base/common/cancellation.js'; +import { CancellationToken, CancellationTokenSource } from '../../../base/common/cancellation.js'; import { isCancellationError, onUnexpectedError } from '../../../base/common/errors.js'; import { Emitter, Event } from '../../../base/common/event.js'; import { Disposable, DisposableMap, DisposableStore, IReference } from '../../../base/common/lifecycle.js'; @@ -26,6 +26,7 @@ import { MainThreadWebviewPanels } from './mainThreadWebviewPanels.js'; import { MainThreadWebviews, reviveWebviewExtension } from './mainThreadWebviews.js'; import * as extHostProtocol from '../common/extHost.protocol.js'; import { IRevertOptions, ISaveOptions } from '../../common/editor.js'; +import { CustomEditorDiffInput, CustomEditorSideBySideDiffInput } from '../../contrib/customEditor/browser/customEditorDiffInput.js'; import { CustomEditorInput } from '../../contrib/customEditor/browser/customEditorInput.js'; import { CustomDocumentBackupData } from '../../contrib/customEditor/browser/customEditorInputFactory.js'; import { ICustomEditorModel, ICustomEditorService } from '../../contrib/customEditor/common/customEditor.js'; @@ -33,7 +34,7 @@ import { CustomTextEditorModel } from '../../contrib/customEditor/common/customT import { ExtensionKeyedWebviewOriginStore, WebviewExtensionDescription } from '../../contrib/webview/browser/webview.js'; import { WebviewInput } from '../../contrib/webviewPanel/browser/webviewEditorInput.js'; import { IWebviewWorkbenchService } from '../../contrib/webviewPanel/browser/webviewWorkbenchService.js'; -import { editorGroupToColumn } from '../../services/editor/common/editorGroupColumn.js'; +import { EditorGroupColumn, editorGroupToColumn } from '../../services/editor/common/editorGroupColumn.js'; import { IEditorGroupsService } from '../../services/editor/common/editorGroupsService.js'; import { IEditorService } from '../../services/editor/common/editorService.js'; import { IWorkbenchEnvironmentService } from '../../services/environment/common/environmentService.js'; @@ -51,6 +52,29 @@ const enum CustomEditorModelType { Text, } +type CustomEditorWebviewInput = CustomEditorInput | CustomEditorDiffInput | CustomEditorSideBySideDiffInput; + +interface CustomEditorDiffInitData { + readonly title: string; + readonly contentOptions: extHostProtocol.IWebviewContentOptions; + readonly options: extHostProtocol.IWebviewPanelOptions; + readonly active: boolean; +} + +interface CustomEditorSideBySideDiffData { + readonly handle: extHostProtocol.WebviewHandle; + readonly initData: CustomEditorDiffInitData; +} + +interface PendingCustomEditorSideBySideDiffResolution { + original?: CustomEditorSideBySideDiffData; + modified?: CustomEditorSideBySideDiffData; + started?: boolean; + readonly promise: DeferredPromise; + readonly cancellation: CancellationTokenSource; + readonly disposables: DisposableStore; +} + export class MainThreadCustomEditors extends Disposable implements extHostProtocol.MainThreadCustomEditorsShape { private readonly _proxyCustomEditors: extHostProtocol.ExtHostCustomEditorsShape; @@ -58,6 +82,7 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc private readonly _editorProviders = this._register(new DisposableMap()); private readonly _editorRenameBackups = new Map(); + private readonly _pendingSideBySideDiffResolutions = new Map(); private readonly _webviewOriginStore: ExtensionKeyedWebviewOriginStore; @@ -98,7 +123,7 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc // This reviver's only job is to activate custom editor extensions. this._register(_webviewWorkbenchService.registerResolver({ canResolve: (webview: WebviewInput) => { - if (webview instanceof CustomEditorInput) { + if (webview instanceof CustomEditorInput || webview instanceof CustomEditorDiffInput || webview instanceof CustomEditorSideBySideDiffInput) { extensionService.activateByEvent(`onCustomEditor:${webview.viewType}`); } return false; @@ -110,12 +135,28 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc this._register(workingCopyFileService.onWillRunWorkingCopyFileOperation(async e => this.onWillRunWorkingCopyFileOperation(e))); } - public $registerTextEditorProvider(extensionData: extHostProtocol.WebviewExtensionDescription, viewType: string, options: extHostProtocol.IWebviewPanelOptions, capabilities: extHostProtocol.CustomTextEditorCapabilities, serializeBuffersForPostMessage: boolean): void { - this.registerEditorProvider(CustomEditorModelType.Text, reviveWebviewExtension(extensionData), viewType, options, capabilities, true, serializeBuffersForPostMessage); + public $registerTextEditorProvider(extensionData: extHostProtocol.WebviewExtensionDescription, viewType: string, options: extHostProtocol.IWebviewPanelOptions, capabilities: extHostProtocol.CustomEditorProviderCapabilities, serializeBuffersForPostMessage: boolean): void { + this.registerEditorProvider( + CustomEditorModelType.Text, + reviveWebviewExtension(extensionData), + viewType, + options, + capabilities, + true, + serializeBuffersForPostMessage + ); } - public $registerCustomEditorProvider(extensionData: extHostProtocol.WebviewExtensionDescription, viewType: string, options: extHostProtocol.IWebviewPanelOptions, supportsMultipleEditorsPerDocument: boolean, serializeBuffersForPostMessage: boolean): void { - this.registerEditorProvider(CustomEditorModelType.Custom, reviveWebviewExtension(extensionData), viewType, options, {}, supportsMultipleEditorsPerDocument, serializeBuffersForPostMessage); + public $registerCustomEditorProvider(extensionData: extHostProtocol.WebviewExtensionDescription, viewType: string, options: extHostProtocol.IWebviewPanelOptions, capabilities: extHostProtocol.CustomEditorProviderCapabilities, supportsMultipleEditorsPerDocument: boolean, serializeBuffersForPostMessage: boolean): void { + this.registerEditorProvider( + CustomEditorModelType.Custom, + reviveWebviewExtension(extensionData), + viewType, + options, + capabilities, + supportsMultipleEditorsPerDocument, + serializeBuffersForPostMessage + ); } private registerEditorProvider( @@ -123,7 +164,7 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc extension: WebviewExtensionDescription, viewType: string, options: extHostProtocol.IWebviewPanelOptions, - capabilities: extHostProtocol.CustomTextEditorCapabilities, + capabilities: extHostProtocol.CustomEditorProviderCapabilities, supportsMultipleEditorsPerDocument: boolean, serializeBuffersForPostMessage: boolean, ): void { @@ -134,16 +175,22 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc const disposables = new DisposableStore(); disposables.add(this._customEditorService.registerCustomEditorCapabilities(viewType, { - supportsMultipleEditorsPerDocument + supportsMultipleEditorsPerDocument, + isTextEditor: modelType === CustomEditorModelType.Text, + supportsInlineDiff: capabilities.supportsInlineDiff, + supportsSideBySideDiff: capabilities.supportsSideBySideDiff, })); disposables.add(this._webviewWorkbenchService.registerResolver({ canResolve: (webviewInput) => { - return webviewInput instanceof CustomEditorInput && webviewInput.viewType === viewType; + return (webviewInput instanceof CustomEditorInput || webviewInput instanceof CustomEditorDiffInput || webviewInput instanceof CustomEditorSideBySideDiffInput) && webviewInput.viewType === viewType; }, - resolveWebview: async (webviewInput: CustomEditorInput, cancellation: CancellationToken) => { + resolveWebview: async (webviewInput: WebviewInput, cancellation: CancellationToken) => { + if (!(webviewInput instanceof CustomEditorInput || webviewInput instanceof CustomEditorDiffInput || webviewInput instanceof CustomEditorSideBySideDiffInput)) { + return; + } + const handle = generateUuid(); - const resource = webviewInput.resource; webviewInput.webview.origin = this._webviewOriginStore.getOrigin(viewType, extension.id); @@ -151,45 +198,73 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc webviewInput.webview.options = options; webviewInput.webview.extension = extension; + const resource = webviewInput instanceof CustomEditorDiffInput ? webviewInput.modifiedResource : webviewInput.resource; + // If there's an old resource this was a move and we must resolve the backup at the same time as the webview // This is because the backup must be ready upon model creation, and the input resolve method comes after - let backupId = webviewInput.backupId; - if (webviewInput.oldResource && !webviewInput.backupId) { - const backup = this._editorRenameBackups.get(webviewInput.oldResource.toString()); - backupId = backup?.backupId; - this._editorRenameBackups.delete(webviewInput.oldResource.toString()); + let backupId: string | undefined; + if (webviewInput instanceof CustomEditorInput) { + backupId = webviewInput.backupId; + if (webviewInput.oldResource && !webviewInput.backupId) { + const backup = this._editorRenameBackups.get(webviewInput.oldResource.toString()); + backupId = backup?.backupId; + this._editorRenameBackups.delete(webviewInput.oldResource.toString()); + } } - let modelRef: IReference; + let modelRef: IReference | undefined; + const additionalModelRefs = new DisposableStore(); try { modelRef = await this.getOrCreateCustomEditorModel(modelType, resource, viewType, { backupId }, cancellation); + if (webviewInput instanceof CustomEditorDiffInput && !isEqual(webviewInput.originalResource, resource)) { + additionalModelRefs.add(await this.getOrCreateCustomEditorModel(modelType, webviewInput.originalResource, viewType, {}, cancellation)); + } else if (modelType === CustomEditorModelType.Text && webviewInput instanceof CustomEditorSideBySideDiffInput) { + const otherResource = webviewInput.side === 'original' ? webviewInput.modifiedResource : webviewInput.originalResource; + if (!isEqual(otherResource, resource)) { + additionalModelRefs.add(await this.getOrCreateCustomEditorModel(modelType, otherResource, viewType, {}, cancellation)); + } + } } catch (error) { onUnexpectedError(error); webviewInput.webview.setHtml(this.mainThreadWebview.getWebviewResolvedFailedContent(viewType)); + additionalModelRefs.dispose(); + modelRef?.dispose(); + return; + } + + if (!modelRef) { + additionalModelRefs.dispose(); return; } + let resolvedModelRef = modelRef; if (cancellation.isCancellationRequested) { - modelRef.dispose(); + additionalModelRefs.dispose(); + resolvedModelRef.dispose(); return; } - const disposeSub = webviewInput.webview.onDidDispose(() => { - disposeSub.dispose(); - inputDisposeSub.dispose(); + const disposeModelRefs = () => { + additionalModelRefs.dispose(); // If the model is still dirty, make sure we have time to save it - if (modelRef.object.isDirty()) { - const sub = modelRef.object.onDidChangeDirty(() => { - if (!modelRef.object.isDirty()) { + if (resolvedModelRef.object.isDirty()) { + const sub = resolvedModelRef.object.onDidChangeDirty(() => { + if (!resolvedModelRef.object.isDirty()) { sub.dispose(); - modelRef.dispose(); + resolvedModelRef.dispose(); } }); return; } - modelRef.dispose(); + resolvedModelRef.dispose(); + }; + + const disposeSub = webviewInput.webview.onDidDispose(() => { + disposeSub.dispose(); + inputDisposeSub.dispose(); + disposeModelRefs(); }); // Also listen for when the input is disposed (e.g., during SaveAs when the webview is transferred to a new editor). @@ -197,30 +272,50 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc const inputDisposeSub = webviewInput.onWillDispose(() => { inputDisposeSub.dispose(); disposeSub.dispose(); - modelRef.dispose(); + disposeModelRefs(); }); - if (capabilities.supportsMove) { + if (webviewInput instanceof CustomEditorInput && capabilities.supportsMove) { webviewInput.onMove(async (newResource: URI) => { - const oldModel = modelRef; - modelRef = await this.getOrCreateCustomEditorModel(modelType, newResource, viewType, {}, CancellationToken.None); + const oldModel = resolvedModelRef; + resolvedModelRef = await this.getOrCreateCustomEditorModel(modelType, newResource, viewType, {}, CancellationToken.None); this._proxyCustomEditors.$onMoveCustomEditor(handle, newResource, viewType); oldModel.dispose(); }); } try { - const actualResource = modelType === CustomEditorModelType.Text ? this._uriIdentityService.asCanonicalUri(resource) : resource; - await this._proxyCustomEditors.$resolveCustomEditor(actualResource, handle, viewType, { + const initData = { title: webviewInput.getTitle(), contentOptions: webviewInput.webview.contentOptions, options: webviewInput.webview.options, active: webviewInput === this._editorService.activeEditor, - }, editorGroupToColumn(this._editorGroupService, webviewInput.group || 0), cancellation); + }; + const position = editorGroupToColumn(this._editorGroupService, webviewInput.group || 0); + + if (webviewInput instanceof CustomEditorDiffInput) { + const originalResource = modelType === CustomEditorModelType.Text ? this._uriIdentityService.asCanonicalUri(webviewInput.originalResource) : webviewInput.originalResource; + const modifiedResource = modelType === CustomEditorModelType.Text ? this._uriIdentityService.asCanonicalUri(webviewInput.modifiedResource) : webviewInput.modifiedResource; + await this._proxyCustomEditors.$resolveCustomEditorInlineDiff( + originalResource, + modifiedResource, + handle, + viewType, + initData, + position, + cancellation + ); + } else if (webviewInput instanceof CustomEditorSideBySideDiffInput) { + await this.resolveCustomEditorSideBySideDiff(modelType, webviewInput, handle, viewType, initData, position, cancellation); + } else { + const actualResource = modelType === CustomEditorModelType.Text ? this._uriIdentityService.asCanonicalUri(resource) : resource; + await this._proxyCustomEditors.$resolveCustomEditor(actualResource, handle, viewType, initData, position, cancellation); + } } catch (error) { onUnexpectedError(error); webviewInput.webview.setHtml(this.mainThreadWebview.getWebviewResolvedFailedContent(viewType)); - modelRef.dispose(); + additionalModelRefs.dispose(); + resolvedModelRef.dispose(); return; } } @@ -229,6 +324,71 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc this._editorProviders.set(viewType, disposables); } + private resolveCustomEditorSideBySideDiff( + modelType: CustomEditorModelType, + webviewInput: CustomEditorSideBySideDiffInput, + handle: extHostProtocol.WebviewHandle, + viewType: string, + initData: CustomEditorDiffInitData, + position: EditorGroupColumn, + cancellation: CancellationToken, + ): Promise { + let pending = this._pendingSideBySideDiffResolutions.get(webviewInput.diffId); + if (!pending) { + pending = { + promise: new DeferredPromise(), + cancellation: new CancellationTokenSource(), + disposables: new DisposableStore(), + }; + this._pendingSideBySideDiffResolutions.set(webviewInput.diffId, pending); + } + + const cleanup = () => { + this._pendingSideBySideDiffResolutions.delete(webviewInput.diffId); + pending.disposables.dispose(); + pending.cancellation.dispose(); + }; + + pending.disposables.add(cancellation.onCancellationRequested(() => { + pending.cancellation.cancel(); + if (!pending.started) { + pending.promise.cancel(); + cleanup(); + } + })); + + pending[webviewInput.side] = { handle, initData }; + + if (pending.original && pending.modified && !pending.started) { + pending.started = true; + pending.promise.settleWith((async () => { + try { + const originalResource = modelType === CustomEditorModelType.Text ? this._uriIdentityService.asCanonicalUri(webviewInput.originalResource) : webviewInput.originalResource; + const modifiedResource = modelType === CustomEditorModelType.Text ? this._uriIdentityService.asCanonicalUri(webviewInput.modifiedResource) : webviewInput.modifiedResource; + await this._proxyCustomEditors.$resolveCustomEditorSideBySideDiff( + originalResource, + modifiedResource, + { + original: pending.original!.handle, + modified: pending.modified!.handle, + }, + viewType, + { + original: pending.original!.initData, + modified: pending.modified!.initData, + }, + position, + pending.cancellation.token + ); + } finally { + cleanup(); + } + })()); + } + + return pending.promise.p; + } + public $unregisterEditorProvider(viewType: string): void { if (!this._editorProviders.has(viewType)) { throw new Error(`No provider for ${viewType} registered`); @@ -261,7 +421,10 @@ export class MainThreadCustomEditors extends Disposable implements extHostProtoc { const model = MainThreadCustomEditorModel.create(this._instantiationService, this._proxyCustomEditors, viewType, resource, options, () => { return Array.from(this.mainThreadWebviewPanels.webviewInputs) - .filter(editor => editor instanceof CustomEditorInput && isEqual(editor.resource, resource)) as CustomEditorInput[]; + .filter(editor => + (editor instanceof CustomEditorInput && isEqual(editor.resource, resource)) + || (editor instanceof CustomEditorDiffInput && (isEqual(editor.originalResource, resource) || isEqual(editor.modifiedResource, resource))) + || (editor instanceof CustomEditorSideBySideDiffInput && isEqual(editor.resource, resource))) as CustomEditorWebviewInput[]; }, cancellation); return this._customEditorService.models.add(resource, viewType, model); } @@ -366,13 +529,14 @@ class MainThreadCustomEditorModel extends ResourceWorkingCopy implements ICustom viewType: string, resource: URI, options: { backupId?: string }, - getEditors: () => CustomEditorInput[], + getEditors: () => CustomEditorWebviewInput[], cancellation: CancellationToken, ): Promise { const editors = getEditors(); let untitledDocumentData: VSBuffer | undefined; - if (editors.length !== 0) { - untitledDocumentData = editors[0].untitledDocumentData; + const primaryCustomEditorInput = editors.find(editor => editor instanceof CustomEditorInput); + if (primaryCustomEditorInput) { + untitledDocumentData = primaryCustomEditorInput.untitledDocumentData; } const { editable } = await proxy.$createCustomDocument(resource, viewType, options.backupId, untitledDocumentData, cancellation); return instantiationService.createInstance(MainThreadCustomEditorModel, proxy, viewType, resource, !!options.backupId, editable, !!untitledDocumentData, getEditors); @@ -385,7 +549,7 @@ class MainThreadCustomEditorModel extends ResourceWorkingCopy implements ICustom fromBackup: boolean, private readonly _editable: boolean, startDirty: boolean, - private readonly _getEditors: () => CustomEditorInput[], + private readonly _getEditors: () => CustomEditorWebviewInput[], @IFileDialogService private readonly _fileDialogService: IFileDialogService, @IFileService fileService: IFileService, @ILabelService private readonly _labelService: ILabelService, diff --git a/src/vs/workbench/api/common/extHost.protocol.ts b/src/vs/workbench/api/common/extHost.protocol.ts index 8d7bbef25c08ae..a38699caac3292 100644 --- a/src/vs/workbench/api/common/extHost.protocol.ts +++ b/src/vs/workbench/api/common/extHost.protocol.ts @@ -1020,8 +1020,27 @@ export interface IWebviewPanelOptions { readonly retainContextWhenHidden?: boolean; } -export interface CustomTextEditorCapabilities { +export interface CustomEditorProviderCapabilities { readonly supportsMove?: boolean; + readonly supportsInlineDiff?: boolean; + readonly supportsSideBySideDiff?: boolean; +} + +export interface CustomEditorDiffInitData { + readonly title: string; + readonly contentOptions: IWebviewContentOptions; + readonly options: IWebviewPanelOptions; + readonly active: boolean; +} + +export interface CustomEditorSideBySideDiffWebviewHandles { + readonly original: WebviewHandle; + readonly modified: WebviewHandle; +} + +export interface CustomEditorSideBySideDiffInitData { + readonly original: CustomEditorDiffInitData; + readonly modified: CustomEditorDiffInitData; } export const enum WebviewMessageArrayBufferViewType { @@ -1089,8 +1108,8 @@ export interface MainThreadWebviewPanelsShape extends IDisposable { } export interface MainThreadCustomEditorsShape extends IDisposable { - $registerTextEditorProvider(extension: WebviewExtensionDescription, viewType: string, options: IWebviewPanelOptions, capabilities: CustomTextEditorCapabilities, serializeBuffersForPostMessage: boolean): void; - $registerCustomEditorProvider(extension: WebviewExtensionDescription, viewType: string, options: IWebviewPanelOptions, supportsMultipleEditorsPerDocument: boolean, serializeBuffersForPostMessage: boolean): void; + $registerTextEditorProvider(extension: WebviewExtensionDescription, viewType: string, options: IWebviewPanelOptions, capabilities: CustomEditorProviderCapabilities, serializeBuffersForPostMessage: boolean): void; + $registerCustomEditorProvider(extension: WebviewExtensionDescription, viewType: string, options: IWebviewPanelOptions, capabilities: CustomEditorProviderCapabilities, supportsMultipleEditorsPerDocument: boolean, serializeBuffersForPostMessage: boolean): void; $unregisterEditorProvider(viewType: string): void; $onDidEdit(resource: UriComponents, viewType: string, editId: number, label: string | undefined): void; @@ -1152,6 +1171,24 @@ export interface ExtHostCustomEditorsShape { position: EditorGroupColumn, cancellation: CancellationToken ): Promise; + $resolveCustomEditorInlineDiff( + originalResource: UriComponents, + modifiedResource: UriComponents, + newWebviewHandle: WebviewHandle, + viewType: string, + initData: CustomEditorDiffInitData, + position: EditorGroupColumn, + cancellation: CancellationToken + ): Promise; + $resolveCustomEditorSideBySideDiff( + originalResource: UriComponents, + modifiedResource: UriComponents, + webviewHandles: CustomEditorSideBySideDiffWebviewHandles, + viewType: string, + initData: CustomEditorSideBySideDiffInitData, + position: EditorGroupColumn, + cancellation: CancellationToken + ): Promise; $createCustomDocument(resource: UriComponents, viewType: string, backupId: string | undefined, untitledDocumentData: VSBuffer | undefined, cancellation: CancellationToken): Promise<{ editable: boolean }>; $disposeCustomDocument(resource: UriComponents, viewType: string): Promise; diff --git a/src/vs/workbench/api/common/extHostCustomEditors.ts b/src/vs/workbench/api/common/extHostCustomEditors.ts index e7ad5eb4e99e64..0fb101245645a9 100644 --- a/src/vs/workbench/api/common/extHostCustomEditors.ts +++ b/src/vs/workbench/api/common/extHostCustomEditors.ts @@ -21,6 +21,7 @@ import type * as vscode from 'vscode'; import { Cache } from './cache.js'; import * as extHostProtocol from './extHost.protocol.js'; import * as extHostTypes from './extHostTypes.js'; +import { isProposedApiEnabled } from '../../services/extensions/common/extensions.js'; class CustomDocumentStoreEntry { @@ -184,9 +185,12 @@ export class ExtHostCustomEditors implements extHostProtocol.ExtHostCustomEditor disposables.add(this._editorProviders.addTextProvider(viewType, extension, provider)); this._proxy.$registerTextEditorProvider(toExtensionData(extension), viewType, options.webviewOptions || {}, { supportsMove: !!provider.moveCustomTextEditor, + supportsInlineDiff: isProposedApiEnabled(extension, 'customEditorDiffs') && isCustomTextEditorProviderWithInlineDiffCapability(provider), + supportsSideBySideDiff: isProposedApiEnabled(extension, 'customEditorDiffs') && isCustomTextEditorProviderWithSideBySideDiffCapability(provider), }, shouldSerializeBuffersForPostMessage(extension)); } else { disposables.add(this._editorProviders.addCustomProvider(viewType, extension, provider)); + const supportsCustomEditorDiffs = isProposedApiEnabled(extension, 'customEditorDiffs'); if (isCustomEditorProviderWithEditingCapability(provider)) { disposables.add(provider.onDidChangeCustomDocument(e => { @@ -200,7 +204,10 @@ export class ExtHostCustomEditors implements extHostProtocol.ExtHostCustomEditor })); } - this._proxy.$registerCustomEditorProvider(toExtensionData(extension), viewType, options.webviewOptions || {}, !!options.supportsMultipleEditorsPerDocument, shouldSerializeBuffersForPostMessage(extension)); + this._proxy.$registerCustomEditorProvider(toExtensionData(extension), viewType, options.webviewOptions || {}, { + supportsInlineDiff: supportsCustomEditorDiffs && isCustomEditorProviderWithInlineDiffCapability(provider), + supportsSideBySideDiff: supportsCustomEditorDiffs && isCustomEditorProviderWithSideBySideDiffCapability(provider), + }, !!options.supportsMultipleEditorsPerDocument, shouldSerializeBuffersForPostMessage(extension)); } return extHostTypes.Disposable.from( @@ -295,6 +302,89 @@ export class ExtHostCustomEditors implements extHostProtocol.ExtHostCustomEditor } } + async $resolveCustomEditorInlineDiff( + originalResource: UriComponents, + modifiedResource: UriComponents, + handle: extHostProtocol.WebviewHandle, + viewType: string, + initData: extHostProtocol.CustomEditorDiffInitData, + position: EditorGroupColumn, + cancellation: CancellationToken, + ): Promise { + const { entry, panel } = this.createCustomEditorDiffPanel(handle, viewType, initData, position); + const revivedOriginalResource = URI.revive(originalResource); + const revivedModifiedResource = URI.revive(modifiedResource); + + if (entry.type === CustomEditorType.Text) { + if (!isCustomTextEditorProviderWithInlineDiffCapability(entry.provider)) { + throw new Error(`Provider for '${viewType}' does not support inline custom text editor diffs`); + } + + const originalDocument = this._extHostDocuments.getDocument(revivedOriginalResource); + const modifiedDocument = this._extHostDocuments.getDocument(revivedModifiedResource); + return entry.provider.resolveCustomTextEditorInlineDiff({ original: originalDocument, modified: modifiedDocument }, panel, cancellation); + } + + if (!isCustomEditorProviderWithInlineDiffCapability(entry.provider)) { + throw new Error(`Provider for '${viewType}' does not support inline custom editor diffs`); + } + + const { document: originalDocument } = this.getCustomDocumentEntry(viewType, revivedOriginalResource); + const { document: modifiedDocument } = this.getCustomDocumentEntry(viewType, revivedModifiedResource); + return entry.provider.resolveCustomEditorInlineDiff({ original: originalDocument, modified: modifiedDocument }, panel, cancellation); + } + + async $resolveCustomEditorSideBySideDiff( + originalResource: UriComponents, + modifiedResource: UriComponents, + webviewHandles: extHostProtocol.CustomEditorSideBySideDiffWebviewHandles, + viewType: string, + initData: extHostProtocol.CustomEditorSideBySideDiffInitData, + position: EditorGroupColumn, + cancellation: CancellationToken, + ): Promise { + const { entry, panel: originalPanel } = this.createCustomEditorDiffPanel(webviewHandles.original, viewType, initData.original, position); + const { panel: modifiedPanel } = this.createCustomEditorDiffPanel(webviewHandles.modified, viewType, initData.modified, position); + const revivedOriginalResource = URI.revive(originalResource); + const revivedModifiedResource = URI.revive(modifiedResource); + + if (entry.type === CustomEditorType.Text) { + if (!isCustomTextEditorProviderWithSideBySideDiffCapability(entry.provider)) { + throw new Error(`Provider for '${viewType}' does not support side by side custom text editor diffs`); + } + + const originalDocument = this._extHostDocuments.getDocument(revivedOriginalResource); + const modifiedDocument = this._extHostDocuments.getDocument(revivedModifiedResource); + return entry.provider.resolveCustomTextEditorSideBySideDiff({ original: originalDocument, modified: modifiedDocument }, { original: originalPanel, modified: modifiedPanel }, cancellation); + } + + if (!isCustomEditorProviderWithSideBySideDiffCapability(entry.provider)) { + throw new Error(`Provider for '${viewType}' does not support side by side custom editor diffs`); + } + + const { document: originalDocument } = this.getCustomDocumentEntry(viewType, revivedOriginalResource); + const { document: modifiedDocument } = this.getCustomDocumentEntry(viewType, revivedModifiedResource); + return entry.provider.resolveCustomEditorSideBySideDiff({ original: originalDocument, modified: modifiedDocument }, { original: originalPanel, modified: modifiedPanel }, cancellation); + } + + private createCustomEditorDiffPanel( + handle: extHostProtocol.WebviewHandle, + viewType: string, + initData: extHostProtocol.CustomEditorDiffInitData, + position: EditorGroupColumn, + ): { entry: ProviderEntry; panel: vscode.WebviewPanel } { + const entry = this._editorProviders.get(viewType); + if (!entry) { + throw new Error(`No provider found for '${viewType}'`); + } + + const viewColumn = typeConverters.ViewColumn.to(position); + const webview = this._extHostWebview.createNewWebview(handle, initData.contentOptions, entry.extension); + this._extHostWebview.ensureDefaultContentOptions(handle, initData.contentOptions, entry.extension); + const panel = this._extHostWebviewPanels.createNewWebviewPanel(handle, viewType, initData.title, viewColumn, initData.options, webview, initData.active); + return { entry, panel }; + } + $disposeEdits(resourceComponents: UriComponents, viewType: string, editIds: number[]): void { const document = this.getCustomDocumentEntry(viewType, resourceComponents); document.disposeEdits(editIds); @@ -387,6 +477,22 @@ function isCustomTextEditorProvider(provider: vscode.CustomReadonlyEditorProvide return typeof (provider as vscode.CustomTextEditorProvider).resolveCustomTextEditor === 'function'; } +function isCustomTextEditorProviderWithInlineDiffCapability(provider: vscode.CustomTextEditorProvider): provider is vscode.CustomTextEditorProvider & Required> { + return typeof provider.resolveCustomTextEditorInlineDiff === 'function'; +} + +function isCustomTextEditorProviderWithSideBySideDiffCapability(provider: vscode.CustomTextEditorProvider): provider is vscode.CustomTextEditorProvider & Required> { + return typeof provider.resolveCustomTextEditorSideBySideDiff === 'function'; +} + +function isCustomEditorProviderWithInlineDiffCapability(provider: vscode.CustomReadonlyEditorProvider): provider is vscode.CustomReadonlyEditorProvider & Required> { + return typeof provider.resolveCustomEditorInlineDiff === 'function'; +} + +function isCustomEditorProviderWithSideBySideDiffCapability(provider: vscode.CustomReadonlyEditorProvider): provider is vscode.CustomReadonlyEditorProvider & Required> { + return typeof provider.resolveCustomEditorSideBySideDiff === 'function'; +} + function isEditEvent(e: vscode.CustomDocumentContentChangeEvent | vscode.CustomDocumentEditEvent): e is vscode.CustomDocumentEditEvent { return typeof (e as vscode.CustomDocumentEditEvent).undo === 'function' && typeof (e as vscode.CustomDocumentEditEvent).redo === 'function'; diff --git a/src/vs/workbench/browser/parts/editor/diffEditorCommands.ts b/src/vs/workbench/browser/parts/editor/diffEditorCommands.ts index 5c28b20e3956d9..1133dd6b624519 100644 --- a/src/vs/workbench/browser/parts/editor/diffEditorCommands.ts +++ b/src/vs/workbench/browser/parts/editor/diffEditorCommands.ts @@ -13,10 +13,10 @@ import { ContextKeyExpr } from '../../../../platform/contextkey/common/contextke import { ServicesAccessor } from '../../../../platform/instantiation/common/instantiation.js'; import { KeybindingsRegistry, KeybindingWeight } from '../../../../platform/keybinding/common/keybindingsRegistry.js'; import { TextDiffEditor } from './textDiffEditor.js'; -import { ActiveCompareEditorCanSwapContext, TextCompareEditorActiveContext, TextCompareEditorVisibleContext } from '../../../common/contextkeys.js'; +import { ActiveCompareEditorCanSwapContext, ActiveCustomEditorDiffCanToggleLayoutContext, TextCompareEditorActiveContext, TextCompareEditorVisibleContext } from '../../../common/contextkeys.js'; import { DiffEditorInput } from '../../../common/editor/diffEditorInput.js'; import { IEditorService } from '../../../services/editor/common/editorService.js'; -import { IUntypedEditorInput } from '../../../common/editor.js'; +import { IUntypedEditorInput, isDiffEditorInput } from '../../../common/editor.js'; import { EditorContextKeys } from '../../../../editor/common/editorContextKeys.js'; import { isDiffEditor } from '../../../../editor/browser/editorBrowser.js'; import { EditorInput } from '../../../common/editor/editorInput.js'; @@ -109,6 +109,24 @@ export function registerDiffEditorCommands(): void { return undefined; } + function getActiveDiffModifiedResource(accessor: ServicesAccessor, args: unknown[]): URI | undefined { + const activeTextDiffEditor = getActiveTextDiffEditor(accessor, args); + const model = activeTextDiffEditor?.getControl()?.getModifiedEditor()?.getModel(); + if (model) { + return model.uri; + } + + const editorService = accessor.get(IEditorService); + const resource = args.length > 0 && args[0] instanceof URI ? args[0] : undefined; + for (const editor of [editorService.activeEditor, ...editorService.visibleEditors]) { + if (isDiffEditorInput(editor) && editor.modified.resource && (!resource || isEqual(editor.modified.resource, resource))) { + return editor.modified.resource; + } + } + + return undefined; + } + function navigateInDiffEditor(accessor: ServicesAccessor, args: unknown[], next: boolean): void { const activeTextDiffEditor = getActiveTextDiffEditor(accessor, args); @@ -146,14 +164,12 @@ export function registerDiffEditorCommands(): void { function toggleDiffSideBySide(accessor: ServicesAccessor, args: unknown[]): void { const configService = accessor.get(ITextResourceConfigurationService); - const activeTextDiffEditor = getActiveTextDiffEditor(accessor, args); - - const m = activeTextDiffEditor?.getControl()?.getModifiedEditor()?.getModel(); - if (!m) { return; } + const modifiedResource = getActiveDiffModifiedResource(accessor, args); + if (!modifiedResource) { return; } const key = 'diffEditor.renderSideBySide'; - const val = configService.getValue(m.uri, key); - configService.updateValue(m.uri, key, !val); + const val = configService.getValue(modifiedResource, key); + configService.updateValue(modifiedResource, key, !val); } function toggleDiffIgnoreTrimWhitespace(accessor: ServicesAccessor, args: unknown[]): void { @@ -269,7 +285,7 @@ export function registerDiffEditorCommands(): void { title: localize2('toggleInlineView', "Toggle Inline View"), category: localize('compare', "Compare") }, - when: TextCompareEditorActiveContext + when: ContextKeyExpr.or(TextCompareEditorActiveContext, ActiveCustomEditorDiffCanToggleLayoutContext) }); MenuRegistry.appendMenuItem(MenuId.CommandPalette, { diff --git a/src/vs/workbench/browser/parts/editor/editor.contribution.ts b/src/vs/workbench/browser/parts/editor/editor.contribution.ts index 7d24435fc9ee58..b302484f3786cf 100644 --- a/src/vs/workbench/browser/parts/editor/editor.contribution.ts +++ b/src/vs/workbench/browser/parts/editor/editor.contribution.ts @@ -12,7 +12,7 @@ import { EditorPartMultipleEditorGroupsContext, ActiveEditorDirtyContext, ActiveEditorGroupLockedContext, ActiveEditorCanSplitInGroupContext, SideBySideEditorActiveContext, EditorTabsVisibleContext, ActiveEditorLastInGroupContext, EditorPartMaximizedEditorGroupContext, MultipleEditorGroupsContext, InEditorZenModeContext, IsAuxiliaryWindowContext, ActiveCompareEditorCanSwapContext, MultipleEditorsSelectedInGroupContext, SplitEditorsVertically, - IsSessionsWindowContext + IsSessionsWindowContext, ActiveCustomEditorDiffCanToggleLayoutContext, ActiveCustomEditorTextDiffContext } from '../../../common/contextkeys.js'; import { SideBySideEditorInput, SideBySideEditorInputSerializer } from '../../../common/editor/sideBySideEditorInput.js'; import { TextResourceEditor } from './textResourceEditor.js'; @@ -420,7 +420,7 @@ MenuRegistry.appendMenuItem(MenuId.EditorSplitMoveSubmenu, { command: { id: SPLI MenuRegistry.appendMenuItem(MenuId.EditorSplitMoveSubmenu, { command: { id: JOIN_EDITOR_IN_GROUP, title: localize('joinInGroup', "Join in Group"), precondition: MultipleEditorsSelectedInGroupContext.negate() }, group: '3_split_in_group', order: 10, when: SideBySideEditorActiveContext }); // Editor Title Menu -MenuRegistry.appendMenuItem(MenuId.EditorTitle, { command: { id: TOGGLE_DIFF_SIDE_BY_SIDE, title: localize('inlineView', "Inline View"), toggled: ContextKeyExpr.equals('config.diffEditor.renderSideBySide', false) }, group: '1_diff', order: 10, when: ContextKeyExpr.has('isInDiffEditor') }); +MenuRegistry.appendMenuItem(MenuId.EditorTitle, { command: { id: TOGGLE_DIFF_SIDE_BY_SIDE, title: localize('inlineView', "Inline View"), toggled: ContextKeyExpr.equals('config.diffEditor.renderSideBySide', false) }, group: '1_diff', order: 10, when: ContextKeyExpr.or(ContextKeyExpr.has('isInDiffEditor'), ActiveCustomEditorDiffCanToggleLayoutContext) }); MenuRegistry.appendMenuItem(MenuId.EditorTitle, { command: { id: SHOW_EDITORS_IN_GROUP, title: localize('showOpenedEditors', "Show Opened Editors") }, group: '3_open', order: 10 }); MenuRegistry.appendMenuItem(MenuId.EditorTitle, { command: { id: CLOSE_EDITORS_IN_GROUP_COMMAND_ID, title: localize('closeAll', "Close All") }, group: '5_close', order: 10 }); MenuRegistry.appendMenuItem(MenuId.EditorTitle, { command: { id: CLOSE_SAVED_EDITORS_COMMAND_ID, title: localize('closeAllSaved', "Close Saved") }, group: '5_close', order: 20 }); @@ -638,6 +638,19 @@ appendEditorToolItem( undefined ); +// Custom Text Diff Editor Title Menu: Reopen as Text +appendEditorToolItem( + { + id: ReOpenInTextEditorAction.ID, + title: localize('reopenAsText', "Reopen as Text"), + icon: Codicon.fileCode + }, + ActiveCustomEditorTextDiffContext, + 16, + undefined, + undefined +); + const toggleWhitespace = registerIcon('diff-editor-toggle-whitespace', Codicon.whitespace, localize('toggleWhitespace', 'Icon for the toggle whitespace action in the diff editor.')); MenuRegistry.appendMenuItem(MenuId.EditorTitle, { command: { diff --git a/src/vs/workbench/browser/parts/editor/editorActions.ts b/src/vs/workbench/browser/parts/editor/editorActions.ts index 43d92174c72c2a..d02d8fb7b125df 100644 --- a/src/vs/workbench/browser/parts/editor/editorActions.ts +++ b/src/vs/workbench/browser/parts/editor/editorActions.ts @@ -5,7 +5,7 @@ import { localize, localize2 } from '../../../../nls.js'; import { Action } from '../../../../base/common/actions.js'; -import { IEditorIdentifier, IEditorCommandsContext, CloseDirection, SaveReason, EditorsOrder, EditorInputCapabilities, DEFAULT_EDITOR_ASSOCIATION, GroupIdentifier, EditorResourceAccessor } from '../../../common/editor.js'; +import { IEditorIdentifier, IEditorCommandsContext, CloseDirection, SaveReason, EditorsOrder, EditorInputCapabilities, DEFAULT_EDITOR_ASSOCIATION, GroupIdentifier, EditorResourceAccessor, isDiffEditorInput, isResourceDiffEditorInput } from '../../../common/editor.js'; import { EditorInput } from '../../../common/editor/editorInput.js'; import { SideBySideEditorInput } from '../../../common/editor/sideBySideEditorInput.js'; import { IWorkbenchLayoutService, Parts } from '../../../services/layout/browser/layoutService.js'; @@ -2543,11 +2543,13 @@ export class ToggleEditorTypeAction extends Action2 { } export class ReOpenInTextEditorAction extends Action2 { + static readonly ID = 'workbench.action.reopenTextEditor'; + static readonly TITLE = localize2('reopenTextEditor', 'Reopen Editor with Text Editor'); constructor() { super({ - id: 'workbench.action.reopenTextEditor', - title: localize2('reopenTextEditor', 'Reopen Editor with Text Editor'), + id: ReOpenInTextEditorAction.ID, + title: ReOpenInTextEditorAction.TITLE, f1: true, category: Categories.View, precondition: ActiveEditorAvailableEditorIdsContext @@ -2562,6 +2564,27 @@ export class ReOpenInTextEditorAction extends Action2 { return; } + if (isDiffEditorInput(activeEditorPane.input)) { + const untypedEditor = activeEditorPane.input.toUntyped(); + if (!isResourceDiffEditorInput(untypedEditor)) { + return; + } + + await editorService.replaceEditors([ + { + editor: activeEditorPane.input, + replacement: { + ...untypedEditor, + options: { + ...untypedEditor.options, + override: DEFAULT_EDITOR_ASSOCIATION.id + } + } + } + ], activeEditorPane.group); + return; + } + const activeEditorResource = EditorResourceAccessor.getCanonicalUri(activeEditorPane.input); if (!activeEditorResource) { return; diff --git a/src/vs/workbench/browser/parts/editor/editorConfiguration.ts b/src/vs/workbench/browser/parts/editor/editorConfiguration.ts index 20a5b9d355a728..ff910dbaf0b88d 100644 --- a/src/vs/workbench/browser/parts/editor/editorConfiguration.ts +++ b/src/vs/workbench/browser/parts/editor/editorConfiguration.ts @@ -9,7 +9,7 @@ import { IWorkbenchContribution } from '../../../common/contributions.js'; import { Disposable } from '../../../../base/common/lifecycle.js'; import { IConfigurationRegistry, Extensions as ConfigurationExtensions, IConfigurationNode, ConfigurationScope } from '../../../../platform/configuration/common/configurationRegistry.js'; import { workbenchConfigurationNodeBase } from '../../../common/configuration.js'; -import { IEditorResolverService, RegisteredEditorInfo, RegisteredEditorPriority } from '../../../services/editor/common/editorResolverService.js'; +import { diffEditorsAssociationsSettingId, editorsAssociationsSettingId, IEditorResolverService, RegisteredEditorInfo, RegisteredEditorPriority } from '../../../services/editor/common/editorResolverService.js'; import { IJSONSchemaMap } from '../../../../base/common/jsonSchema.js'; import { IExtensionService } from '../../../services/extensions/common/extensions.js'; import { coalesce } from '../../../../base/common/arrays.js'; @@ -70,6 +70,7 @@ export class DynamicEditorConfigurations extends Disposable implements IWorkbenc private autoLockConfigurationNode: IConfigurationNode | undefined; private defaultBinaryEditorConfigurationNode: IConfigurationNode | undefined; private editorAssociationsConfigurationNode: IConfigurationNode | undefined; + private diffEditorAssociationsConfigurationNode: IConfigurationNode | undefined; private editorLargeFileConfirmationConfigurationNode: IConfigurationNode | undefined; constructor( @@ -152,7 +153,7 @@ export class DynamicEditorConfigurations extends Disposable implements IWorkbenc this.editorAssociationsConfigurationNode = { ...workbenchConfigurationNodeBase, properties: { - 'workbench.editorAssociations': { + [editorsAssociationsSettingId]: { type: 'object', markdownDescription: localize('editor.editorAssociations', "Configure [glob patterns](https://aka.ms/vscode-glob-patterns) to editors (for example `\"*.hex\": \"hexEditor.hexedit\"`). These have precedence over the default behavior."), patternProperties: { @@ -165,6 +166,24 @@ export class DynamicEditorConfigurations extends Disposable implements IWorkbenc } }; + // Registers setting for diffEditorAssociations + const oldDiffEditorAssociationsConfigurationNode = this.diffEditorAssociationsConfigurationNode; + this.diffEditorAssociationsConfigurationNode = { + ...workbenchConfigurationNodeBase, + properties: { + [diffEditorsAssociationsSettingId]: { + type: 'object', + markdownDescription: localize('editor.diffEditorAssociations', "Configure [glob patterns](https://aka.ms/vscode-glob-patterns) to editors for diff views (for example `\"*.md\": \"vscode.markdown.preview.editor\"`). These override `workbench.editorAssociations` for diffs."), + patternProperties: { + '.*': { + type: 'string', + enum: binaryEditorCandidates, + } + } + } + } + }; + // Registers setting for large file confirmation based on environment const oldEditorLargeFileConfirmationConfigurationNode = this.editorLargeFileConfirmationConfigurationNode; this.editorLargeFileConfirmationConfigurationNode = { @@ -185,12 +204,14 @@ export class DynamicEditorConfigurations extends Disposable implements IWorkbenc this.autoLockConfigurationNode, this.defaultBinaryEditorConfigurationNode, this.editorAssociationsConfigurationNode, + this.diffEditorAssociationsConfigurationNode, this.editorLargeFileConfirmationConfigurationNode ], remove: coalesce([ oldAutoLockConfigurationNode, oldDefaultBinaryEditorConfigurationNode, oldEditorAssociationsConfigurationNode, + oldDiffEditorAssociationsConfigurationNode, oldEditorLargeFileConfirmationConfigurationNode ]) }); diff --git a/src/vs/workbench/common/contextkeys.ts b/src/vs/workbench/common/contextkeys.ts index 73e207b85d3c75..00f76894e85e8c 100644 --- a/src/vs/workbench/common/contextkeys.ts +++ b/src/vs/workbench/common/contextkeys.ts @@ -14,8 +14,7 @@ import { IModelService } from '../../editor/common/services/model.js'; import { Schemas } from '../../base/common/network.js'; import { EditorInput } from './editor/editorInput.js'; import { IEditorResolverService } from '../services/editor/common/editorResolverService.js'; -import { DEFAULT_EDITOR_ASSOCIATION } from './editor.js'; -import { DiffEditorInput } from './editor/diffEditorInput.js'; +import { DEFAULT_EDITOR_ASSOCIATION, isDiffEditorInput } from './editor.js'; //#region < --- Workbench --- > @@ -76,6 +75,8 @@ export const ActiveEditorAvailableEditorIdsContext = new RawContextKey(' export const TextCompareEditorVisibleContext = new RawContextKey('textCompareEditorVisible', false, localize('textCompareEditorVisible', "Whether a text compare editor is visible")); export const TextCompareEditorActiveContext = new RawContextKey('textCompareEditorActive', false, localize('textCompareEditorActive', "Whether a text compare editor is active")); export const SideBySideEditorActiveContext = new RawContextKey('sideBySideEditorActive', false, localize('sideBySideEditorActive', "Whether a side by side editor is active")); +export const ActiveCustomEditorDiffCanToggleLayoutContext = new RawContextKey('activeCustomEditorDiffCanToggleLayout', false, localize('activeCustomEditorDiffCanToggleLayout', "Whether the active custom editor diff can toggle between inline and side by side layout")); +export const ActiveCustomEditorTextDiffContext = new RawContextKey('activeCustomEditorTextDiff', false, localize('activeCustomEditorTextDiff', "Whether the active custom editor diff is backed by text documents")); // Editor Group Context Keys export const EditorGroupEditorsCountContext = new RawContextKey('groupEditorsCount', 0, localize('groupEditorsCount', "The number of opened editor groups")); @@ -344,7 +345,7 @@ function getAvailableEditorIds(editor: EditorInput, editorResolverService: IEdit // Diff editors. The original and modified resources of a diff editor // *should* be the same, but calculate the set intersection just to be safe. - if (editor instanceof DiffEditorInput) { + if (isDiffEditorInput(editor)) { const original = getAvailableEditorIds(editor.original, editorResolverService); const modified = new Set(getAvailableEditorIds(editor.modified, editorResolverService)); return original.filter(editor => modified.has(editor)); diff --git a/src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts b/src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts new file mode 100644 index 00000000000000..ff9d5077f072dd --- /dev/null +++ b/src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts @@ -0,0 +1,274 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { isEqual } from '../../../../base/common/resources.js'; +import { URI } from '../../../../base/common/uri.js'; +import { localize } from '../../../../nls.js'; +import { IInstantiationService } from '../../../../platform/instantiation/common/instantiation.js'; +import { IThemeService } from '../../../../platform/theme/common/themeService.js'; +import { EditorInputCapabilities, IDiffEditorInput, IResourceDiffEditorInput, IUntypedEditorInput, isEditorInput, isResourceEditorInput, isResourceDiffEditorInput, Verbosity } from '../../../common/editor.js'; +import { EditorInput, IUntypedEditorOptions } from '../../../common/editor/editorInput.js'; +import { IEditorGroup } from '../../../services/editor/common/editorGroupsService.js'; +import { ITextEditorService } from '../../../services/textfile/common/textEditorService.js'; +import { IOverlayWebview, IWebviewService } from '../../webview/browser/webview.js'; +import { IWebviewWorkbenchService, LazilyResolvedWebviewEditorInput } from '../../webviewPanel/browser/webviewWorkbenchService.js'; +import { WebviewIconPath } from '../../webviewPanel/browser/webviewEditorInput.js'; + +interface CustomEditorDiffInputInitInfo { + readonly originalResource: URI; + readonly modifiedResource: URI; + readonly viewType: string; + readonly label: string | undefined; + readonly description: string | undefined; + readonly iconPath: WebviewIconPath | undefined; +} + +interface CustomEditorSideBySideDiffInputInitInfo extends CustomEditorDiffInputInitInfo { + readonly diffId: string; + readonly side: CustomEditorSideBySideDiffSide; +} + +export type CustomEditorSideBySideDiffSide = 'original' | 'modified'; + +export class CustomEditorDiffInput extends LazilyResolvedWebviewEditorInput implements IDiffEditorInput { + + static create( + instantiationService: IInstantiationService, + init: CustomEditorDiffInputInitInfo, + group: IEditorGroup | undefined, + ): CustomEditorDiffInput { + return instantiationService.invokeFunction(accessor => { + const textEditorService = accessor.get(ITextEditorService); + const original = textEditorService.createTextEditor({ resource: init.originalResource }); + const modified = textEditorService.createTextEditor({ resource: init.modifiedResource }); + const webview = accessor.get(IWebviewService).createWebviewOverlay({ + providedViewType: init.viewType, + title: init.label, + options: {}, + contentOptions: {}, + extension: undefined, + }); + + const input = instantiationService.createInstance(CustomEditorDiffInput, init, original, modified, webview); + if (group) { + input.updateGroup(group.id); + } + + return input; + }); + } + + public static override readonly typeId = 'workbench.editors.customDiffEditor'; + + constructor( + private readonly init: CustomEditorDiffInputInitInfo, + readonly original: EditorInput, + readonly modified: EditorInput, + webview: IOverlayWebview, + @IThemeService themeService: IThemeService, + @IWebviewWorkbenchService webviewWorkbenchService: IWebviewWorkbenchService, + @IInstantiationService private readonly instantiationService: IInstantiationService, + ) { + super({ providedId: init.viewType, viewType: init.viewType, name: init.label ?? '', iconPath: init.iconPath }, webview, themeService, webviewWorkbenchService); + } + + override get typeId(): string { + return CustomEditorDiffInput.typeId; + } + + override get editorId(): string { + return this.viewType; + } + + override get capabilities(): EditorInputCapabilities { + return EditorInputCapabilities.Readonly | EditorInputCapabilities.Singleton | EditorInputCapabilities.CanDropIntoEditor; + } + + override get resource(): URI { + return this.modifiedResource; + } + + get originalResource(): URI { + return this.init.originalResource; + } + + get modifiedResource(): URI { + return this.init.modifiedResource; + } + + override getName(): string { + return this.init.label ?? localize('customEditorDiffLabel', "{0} - {1}", this.original.getName(), this.modified.getName()); + } + + override getDescription(_verbosity?: Verbosity): string | undefined { + return this.init.description ?? super.getDescription(); + } + + override getTitle(verbosity?: Verbosity): string { + const description = this.getDescription(verbosity); + if (description) { + return localize('customEditorDiffTitle', "{0} ({1})", this.getName(), description); + } + + return this.getName(); + } + + override matches(otherInput: EditorInput | IUntypedEditorInput): boolean { + if (this === otherInput) { + return true; + } + + if (otherInput instanceof CustomEditorDiffInput) { + return this.viewType === otherInput.viewType + && isEqual(this.originalResource, otherInput.originalResource) + && isEqual(this.modifiedResource, otherInput.modifiedResource); + } + + if (isEditorInput(otherInput)) { + return false; + } + + if (isResourceDiffEditorInput(otherInput)) { + const override = otherInput.options?.override; + return override === this.viewType + && isEqual(this.originalResource, otherInput.original.resource) + && isEqual(this.modifiedResource, otherInput.modified.resource); + } + + return false; + } + + override copy(): EditorInput { + return CustomEditorDiffInput.create(this.instantiationService, this.init, undefined); + } + + override toUntyped(_options?: IUntypedEditorOptions): IResourceDiffEditorInput { + return { + original: { resource: this.originalResource }, + modified: { resource: this.modifiedResource }, + label: this.init.label, + description: this.init.description, + options: { + override: this.viewType, + } + }; + } +} + +export class CustomEditorSideBySideDiffInput extends LazilyResolvedWebviewEditorInput { + + static create( + instantiationService: IInstantiationService, + init: CustomEditorSideBySideDiffInputInitInfo, + group: IEditorGroup | undefined, + ): CustomEditorSideBySideDiffInput { + return instantiationService.invokeFunction(accessor => { + const textEditorService = accessor.get(ITextEditorService); + const sideInput = textEditorService.createTextEditor({ resource: init.side === 'original' ? init.originalResource : init.modifiedResource }); + const webview = accessor.get(IWebviewService).createWebviewOverlay({ + providedViewType: init.viewType, + title: sideInput.getName(), + options: {}, + contentOptions: {}, + extension: undefined, + }); + + const input = instantiationService.createInstance(CustomEditorSideBySideDiffInput, init, sideInput, webview); + if (group) { + input.updateGroup(group.id); + } + + return input; + }); + } + + public static override readonly typeId = 'workbench.editors.customSideBySideDiffEditor'; + + constructor( + private readonly init: CustomEditorSideBySideDiffInputInitInfo, + private readonly sideInput: EditorInput, + webview: IOverlayWebview, + @IThemeService themeService: IThemeService, + @IWebviewWorkbenchService webviewWorkbenchService: IWebviewWorkbenchService, + @IInstantiationService private readonly instantiationService: IInstantiationService, + ) { + super({ providedId: init.viewType, viewType: init.viewType, name: sideInput.getName(), iconPath: init.iconPath }, webview, themeService, webviewWorkbenchService); + } + + override get typeId(): string { + return CustomEditorSideBySideDiffInput.typeId; + } + + override get editorId(): string { + return this.viewType; + } + + override get capabilities(): EditorInputCapabilities { + return EditorInputCapabilities.Readonly | EditorInputCapabilities.Singleton | EditorInputCapabilities.CanDropIntoEditor; + } + + override get resource(): URI { + return this.side === 'original' ? this.originalResource : this.modifiedResource; + } + + get originalResource(): URI { + return this.init.originalResource; + } + + get modifiedResource(): URI { + return this.init.modifiedResource; + } + + get side(): CustomEditorSideBySideDiffSide { + return this.init.side; + } + + get diffId(): string { + return this.init.diffId; + } + + override getName(): string { + return this.sideInput.getName(); + } + + override getDescription(verbosity?: Verbosity): string | undefined { + return this.sideInput.getDescription(verbosity); + } + + override getTitle(verbosity?: Verbosity): string { + return this.sideInput.getTitle(verbosity); + } + + override matches(otherInput: EditorInput | IUntypedEditorInput): boolean { + if (this === otherInput) { + return true; + } + + if (otherInput instanceof CustomEditorSideBySideDiffInput) { + return this.editorId === otherInput.editorId + && this.side === otherInput.side + && isEqual(this.originalResource, otherInput.originalResource) + && isEqual(this.modifiedResource, otherInput.modifiedResource); + } + + if (isEditorInput(otherInput)) { + return false; + } + + if (isResourceEditorInput(otherInput)) { + return isEqual(this.resource, otherInput.resource); + } + + return false; + } + + override copy(): EditorInput { + return CustomEditorSideBySideDiffInput.create(this.instantiationService, this.init, undefined); + } + + override toUntyped(_options?: IUntypedEditorOptions): IUntypedEditorInput { + return { resource: this.resource }; + } +} diff --git a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts index 62b3f0a2305a9e..1aa4a59baae60b 100644 --- a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts +++ b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts @@ -11,7 +11,9 @@ import { Schemas } from '../../../../base/common/network.js'; import { extname, isEqual } from '../../../../base/common/resources.js'; import { assertReturnsDefined } from '../../../../base/common/types.js'; import { URI } from '../../../../base/common/uri.js'; +import { generateUuid } from '../../../../base/common/uuid.js'; import { RedoCommand, UndoCommand } from '../../../../editor/browser/editorExtensions.js'; +import { ITextResourceConfigurationChangeEvent, ITextResourceConfigurationService } from '../../../../editor/common/services/textResourceConfiguration.js'; import { IResourceEditorInput } from '../../../../platform/editor/common/editor.js'; import { FileOperation, IFileService } from '../../../../platform/files/common/files.js'; import { IInstantiationService } from '../../../../platform/instantiation/common/instantiation.js'; @@ -21,14 +23,24 @@ import { IUriIdentityService } from '../../../../platform/uriIdentity/common/uri import { DEFAULT_EDITOR_ASSOCIATION, EditorExtensions, GroupIdentifier, IEditorFactoryRegistry, IResourceDiffEditorInput } from '../../../common/editor.js'; import { DiffEditorInput } from '../../../common/editor/diffEditorInput.js'; import { EditorInput } from '../../../common/editor/editorInput.js'; -import { CONTEXT_ACTIVE_CUSTOM_EDITOR_ID, CONTEXT_FOCUSED_CUSTOM_EDITOR_IS_EDITABLE, CustomEditorCapabilities, CustomEditorInfo, CustomEditorInfoCollection, ICustomEditorModelManager, ICustomEditorService } from '../common/customEditor.js'; +import { ActiveCustomEditorDiffCanToggleLayoutContext, ActiveCustomEditorTextDiffContext } from '../../../common/contextkeys.js'; +import { CONTEXT_ACTIVE_CUSTOM_EDITOR_ID, CONTEXT_FOCUSED_CUSTOM_EDITOR_IS_EDITABLE, CustomEditorCapabilities, CustomEditorDiffEditorLayout, CustomEditorInfo, CustomEditorInfoCollection, ICustomEditorModelManager, ICustomEditorService } from '../common/customEditor.js'; import { CustomEditorModelManager } from '../common/customEditorModelManager.js'; import { IEditorGroup, IEditorGroupContextKeyProvider, IEditorGroupsService } from '../../../services/editor/common/editorGroupsService.js'; import { IEditorResolverService, IEditorType, RegisteredEditorPriority } from '../../../services/editor/common/editorResolverService.js'; -import { IEditorService } from '../../../services/editor/common/editorService.js'; +import { IEditorService, IUntypedEditorReplacement } from '../../../services/editor/common/editorService.js'; +import { IExtensionService } from '../../../services/extensions/common/extensions.js'; import { ContributedCustomEditors } from '../common/contributedCustomEditors.js'; +import { CustomEditorDiffInput, CustomEditorSideBySideDiffInput } from './customEditorDiffInput.js'; import { CustomEditorInput } from './customEditorInput.js'; +interface CustomEditorDiffInputInfo { + readonly viewType: string; + readonly originalResource: URI; + readonly modifiedResource: URI; + readonly layout: CustomEditorDiffEditorLayout; +} + export class CustomEditorService extends Disposable implements ICustomEditorService { _serviceBrand: any; @@ -52,6 +64,8 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ @IInstantiationService private readonly instantiationService: IInstantiationService, @IUriIdentityService private readonly uriIdentityService: IUriIdentityService, @IEditorResolverService private readonly editorResolverService: IEditorResolverService, + @ITextResourceConfigurationService private readonly textResourceConfigurationService: ITextResourceConfigurationService, + @IExtensionService private readonly extensionService: IExtensionService, ) { super(); @@ -81,8 +95,26 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ onDidChange: this.onDidChangeEditorTypes }; + const customEditorDiffCanToggleLayoutContextKeyProvider: IEditorGroupContextKeyProvider = { + contextKey: ActiveCustomEditorDiffCanToggleLayoutContext, + getGroupContextKeyValue: group => this.getActiveCustomEditorDiffCanToggleLayout(group), + onDidChange: this.onDidChangeEditorTypes + }; + + const customEditorTextDiffContextKeyProvider: IEditorGroupContextKeyProvider = { + contextKey: ActiveCustomEditorTextDiffContext, + getGroupContextKeyValue: group => this.getActiveCustomEditorTextDiff(group), + onDidChange: this.onDidChangeEditorTypes + }; + this._register(this.editorGroupService.registerContextKeyProvider(activeCustomEditorContextKeyProvider)); this._register(this.editorGroupService.registerContextKeyProvider(customEditorIsEditableContextKeyProvider)); + this._register(this.editorGroupService.registerContextKeyProvider(customEditorDiffCanToggleLayoutContextKeyProvider)); + this._register(this.editorGroupService.registerContextKeyProvider(customEditorTextDiffContextKeyProvider)); + + this._register(this.textResourceConfigurationService.onDidChangeConfiguration(e => { + void this.updateCustomDiffEditorsForDiffConfigurationChange(e); + })); this._register(fileService.onDidRunOperation(e => { if (e.isOperation(FileOperation.MOVE)) { @@ -143,8 +175,9 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ createUntitledEditorInput: ({ resource }, group) => { return { editor: CustomEditorInput.create(this.instantiationService, { resource: resource ?? URI.from({ scheme: Schemas.untitled, authority: `Untitled-${this._untitledCounter++}` }), viewType: contributedEditor.id, webviewTitle: undefined, iconPath: undefined }, group.id) }; }, - createDiffEditorInput: (diffEditorInput, group) => { - return { editor: this.createDiffEditorInput(diffEditorInput, contributedEditor.id, group) }; + createDiffEditorInput: async (diffEditorInput, group) => { + await this.extensionService.activateByEvent(`onCustomEditor:${contributedEditor.id}`); + return { editor: this.createDiffEditorInput(diffEditorInput, contributedEditor, group) }; }, } )); @@ -154,14 +187,132 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ private createDiffEditorInput( editor: IResourceDiffEditorInput, - editorID: string, - group: IEditorGroup - ): DiffEditorInput { - const modifiedOverride = CustomEditorInput.create(this.instantiationService, { resource: assertReturnsDefined(editor.modified.resource), viewType: editorID, webviewTitle: undefined, iconPath: undefined }, group.id, { customClasses: 'modified' }); - const originalOverride = CustomEditorInput.create(this.instantiationService, { resource: assertReturnsDefined(editor.original.resource), viewType: editorID, webviewTitle: undefined, iconPath: undefined }, group.id, { customClasses: 'original' }); + contributedEditor: CustomEditorInfo, + group: IEditorGroup, + ): EditorInput { + const originalResource = assertReturnsDefined(editor.original.resource); + const modifiedResource = assertReturnsDefined(editor.modified.resource); + const diffEditorLayout = this.getDiffEditorLayout(contributedEditor, modifiedResource); + + if (diffEditorLayout === CustomEditorDiffEditorLayout.Inline) { + return CustomEditorDiffInput.create(this.instantiationService, { + originalResource, + modifiedResource, + viewType: contributedEditor.id, + label: editor.label, + description: editor.description, + iconPath: undefined + }, group); + } + + if (diffEditorLayout === CustomEditorDiffEditorLayout.SideBySide) { + const diffId = generateUuid(); + const originalOverride = CustomEditorSideBySideDiffInput.create(this.instantiationService, { + originalResource, + modifiedResource, + viewType: contributedEditor.id, + diffId, + side: 'original', + label: editor.label, + description: editor.description, + iconPath: undefined + }, group); + const modifiedOverride = CustomEditorSideBySideDiffInput.create(this.instantiationService, { + originalResource, + modifiedResource, + viewType: contributedEditor.id, + diffId, + side: 'modified', + label: editor.label, + description: editor.description, + iconPath: undefined + }, group); + return this.instantiationService.createInstance(DiffEditorInput, editor.label, editor.description, originalOverride, modifiedOverride, true); + } + + const modifiedOverride = CustomEditorInput.create(this.instantiationService, { resource: modifiedResource, viewType: contributedEditor.id, webviewTitle: undefined, iconPath: undefined }, group.id, { customClasses: 'modified' }); + const originalOverride = CustomEditorInput.create(this.instantiationService, { resource: originalResource, viewType: contributedEditor.id, webviewTitle: undefined, iconPath: undefined }, group.id, { customClasses: 'original' }); return this.instantiationService.createInstance(DiffEditorInput, editor.label, editor.description, originalOverride, modifiedOverride, true); } + private getDiffEditorLayout(contributedEditor: CustomEditorInfo, modifiedResource: URI): CustomEditorDiffEditorLayout | undefined { + const capabilities = this.getCustomEditorCapabilities(contributedEditor.id); + const supportsInlineDiff = capabilities?.supportsInlineDiff === true; + const supportsSideBySideDiff = capabilities?.supportsSideBySideDiff === true; + + if (supportsInlineDiff && supportsSideBySideDiff) { + return this.textResourceConfigurationService.getValue(modifiedResource, 'diffEditor.renderSideBySide') ? CustomEditorDiffEditorLayout.SideBySide : CustomEditorDiffEditorLayout.Inline; + } + + return supportsInlineDiff ? CustomEditorDiffEditorLayout.Inline : supportsSideBySideDiff ? CustomEditorDiffEditorLayout.SideBySide : undefined; + } + + private async updateCustomDiffEditorsForDiffConfigurationChange(e: ITextResourceConfigurationChangeEvent): Promise { + for (const group of this.editorGroupService.groups) { + const replacements: IUntypedEditorReplacement[] = []; + for (const editor of group.editors) { + const diffInfo = this.getCustomEditorDiffInputInfo(editor); + const contributedEditor = diffInfo ? this._contributedEditors.get(diffInfo.viewType) : undefined; + if (!diffInfo + || !contributedEditor + || !e.affectsConfiguration(diffInfo.modifiedResource, 'diffEditor.renderSideBySide') + || !this.getCustomEditorCapabilities(contributedEditor.id)?.supportsInlineDiff + || !this.getCustomEditorCapabilities(contributedEditor.id)?.supportsSideBySideDiff + || this.getDiffEditorLayout(contributedEditor, diffInfo.modifiedResource) === diffInfo.layout) { + continue; + } + + replacements.push({ + editor, + replacement: { + original: { resource: diffInfo.originalResource }, + modified: { resource: diffInfo.modifiedResource }, + label: editor.getName(), + description: editor.getDescription(), + options: { + override: diffInfo.viewType, + pinned: group.isPinned(editor), + sticky: group.isSticky(editor), + preserveFocus: group.activeEditor !== editor, + } + } + }); + } + + if (replacements.length) { + await this.editorService.replaceEditors(replacements, group); + } + } + } + + private getCustomEditorDiffInputInfo(input: EditorInput | undefined): CustomEditorDiffInputInfo | undefined { + if (input instanceof CustomEditorDiffInput) { + return { + viewType: input.viewType, + originalResource: input.originalResource, + modifiedResource: input.modifiedResource, + layout: CustomEditorDiffEditorLayout.Inline, + }; + } + + if (input instanceof DiffEditorInput + && input.original instanceof CustomEditorSideBySideDiffInput + && input.modified instanceof CustomEditorSideBySideDiffInput + && input.original.side === 'original' + && input.modified.side === 'modified' + && input.original.viewType === input.modified.viewType + && input.original.diffId === input.modified.diffId) { + return { + viewType: input.original.viewType, + originalResource: input.original.originalResource, + modifiedResource: input.original.modifiedResource, + layout: CustomEditorDiffEditorLayout.SideBySide, + }; + } + + return undefined; + } + public get models() { return this._models; } public getCustomEditor(viewType: string): CustomEditorInfo | undefined { @@ -191,8 +342,10 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ throw new Error(`Capabilities for ${viewType} already set`); } this._editorCapabilities.set(viewType, options); + this._onDidChangeEditorTypes.fire(); return toDisposable(() => { this._editorCapabilities.delete(viewType); + this._onDidChangeEditorTypes.fire(); }); } @@ -202,12 +355,24 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ private getActiveCustomEditorId(group: IEditorGroup): string { const activeEditorPane = group.activeEditorPane; - const resource = activeEditorPane?.input?.resource; - if (!resource) { - return ''; + const input = activeEditorPane?.input; + const diffInfo = this.getCustomEditorDiffInputInfo(input); + if (diffInfo) { + return diffInfo.viewType; } - return activeEditorPane?.input instanceof CustomEditorInput ? activeEditorPane.input.viewType : ''; + return input instanceof CustomEditorInput && input.resource ? input.viewType : ''; + } + + private getActiveCustomEditorDiffCanToggleLayout(group: IEditorGroup): boolean { + const diffInfo = this.getCustomEditorDiffInputInfo(group.activeEditorPane?.input); + const capabilities = diffInfo ? this.getCustomEditorCapabilities(diffInfo.viewType) : undefined; + return capabilities?.supportsInlineDiff === true && capabilities.supportsSideBySideDiff === true; + } + + private getActiveCustomEditorTextDiff(group: IEditorGroup): boolean { + const diffInfo = this.getCustomEditorDiffInputInfo(group.activeEditorPane?.input); + return !!diffInfo && this.getCustomEditorCapabilities(diffInfo.viewType)?.isTextEditor === true; } private getCustomEditorIsEditable(group: IEditorGroup): boolean { diff --git a/src/vs/workbench/contrib/customEditor/common/customEditor.ts b/src/vs/workbench/contrib/customEditor/common/customEditor.ts index 7ea444c107fcbc..474cb684507cfe 100644 --- a/src/vs/workbench/contrib/customEditor/common/customEditor.ts +++ b/src/vs/workbench/contrib/customEditor/common/customEditor.ts @@ -25,6 +25,9 @@ export const CONTEXT_FOCUSED_CUSTOM_EDITOR_IS_EDITABLE = new RawContextKey; +const enum EditorAssociationType { + Editor, + DiffEditor +} + export class EditorResolverService extends Disposable implements IEditorResolverService { readonly _serviceBrand: undefined; @@ -125,7 +130,8 @@ export class EditorResolverService extends Disposable implements IEditorResolver let resource = EditorResourceAccessor.getCanonicalUri(untypedEditor, { supportSideBySide: SideBySideEditor.PRIMARY }); // If it was resolved before we await for the extensions to activate and then proceed with resolution or else the backing extensions won't be registered - if (this.cache && resource && (this.resourceMatchesCache(resource) || this.resourceMatchesUserAssociation(resource))) { + const editorAssociationType = isResourceDiffEditorInput(untypedEditor) ? EditorAssociationType.DiffEditor : EditorAssociationType.Editor; + if (this.cache && resource && (this.resourceMatchesCache(resource) || this.resourceMatchesUserAssociation(resource, editorAssociationType))) { await this.extensionService.whenInstalledExtensionsRegistered(); } @@ -147,13 +153,13 @@ export class EditorResolverService extends Disposable implements IEditorResolver } // Resolved the editor ID as much as possible, now find a given editor (cast here is ok because we resolve down to a string above) - let { editor: selectedEditor, conflictingDefault } = this.getEditor(resource, untypedEditor.options?.override as (string | EditorResolution.EXCLUSIVE_ONLY | undefined)); + let { editor: selectedEditor, conflictingDefault } = this.getEditor(resource, untypedEditor.options?.override as (string | EditorResolution.EXCLUSIVE_ONLY | undefined), editorAssociationType); // If no editor was found and this was a typed editor or an editor with an explicit override we could not resolve it if (!selectedEditor && (untypedEditor.options?.override || isEditorInputWithOptions(editor))) { return ResolvedStatus.NONE; } else if (!selectedEditor) { // Simple untyped editors that we could not resolve will be resolved to the default editor - const resolvedEditor = this.getEditor(resource, DEFAULT_EDITOR_ASSOCIATION.id); + const resolvedEditor = this.getEditor(resource, DEFAULT_EDITOR_ASSOCIATION.id, editorAssociationType); selectedEditor = resolvedEditor?.editor; conflictingDefault = resolvedEditor?.conflictingDefault; if (!selectedEditor) { @@ -167,9 +173,9 @@ export class EditorResolverService extends Disposable implements IEditorResolver if (!resource2) { resource2 = URI.from({ scheme: Schemas.untitled }); } - const { editor: selectedEditor2 } = this.getEditor(resource2, undefined); + const { editor: selectedEditor2 } = this.getEditor(resource2, undefined, editorAssociationType); if (!selectedEditor2 || selectedEditor.editorInfo.id !== selectedEditor2.editorInfo.id) { - const { editor: selectedDiff, conflictingDefault: conflictingDefaultDiff } = this.getEditor(resource, DEFAULT_EDITOR_ASSOCIATION.id); + const { editor: selectedDiff, conflictingDefault: conflictingDefaultDiff } = this.getEditor(resource, DEFAULT_EDITOR_ASSOCIATION.id, editorAssociationType); selectedEditor = selectedDiff; conflictingDefault = conflictingDefaultDiff; } @@ -262,17 +268,47 @@ export class EditorResolverService extends Disposable implements IEditorResolver } getAssociationsForResource(resource: URI): EditorAssociations { - const associations = this.getAllUserAssociations(); - let matchingAssociations = associations.filter(association => association.filenamePattern && globMatchesResource(association.filenamePattern, resource)); - // Sort matching associations based on glob length as a longer glob will be more specific - matchingAssociations = matchingAssociations.sort((a, b) => (b.filenamePattern?.length ?? 0) - (a.filenamePattern?.length ?? 0)); + return this.getAssociationsForResourceFromSetting(resource, editorsAssociationsSettingId); + } + + private getAssociationsForResourceByType(resource: URI, associationType: EditorAssociationType): EditorAssociations { + if (associationType === EditorAssociationType.Editor) { + return this.getAssociationsForResource(resource); + } + + const diffAssociations = this.getAssociationsForResourceFromSetting(resource, diffEditorsAssociationsSettingId); + return diffAssociations.length ? diffAssociations : this.getAssociationsForResource(resource); + } + + private getAssociationsForResourceFromSetting(resource: URI, settingId: string): EditorAssociations { + const matchingAssociations = this.getRawAssociationsForResourceFromSetting(resource, settingId); const allEditors: RegisteredEditors = this._registeredEditors; // Ensure that the settings are valid editors return matchingAssociations.filter(association => allEditors.find(c => c.editorInfo.id === association.viewType)); } + private getRawAssociationsForResourceByType(resource: URI, associationType: EditorAssociationType): EditorAssociations { + if (associationType === EditorAssociationType.Editor) { + return this.getRawAssociationsForResourceFromSetting(resource, editorsAssociationsSettingId); + } + + const diffAssociations = this.getRawAssociationsForResourceFromSetting(resource, diffEditorsAssociationsSettingId); + return diffAssociations.length ? diffAssociations : this.getRawAssociationsForResourceFromSetting(resource, editorsAssociationsSettingId); + } + + private getRawAssociationsForResourceFromSetting(resource: URI, settingId: string): EditorAssociations { + const associations = this.getAllUserAssociationsForSetting(settingId); + const matchingAssociations = associations.filter(association => association.filenamePattern && globMatchesResource(association.filenamePattern, resource)); + // Sort matching associations based on glob length as a longer glob will be more specific + return matchingAssociations.sort((a, b) => (b.filenamePattern?.length ?? 0) - (a.filenamePattern?.length ?? 0)); + } + getAllUserAssociations(): EditorAssociations { - const inspectedEditorAssociations = this.configurationService.inspect<{ [fileNamePattern: string]: string }>(editorsAssociationsSettingId) || {}; + return this.getAllUserAssociationsForSetting(editorsAssociationsSettingId); + } + + private getAllUserAssociationsForSetting(settingId: string): EditorAssociations { + const inspectedEditorAssociations = this.configurationService.inspect<{ [fileNamePattern: string]: string }>(settingId) || {}; const defaultAssociations = inspectedEditorAssociations.defaultValue ?? {}; const workspaceAssociations = inspectedEditorAssociations.workspaceValue ?? {}; const userAssociations = inspectedEditorAssociations.userValue ?? {}; @@ -340,8 +376,16 @@ export class EditorResolverService extends Disposable implements IEditorResolver } updateUserAssociations(globPattern: string, editorID: string): void { + this.updateUserAssociationsForSetting(editorsAssociationsSettingId, globPattern, editorID); + } + + private updateUserAssociationsForType(associationType: EditorAssociationType, globPattern: string, editorID: string): void { + this.updateUserAssociationsForSetting(associationType === EditorAssociationType.DiffEditor ? diffEditorsAssociationsSettingId : editorsAssociationsSettingId, globPattern, editorID); + } + + private updateUserAssociationsForSetting(settingId: string, globPattern: string, editorID: string): void { const newAssociation: EditorAssociation = { viewType: editorID, filenamePattern: globPattern }; - const currentAssociations = this.getAllUserAssociations(); + const currentAssociations = this.getAllUserAssociationsForSetting(settingId); const newSettingObject = Object.create(null); // Form the new setting object including the newest associations for (const association of [...currentAssociations, newAssociation]) { @@ -349,16 +393,20 @@ export class EditorResolverService extends Disposable implements IEditorResolver newSettingObject[association.filenamePattern] = association.viewType; } } - this.configurationService.updateValue(editorsAssociationsSettingId, newSettingObject); + this.configurationService.updateValue(settingId, newSettingObject); } - private findMatchingEditors(resource: URI): RegisteredEditor[] { + private findMatchingEditors(resource: URI, associationType: EditorAssociationType = EditorAssociationType.Editor): RegisteredEditor[] { // The user setting should be respected even if the editor doesn't specify that resource in package.json - const userSettings = this.getAssociationsForResource(resource); + const userSettings = this.getAssociationsForResourceByType(resource, associationType); const matchingEditors: RegisteredEditor[] = []; // Then all glob patterns for (const [key, editors] of this._flattenedEditors) { for (const editor of editors) { + if (associationType === EditorAssociationType.DiffEditor && !editor.editorFactoryObject.createDiffEditorInput) { + continue; + } + const foundInSettings = userSettings.find(setting => setting.viewType === editor.editorInfo.id); if ((foundInSettings && editor.editorInfo.priority !== RegisteredEditorPriority.exclusive) || globMatchesResource(key, resource)) { matchingEditors.push(editor); @@ -395,10 +443,14 @@ export class EditorResolverService extends Disposable implements IEditorResolver * Given a resource and an editorId selects the best possible editor * @returns The editor and whether there was another default which conflicted with it */ - private getEditor(resource: URI, editorId: string | EditorResolution.EXCLUSIVE_ONLY | undefined): { editor: RegisteredEditor | undefined; conflictingDefault: boolean } { + private getEditor(resource: URI, editorId: string | EditorResolution.EXCLUSIVE_ONLY | undefined, associationType: EditorAssociationType): { editor: RegisteredEditor | undefined; conflictingDefault: boolean } { const findMatchingEditor = (editors: RegisteredEditors, viewType: string) => { return editors.find((editor) => { + if (associationType === EditorAssociationType.DiffEditor && !editor.editorFactoryObject.createDiffEditorInput) { + return false; + } + if (editor.options?.canSupportResource !== undefined) { return editor.editorInfo.id === viewType && editor.options.canSupportResource(resource); } @@ -415,9 +467,9 @@ export class EditorResolverService extends Disposable implements IEditorResolver }; } - const editors = this.findMatchingEditors(resource); + const editors = this.findMatchingEditors(resource, associationType); - const associationsFromSetting = this.getAssociationsForResource(resource); + const associationsFromSetting = this.getAssociationsForResourceByType(resource, associationType); // We only want minPriority+ if no user defined setting is found, else we won't resolve an editor const minPriority = editorId === EditorResolution.EXCLUSIVE_ONLY ? RegisteredEditorPriority.exclusive : RegisteredEditorPriority.builtin; let possibleEditors = editors.filter(editor => priorityToRank(editor.editorInfo.priority) >= priorityToRank(minPriority) && editor.editorInfo.id !== DEFAULT_EDITOR_ASSOCIATION.id); @@ -594,7 +646,8 @@ export class EditorResolverService extends Disposable implements IEditorResolver type StoredChoice = { [key: string]: string[]; }; - const editors = this.findMatchingEditors(resource); + const associationType = isResourceDiffEditorInput(untypedInput) ? EditorAssociationType.DiffEditor : EditorAssociationType.Editor; + const editors = this.findMatchingEditors(resource, associationType); const storedChoices: StoredChoice = JSON.parse(this.storageService.get(EditorResolverService.conflictingDefaultsStorageID, StorageScope.PROFILE, '{}')); const globForResource = `*${extname(resource)}`; // Writes to the storage service that a choice has been made for the currently installed editors @@ -646,13 +699,16 @@ export class EditorResolverService extends Disposable implements IEditorResolver }); } - private mapEditorsToQuickPickEntry(resource: URI, showDefaultPicker?: boolean) { + private mapEditorsToQuickPickEntry(resource: URI, showDefaultPicker: boolean | undefined, associationType: EditorAssociationType) { const currentEditor = this.editorGroupService.activeGroup.findEditors(resource).at(0); // If untitled, we want all registered editors - let registeredEditors = resource.scheme === Schemas.untitled ? this._registeredEditors.filter(e => e.editorInfo.priority !== RegisteredEditorPriority.exclusive) : this.findMatchingEditors(resource); + let registeredEditors = resource.scheme === Schemas.untitled ? this._registeredEditors.filter(e => e.editorInfo.priority !== RegisteredEditorPriority.exclusive) : this.findMatchingEditors(resource, associationType); + if (associationType === EditorAssociationType.DiffEditor) { + registeredEditors = registeredEditors.filter(editor => !!editor.editorFactoryObject.createDiffEditorInput); + } // We don't want duplicate Id entries registeredEditors = distinct(registeredEditors, c => c.editorInfo.id); - const defaultSetting = this.getAssociationsForResource(resource)[0]?.viewType; + const defaultSetting = this.getAssociationsForResourceByType(resource, associationType)[0]?.viewType; // Not the most efficient way to do this, but we want to ensure the text editor is at the top of the quickpick registeredEditors = registeredEditors.sort((a, b) => { if (a.editorInfo.id === DEFAULT_EDITOR_ASSOCIATION.id) { @@ -713,9 +769,10 @@ export class EditorResolverService extends Disposable implements IEditorResolver if (resource === undefined) { resource = URI.from({ scheme: Schemas.untitled }); } + const associationType = isResourceDiffEditorInput(editor) ? EditorAssociationType.DiffEditor : EditorAssociationType.Editor; // Get all the editors for the resource as quickpick entries - const editorPicks = this.mapEditorsToQuickPickEntry(resource, showDefaultPicker); + const editorPicks = this.mapEditorsToQuickPickEntry(resource, showDefaultPicker, associationType); // Create the editor picker const disposables = new DisposableStore(); @@ -746,7 +803,7 @@ export class EditorResolverService extends Disposable implements IEditorResolver // If asked to always update the setting then update it even if the gear isn't clicked if (resource && showDefaultPicker && result?.item.id) { - this.updateUserAssociations(`*${extname(resource)}`, result.item.id,); + this.updateUserAssociationsForType(associationType, `*${extname(resource)}`, result.item.id); } resolve(result); @@ -764,7 +821,7 @@ export class EditorResolverService extends Disposable implements IEditorResolver // Persist setting if (resource && e.item?.id) { - this.updateUserAssociations(`*${extname(resource)}`, e.item.id,); + this.updateUserAssociationsForType(associationType, `*${extname(resource)}`, e.item.id); } })); @@ -816,7 +873,10 @@ export class EditorResolverService extends Disposable implements IEditorResolver } // Also store the users settings as those would have to activate on startup as well - const userAssociations = this.getAllUserAssociations(); + const userAssociations = [ + ...this.getAllUserAssociations(), + ...this.getAllUserAssociationsForSetting(diffEditorsAssociationsSettingId) + ]; for (const association of userAssociations) { if (association.filenamePattern) { cacheStorage.add(association.filenamePattern); @@ -831,10 +891,10 @@ export class EditorResolverService extends Disposable implements IEditorResolver * the cache is empty), we still wait for extensions to register before * resolving the editor, so that user-configured custom editors are available. */ - private resourceMatchesUserAssociation(resource: URI): boolean { - const userAssociations = this.getAllUserAssociations(); + private resourceMatchesUserAssociation(resource: URI, associationType: EditorAssociationType): boolean { + const userAssociations = this.getRawAssociationsForResourceByType(resource, associationType); for (const association of userAssociations) { - if (association.filenamePattern && association.viewType !== DEFAULT_EDITOR_ASSOCIATION.id && globMatchesResource(association.filenamePattern, resource)) { + if (association.viewType !== DEFAULT_EDITOR_ASSOCIATION.id) { return true; } } diff --git a/src/vs/workbench/services/editor/common/editorResolverService.ts b/src/vs/workbench/services/editor/common/editorResolverService.ts index b45646fe14b431..09b6169f7b0162 100644 --- a/src/vs/workbench/services/editor/common/editorResolverService.ts +++ b/src/vs/workbench/services/editor/common/editorResolverService.ts @@ -35,18 +35,26 @@ export type EditorAssociation = { export type EditorAssociations = readonly EditorAssociation[]; export const editorsAssociationsSettingId = 'workbench.editorAssociations'; +export const diffEditorsAssociationsSettingId = 'workbench.diffEditorAssociations'; const configurationRegistry = Registry.as(ConfigurationExtensions.Configuration); const editorAssociationsConfigurationNode: IConfigurationNode = { ...workbenchConfigurationNodeBase, properties: { - 'workbench.editorAssociations': { + [editorsAssociationsSettingId]: { type: 'object', markdownDescription: localize('editor.editorAssociations', "Configure [glob patterns](https://aka.ms/vscode-glob-patterns) to editors (for example `\"*.hex\": \"hexEditor.hexedit\"`). These have precedence over the default behavior."), additionalProperties: { type: 'string' } + }, + [diffEditorsAssociationsSettingId]: { + type: 'object', + markdownDescription: localize('editor.diffEditorAssociations', "Configure [glob patterns](https://aka.ms/vscode-glob-patterns) to editors for diff views (for example `\"*.md\": \"vscode.markdown.preview.editor\"`). These override `workbench.editorAssociations` for diffs."), + additionalProperties: { + type: 'string' + } } } }; diff --git a/src/vs/workbench/services/editor/test/browser/editorResolverService.test.ts b/src/vs/workbench/services/editor/test/browser/editorResolverService.test.ts index 352c99a4befef9..96c70b95b247c7 100644 --- a/src/vs/workbench/services/editor/test/browser/editorResolverService.test.ts +++ b/src/vs/workbench/services/editor/test/browser/editorResolverService.test.ts @@ -12,7 +12,7 @@ import { EditorPart } from '../../../../browser/parts/editor/editorPart.js'; import { DiffEditorInput } from '../../../../common/editor/diffEditorInput.js'; import { EditorResolverService } from '../../browser/editorResolverService.js'; import { IEditorGroupsService } from '../../common/editorGroupsService.js'; -import { IEditorResolverService, ResolvedStatus, RegisteredEditorPriority, editorsAssociationsSettingId } from '../../common/editorResolverService.js'; +import { IEditorResolverService, ResolvedStatus, RegisteredEditorPriority, diffEditorsAssociationsSettingId, editorsAssociationsSettingId } from '../../common/editorResolverService.js'; import { TestConfigurationService } from '../../../../../platform/configuration/test/common/testConfigurationService.js'; import { createEditorPart, ITestInstantiationService, TestFileEditorInput, TestServiceAccessor, workbenchInstantiationService } from '../../../../test/browser/workbenchTestServices.js'; @@ -42,6 +42,16 @@ suite('EditorResolverService', () => { return editor; } + function constructDisposableDiffEditorInput(accessor: TestServiceAccessor, original: { readonly resource?: URI }, modified: { readonly resource?: URI }, typeId: string): DiffEditorInput { + return accessor.instantiationService.createInstance( + DiffEditorInput, + 'name', + 'description', + constructDisposableFileEditorInput(original.resource ?? URI.from({ scheme: Schemas.untitled }), typeId, disposables), + constructDisposableFileEditorInput(modified.resource ?? URI.from({ scheme: Schemas.untitled }), typeId, disposables), + undefined); + } + test('Simple Resolve', async () => { const [part, service] = await createEditorResolverService(); const registeredEditor = service.registerEditor('*.test', @@ -194,6 +204,150 @@ suite('EditorResolverService', () => { registeredEditor.dispose(); }); + test('Diff editor Resolve - Falls back to editor associations', async () => { + const CUSTOM_EDITOR_INPUT_ID = 'testCustomEditorInput'; + const instantiationService = workbenchInstantiationService({ + configurationService: () => new TestConfigurationService({ + [editorsAssociationsSettingId]: { + '*.test-diff-association': 'TEST_EDITOR' + } + }) + }, disposables); + const [part, service, accessor] = await createEditorResolverService(instantiationService); + let customDiffCounter = 0; + let defaultDiffCounter = 0; + + const defaultRegisteredEditor = service.registerEditor('*', + { + id: 'default', + label: 'Default Editor', + detail: 'Default', + priority: RegisteredEditorPriority.builtin + }, + {}, + { + createEditorInput: ({ resource }) => ({ editor: constructDisposableFileEditorInput(resource, TEST_EDITOR_INPUT_ID, disposables) }), + createDiffEditorInput: ({ modified, original }) => { + defaultDiffCounter++; + return { editor: constructDisposableDiffEditorInput(accessor, original, modified, TEST_EDITOR_INPUT_ID) }; + } + } + ); + + const customRegisteredEditor = service.registerEditor('*.test-diff-association', + { + id: 'TEST_EDITOR', + label: 'Test Editor Label', + detail: 'Test Editor Details', + priority: RegisteredEditorPriority.option + }, + {}, + { + createEditorInput: ({ resource }) => ({ editor: constructDisposableFileEditorInput(resource, CUSTOM_EDITOR_INPUT_ID, disposables) }), + createDiffEditorInput: ({ modified, original }) => { + customDiffCounter++; + return { editor: constructDisposableDiffEditorInput(accessor, original, modified, CUSTOM_EDITOR_INPUT_ID) }; + } + } + ); + + const resultingResolution = await service.resolveEditor({ + original: { resource: URI.file('resource-basics.test-diff-association') }, + modified: { resource: URI.file('resource-basics.test-diff-association') } + }, part.activeGroup); + assert.ok(resultingResolution); + assert.notStrictEqual(typeof resultingResolution, 'number'); + if (resultingResolution !== ResolvedStatus.ABORT && resultingResolution !== ResolvedStatus.NONE) { + assert.strictEqual(customDiffCounter, 1); + assert.strictEqual(defaultDiffCounter, 0); + resultingResolution.editor.dispose(); + } else { + assert.fail(); + } + + defaultRegisteredEditor.dispose(); + customRegisteredEditor.dispose(); + }); + + test('Diff editor Resolve - Diff associations override editor associations', async () => { + const EDITOR_ASSOCIATION_INPUT_ID = 'testEditorAssociationInput'; + const DIFF_ASSOCIATION_INPUT_ID = 'testDiffAssociationInput'; + const instantiationService = workbenchInstantiationService({ + configurationService: () => new TestConfigurationService({ + [editorsAssociationsSettingId]: { + '*.test-diff-association': 'TEST_EDITOR' + }, + [diffEditorsAssociationsSettingId]: { + '*.test-diff-association': 'TEST_DIFF_EDITOR' + } + }) + }, disposables); + const [part, service, accessor] = await createEditorResolverService(instantiationService); + let editorAssociationDiffCounter = 0; + let diffAssociationDiffCounter = 0; + + const editorAssociationRegisteredEditor = service.registerEditor('*.test-diff-association', + { + id: 'TEST_EDITOR', + label: 'Test Editor Label', + detail: 'Test Editor Details', + priority: RegisteredEditorPriority.option + }, + {}, + { + createEditorInput: ({ resource }) => ({ editor: constructDisposableFileEditorInput(resource, EDITOR_ASSOCIATION_INPUT_ID, disposables) }), + createDiffEditorInput: ({ modified, original }) => { + editorAssociationDiffCounter++; + return { editor: constructDisposableDiffEditorInput(accessor, original, modified, EDITOR_ASSOCIATION_INPUT_ID) }; + } + } + ); + + const diffAssociationRegisteredEditor = service.registerEditor('*.test-diff-association', + { + id: 'TEST_DIFF_EDITOR', + label: 'Test Diff Editor Label', + detail: 'Test Diff Editor Details', + priority: RegisteredEditorPriority.option + }, + {}, + { + createEditorInput: ({ resource }) => ({ editor: constructDisposableFileEditorInput(resource, DIFF_ASSOCIATION_INPUT_ID, disposables) }), + createDiffEditorInput: ({ modified, original }) => { + diffAssociationDiffCounter++; + return { editor: constructDisposableDiffEditorInput(accessor, original, modified, DIFF_ASSOCIATION_INPUT_ID) }; + } + } + ); + + const diffResolution = await service.resolveEditor({ + original: { resource: URI.file('resource-basics.test-diff-association') }, + modified: { resource: URI.file('resource-basics.test-diff-association') } + }, part.activeGroup); + assert.ok(diffResolution); + assert.notStrictEqual(typeof diffResolution, 'number'); + if (diffResolution !== ResolvedStatus.ABORT && diffResolution !== ResolvedStatus.NONE) { + assert.strictEqual(editorAssociationDiffCounter, 0); + assert.strictEqual(diffAssociationDiffCounter, 1); + diffResolution.editor.dispose(); + } else { + assert.fail(); + } + + const editorResolution = await service.resolveEditor({ resource: URI.file('resource-basics.test-diff-association') }, part.activeGroup); + assert.ok(editorResolution); + assert.notStrictEqual(typeof editorResolution, 'number'); + if (editorResolution !== ResolvedStatus.ABORT && editorResolution !== ResolvedStatus.NONE) { + assert.strictEqual(editorResolution.editor.typeId, EDITOR_ASSOCIATION_INPUT_ID); + editorResolution.editor.dispose(); + } else { + assert.fail(); + } + + editorAssociationRegisteredEditor.dispose(); + diffAssociationRegisteredEditor.dispose(); + }); + test('Diff editor Resolve - Different Types', async () => { const [part, service, accessor] = await createEditorResolverService(); let diffOneCounter = 0; diff --git a/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts b/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts new file mode 100644 index 00000000000000..0688e7edd3e466 --- /dev/null +++ b/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts @@ -0,0 +1,67 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +declare module 'vscode' { + + export interface CustomEditorDiffDocuments { + readonly original: T; + readonly modified: T; + } + + export interface CustomEditorSideBySideDiffWebviewPanels { + readonly original: WebviewPanel; + readonly modified: WebviewPanel; + } + + export interface CustomReadonlyEditorProvider { + + /** + * Resolve a custom editor the shows the diff between two documents using a single webview. + * + * @param documents Original and modified documents for the diff editor. + * @param webviewPanel The webview panel used to display the editor UI for this diff. + * @param token A cancellation token that indicates the result is no longer needed. + * + * @returns Thenable indicating that the custom diff editor has been resolved. + */ + resolveCustomEditorInlineDiff?(documents: CustomEditorDiffDocuments, webviewPanel: WebviewPanel, token: CancellationToken): Thenable | void; + + /** + * Resolve a side-by-side custom editor diff between two custom documents. + * + * @param documents Original and modified documents for the diff editor. + * @param webviewPanels The webview panels used to display the original and modified sides of the diff. + * @param token A cancellation token that indicates the result is no longer needed. + * + * @returns Thenable indicating that the custom diff editor has been resolved. + */ + resolveCustomEditorSideBySideDiff?(documents: CustomEditorDiffDocuments, webviewPanels: CustomEditorSideBySideDiffWebviewPanels, token: CancellationToken): Thenable | void; + } + + export interface CustomTextEditorProvider { + + /** + * Resolve a custom editor for a diff between two text resources using a single webview. + * + * @param documents Original and modified documents for the diff editor. + * @param webviewPanel The webview panel used to display the editor UI for this diff. + * @param token A cancellation token that indicates the result is no longer needed. + * + * @returns Thenable indicating that the custom diff editor has been resolved. + */ + resolveCustomTextEditorInlineDiff?(documents: CustomEditorDiffDocuments, webviewPanel: WebviewPanel, token: CancellationToken): Thenable | void; + + /** + * Resolve a side-by-side custom editor diff between two text resources. + * + * @param documents Original and modified documents for the diff editor. + * @param webviewPanels The webview panels used to display the original and modified sides of the diff. + * @param token A cancellation token that indicates the result is no longer needed. + * + * @returns Thenable indicating that the custom diff editor has been resolved. + */ + resolveCustomTextEditorSideBySideDiff?(documents: CustomEditorDiffDocuments, webviewPanels: CustomEditorSideBySideDiffWebviewPanels, token: CancellationToken): Thenable | void; + } +} From 7c8e7a3693011be6d1bb9113a1558907a0c44f99 Mon Sep 17 00:00:00 2001 From: Matt Bierner <12821956+mjbvz@users.noreply.github.com> Date: Fri, 1 May 2026 15:47:16 -0700 Subject: [PATCH 02/11] Naming --- .../src/preview/previewManager.ts | 2 +- src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/extensions/markdown-language-features/src/preview/previewManager.ts b/extensions/markdown-language-features/src/preview/previewManager.ts index c2b96556ab5918..cc6018b6d3b223 100644 --- a/extensions/markdown-language-features/src/preview/previewManager.ts +++ b/extensions/markdown-language-features/src/preview/previewManager.ts @@ -263,7 +263,7 @@ export class MarkdownPreviewManager extends Disposable implements vscode.Webview public async resolveCustomTextEditorSideBySideDiff( documents: vscode.CustomEditorDiffDocuments, - webviewPanels: vscode.CustomEditorSideBySideDiffWebviewPanels + webviewPanels: vscode.CustomEditorDiffWebviewPanels ): Promise { const lineDiffProvider = new MarkdownPreviewLineDiffProvider(documents.original, documents.modified); const originalPreview = this.#resolveCustomTextEditor(documents.original, webviewPanels.original, () => lineDiffProvider.getOriginalLineChanges()); diff --git a/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts b/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts index 0688e7edd3e466..e75e38c5305a85 100644 --- a/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts +++ b/src/vscode-dts/vscode.proposed.customEditorDiffs.d.ts @@ -10,7 +10,7 @@ declare module 'vscode' { readonly modified: T; } - export interface CustomEditorSideBySideDiffWebviewPanels { + export interface CustomEditorDiffWebviewPanels { readonly original: WebviewPanel; readonly modified: WebviewPanel; } @@ -37,7 +37,7 @@ declare module 'vscode' { * * @returns Thenable indicating that the custom diff editor has been resolved. */ - resolveCustomEditorSideBySideDiff?(documents: CustomEditorDiffDocuments, webviewPanels: CustomEditorSideBySideDiffWebviewPanels, token: CancellationToken): Thenable | void; + resolveCustomEditorSideBySideDiff?(documents: CustomEditorDiffDocuments, webviewPanels: CustomEditorDiffWebviewPanels, token: CancellationToken): Thenable | void; } export interface CustomTextEditorProvider { @@ -62,6 +62,6 @@ declare module 'vscode' { * * @returns Thenable indicating that the custom diff editor has been resolved. */ - resolveCustomTextEditorSideBySideDiff?(documents: CustomEditorDiffDocuments, webviewPanels: CustomEditorSideBySideDiffWebviewPanels, token: CancellationToken): Thenable | void; + resolveCustomTextEditorSideBySideDiff?(documents: CustomEditorDiffDocuments, webviewPanels: CustomEditorDiffWebviewPanels, token: CancellationToken): Thenable | void; } } From 6f13ad8907e83b2c4d5f2b95636af95e8d460100 Mon Sep 17 00:00:00 2001 From: Matt Bierner <12821956+mjbvz@users.noreply.github.com> Date: Mon, 4 May 2026 14:23:42 -0700 Subject: [PATCH 03/11] Address code review comments --- .../browser/customEditorDiffInput.ts | 220 +++++++++++++++++- .../customEditor/browser/customEditors.ts | 21 +- 2 files changed, 233 insertions(+), 8 deletions(-) diff --git a/src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts b/src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts index ff9d5077f072dd..5cb04d4e9a8277 100644 --- a/src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts +++ b/src/vs/workbench/contrib/customEditor/browser/customEditorDiffInput.ts @@ -4,14 +4,20 @@ *--------------------------------------------------------------------------------------------*/ import { isEqual } from '../../../../base/common/resources.js'; +import { IMarkdownString } from '../../../../base/common/htmlContent.js'; +import { IReference } from '../../../../base/common/lifecycle.js'; import { URI } from '../../../../base/common/uri.js'; import { localize } from '../../../../nls.js'; +import { IFileDialogService } from '../../../../platform/dialogs/common/dialogs.js'; import { IInstantiationService } from '../../../../platform/instantiation/common/instantiation.js'; import { IThemeService } from '../../../../platform/theme/common/themeService.js'; -import { EditorInputCapabilities, IDiffEditorInput, IResourceDiffEditorInput, IUntypedEditorInput, isEditorInput, isResourceEditorInput, isResourceDiffEditorInput, Verbosity } from '../../../common/editor.js'; +import { IUndoRedoService } from '../../../../platform/undoRedo/common/undoRedo.js'; +import { EditorInputCapabilities, GroupIdentifier, IDiffEditorInput, IResourceDiffEditorInput, IRevertOptions, ISaveOptions, IUntypedEditorInput, isEditorInput, isResourceEditorInput, isResourceDiffEditorInput, Verbosity } from '../../../common/editor.js'; import { EditorInput, IUntypedEditorOptions } from '../../../common/editor/editorInput.js'; import { IEditorGroup } from '../../../services/editor/common/editorGroupsService.js'; +import { IFilesConfigurationService } from '../../../services/filesConfiguration/common/filesConfigurationService.js'; import { ITextEditorService } from '../../../services/textfile/common/textEditorService.js'; +import { ICustomEditorModel, ICustomEditorService } from '../common/customEditor.js'; import { IOverlayWebview, IWebviewService } from '../../webview/browser/webview.js'; import { IWebviewWorkbenchService, LazilyResolvedWebviewEditorInput } from '../../webviewPanel/browser/webviewWorkbenchService.js'; import { WebviewIconPath } from '../../webviewPanel/browser/webviewEditorInput.js'; @@ -34,6 +40,8 @@ export type CustomEditorSideBySideDiffSide = 'original' | 'modified'; export class CustomEditorDiffInput extends LazilyResolvedWebviewEditorInput implements IDiffEditorInput { + private _modelRef?: IReference; + static create( instantiationService: IInstantiationService, init: CustomEditorDiffInputInitInfo, @@ -70,8 +78,19 @@ export class CustomEditorDiffInput extends LazilyResolvedWebviewEditorInput impl @IThemeService themeService: IThemeService, @IWebviewWorkbenchService webviewWorkbenchService: IWebviewWorkbenchService, @IInstantiationService private readonly instantiationService: IInstantiationService, + @ICustomEditorService private readonly customEditorService: ICustomEditorService, + @IFilesConfigurationService private readonly filesConfigurationService: IFilesConfigurationService, + @IFileDialogService private readonly fileDialogService: IFileDialogService, + @IUndoRedoService private readonly undoRedoService: IUndoRedoService, ) { super({ providedId: init.viewType, viewType: init.viewType, name: init.label ?? '', iconPath: init.iconPath }, webview, themeService, webviewWorkbenchService); + this._register(this.filesConfigurationService.onDidChangeReadonly(() => this._onDidChangeCapabilities.fire())); + } + + override dispose(): void { + this.original.dispose(); + this.modified.dispose(); + super.dispose(); } override get typeId(): string { @@ -83,7 +102,11 @@ export class CustomEditorDiffInput extends LazilyResolvedWebviewEditorInput impl } override get capabilities(): EditorInputCapabilities { - return EditorInputCapabilities.Readonly | EditorInputCapabilities.Singleton | EditorInputCapabilities.CanDropIntoEditor; + let capabilities = EditorInputCapabilities.Singleton | EditorInputCapabilities.CanDropIntoEditor; + if (this.isReadonly()) { + capabilities |= EditorInputCapabilities.Readonly; + } + return capabilities; } override get resource(): URI { @@ -115,6 +138,17 @@ export class CustomEditorDiffInput extends LazilyResolvedWebviewEditorInput impl return this.getName(); } + override isReadonly(): boolean | IMarkdownString { + if (!this._modelRef) { + return this.filesConfigurationService.isReadonly(this.modifiedResource); + } + return this._modelRef.object.isReadonly(); + } + + override isDirty(): boolean { + return this._modelRef?.object.isDirty() ?? false; + } + override matches(otherInput: EditorInput | IUntypedEditorInput): boolean { if (this === otherInput) { return true; @@ -144,10 +178,86 @@ export class CustomEditorDiffInput extends LazilyResolvedWebviewEditorInput impl return CustomEditorDiffInput.create(this.instantiationService, this.init, undefined); } + override async save(groupId: GroupIdentifier, options?: ISaveOptions): Promise { + if (!this._modelRef) { + return undefined; + } + + const target = await this._modelRef.object.saveCustomEditor(options); + if (!target) { + return undefined; + } + + if (!isEqual(target, this.modifiedResource)) { + return this.toUntypedWithModifiedResource(target); + } + + return this; + } + + override async saveAs(groupId: GroupIdentifier, options?: ISaveOptions): Promise { + if (!this._modelRef) { + return undefined; + } + + const target = await this.fileDialogService.pickFileToSave(this.modifiedResource, options?.availableFileSystems); + if (!target) { + return undefined; + } + + if (!await this._modelRef.object.saveCustomEditorAs(this.modifiedResource, target, options)) { + return undefined; + } + + return this.toUntypedWithModifiedResource(target); + } + + override async revert(group: GroupIdentifier, options?: IRevertOptions): Promise { + await this._modelRef?.object.revert(options); + } + + override async resolve(): Promise { + await super.resolve(); + + if (this.isDisposed()) { + return null; + } + + if (!this._modelRef) { + const modelRef = this.customEditorService.models.tryRetain(this.modifiedResource, this.viewType); + if (modelRef) { + const oldCapabilities = this.capabilities; + this._modelRef = this._register(await modelRef); + this._register(this._modelRef.object.onDidChangeDirty(() => this._onDidChangeDirty.fire())); + this._register(this._modelRef.object.onDidChangeReadonly(() => this._onDidChangeCapabilities.fire())); + if (this.isDirty()) { + this._onDidChangeDirty.fire(); + } + if (this.capabilities !== oldCapabilities) { + this._onDidChangeCapabilities.fire(); + } + } + } + + return null; + } + + public undo(): void | Promise { + return this.undoRedoService.undo(this.modifiedResource); + } + + public redo(): void | Promise { + return this.undoRedoService.redo(this.modifiedResource); + } + override toUntyped(_options?: IUntypedEditorOptions): IResourceDiffEditorInput { + return this.toUntypedWithModifiedResource(this.modifiedResource); + } + + private toUntypedWithModifiedResource(modifiedResource: URI): IResourceDiffEditorInput { return { original: { resource: this.originalResource }, - modified: { resource: this.modifiedResource }, + modified: { resource: modifiedResource }, label: this.init.label, description: this.init.description, options: { @@ -159,6 +269,8 @@ export class CustomEditorDiffInput extends LazilyResolvedWebviewEditorInput impl export class CustomEditorSideBySideDiffInput extends LazilyResolvedWebviewEditorInput { + private _modelRef?: IReference; + static create( instantiationService: IInstantiationService, init: CustomEditorSideBySideDiffInputInitInfo, @@ -193,8 +305,18 @@ export class CustomEditorSideBySideDiffInput extends LazilyResolvedWebviewEditor @IThemeService themeService: IThemeService, @IWebviewWorkbenchService webviewWorkbenchService: IWebviewWorkbenchService, @IInstantiationService private readonly instantiationService: IInstantiationService, + @ICustomEditorService private readonly customEditorService: ICustomEditorService, + @IFilesConfigurationService private readonly filesConfigurationService: IFilesConfigurationService, + @IFileDialogService private readonly fileDialogService: IFileDialogService, + @IUndoRedoService private readonly undoRedoService: IUndoRedoService, ) { super({ providedId: init.viewType, viewType: init.viewType, name: sideInput.getName(), iconPath: init.iconPath }, webview, themeService, webviewWorkbenchService); + this._register(this.filesConfigurationService.onDidChangeReadonly(() => this._onDidChangeCapabilities.fire())); + } + + override dispose(): void { + this.sideInput.dispose(); + super.dispose(); } override get typeId(): string { @@ -206,7 +328,11 @@ export class CustomEditorSideBySideDiffInput extends LazilyResolvedWebviewEditor } override get capabilities(): EditorInputCapabilities { - return EditorInputCapabilities.Readonly | EditorInputCapabilities.Singleton | EditorInputCapabilities.CanDropIntoEditor; + let capabilities = EditorInputCapabilities.Singleton | EditorInputCapabilities.CanDropIntoEditor; + if (this.isReadonly()) { + capabilities |= EditorInputCapabilities.Readonly; + } + return capabilities; } override get resource(): URI { @@ -241,6 +367,20 @@ export class CustomEditorSideBySideDiffInput extends LazilyResolvedWebviewEditor return this.sideInput.getTitle(verbosity); } + override isReadonly(): boolean | IMarkdownString { + if (this.side === 'original') { + return true; + } + if (!this._modelRef) { + return this.filesConfigurationService.isReadonly(this.modifiedResource); + } + return this._modelRef.object.isReadonly(); + } + + override isDirty(): boolean { + return this.side === 'modified' ? this._modelRef?.object.isDirty() ?? false : false; + } + override matches(otherInput: EditorInput | IUntypedEditorInput): boolean { if (this === otherInput) { return true; @@ -268,6 +408,78 @@ export class CustomEditorSideBySideDiffInput extends LazilyResolvedWebviewEditor return CustomEditorSideBySideDiffInput.create(this.instantiationService, this.init, undefined); } + override async save(groupId: GroupIdentifier, options?: ISaveOptions): Promise { + if (!this._modelRef) { + return undefined; + } + + const target = await this._modelRef.object.saveCustomEditor(options); + if (!target) { + return undefined; + } + + if (!isEqual(target, this.modifiedResource)) { + return { resource: target }; + } + + return this; + } + + override async saveAs(groupId: GroupIdentifier, options?: ISaveOptions): Promise { + if (!this._modelRef) { + return undefined; + } + + const target = await this.fileDialogService.pickFileToSave(this.modifiedResource, options?.availableFileSystems); + if (!target) { + return undefined; + } + + if (!await this._modelRef.object.saveCustomEditorAs(this.modifiedResource, target, options)) { + return undefined; + } + + return { resource: target }; + } + + override async revert(group: GroupIdentifier, options?: IRevertOptions): Promise { + await this._modelRef?.object.revert(options); + } + + override async resolve(): Promise { + await super.resolve(); + + if (this.isDisposed()) { + return null; + } + + if (this.side === 'modified' && !this._modelRef) { + const modelRef = this.customEditorService.models.tryRetain(this.modifiedResource, this.viewType); + if (modelRef) { + const oldCapabilities = this.capabilities; + this._modelRef = this._register(await modelRef); + this._register(this._modelRef.object.onDidChangeDirty(() => this._onDidChangeDirty.fire())); + this._register(this._modelRef.object.onDidChangeReadonly(() => this._onDidChangeCapabilities.fire())); + if (this.isDirty()) { + this._onDidChangeDirty.fire(); + } + if (this.capabilities !== oldCapabilities) { + this._onDidChangeCapabilities.fire(); + } + } + } + + return null; + } + + public undo(): void | Promise { + return this.undoRedoService.undo(this.modifiedResource); + } + + public redo(): void | Promise { + return this.undoRedoService.redo(this.modifiedResource); + } + override toUntyped(_options?: IUntypedEditorOptions): IUntypedEditorInput { return { resource: this.resource }; } diff --git a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts index 1aa4a59baae60b..d9106e60e11f44 100644 --- a/src/vs/workbench/contrib/customEditor/browser/customEditors.ts +++ b/src/vs/workbench/contrib/customEditor/browser/customEditors.ts @@ -41,6 +41,8 @@ interface CustomEditorDiffInputInfo { readonly layout: CustomEditorDiffEditorLayout; } +type CustomEditorUndoRedoInput = CustomEditorInput | CustomEditorDiffInput | CustomEditorSideBySideDiffInput; + export class CustomEditorService extends Disposable implements ICustomEditorService { _serviceBrand: any; @@ -135,10 +137,10 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ return [...this._contributedEditors]; } - private withActiveCustomEditor(f: (editor: CustomEditorInput) => void | Promise): boolean | Promise { - const activeEditor = this.editorService.activeEditor; - if (activeEditor instanceof CustomEditorInput) { - const result = f(activeEditor); + private withActiveCustomEditor(f: (editor: CustomEditorUndoRedoInput) => void | Promise): boolean | Promise { + const editor = this.getActiveCustomEditorUndoRedoInput(); + if (editor) { + const result = f(editor); if (result) { return result; } @@ -147,6 +149,17 @@ export class CustomEditorService extends Disposable implements ICustomEditorServ return false; } + private getActiveCustomEditorUndoRedoInput(): CustomEditorUndoRedoInput | undefined { + const activeEditor = this.editorService.activeEditor; + if (activeEditor instanceof CustomEditorInput || activeEditor instanceof CustomEditorDiffInput || activeEditor instanceof CustomEditorSideBySideDiffInput) { + return activeEditor; + } + if (activeEditor instanceof DiffEditorInput && activeEditor.modified instanceof CustomEditorSideBySideDiffInput) { + return activeEditor.modified; + } + return undefined; + } + private registerContributionPoints(): void { // Clear all previous contributions we know this._editorResolverDisposables.clear(); From fdf2e9ad7f425101b787fff7438defb10b0a4e69 Mon Sep 17 00:00:00 2001 From: Matt Bierner <12821956+mjbvz@users.noreply.github.com> Date: Mon, 4 May 2026 23:08:01 -0700 Subject: [PATCH 04/11] Don't show extra save dialog when switching dirty editor to md preview Fixes #314327 --- .../browser/parts/editor/editorCommands.ts | 37 ++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) diff --git a/src/vs/workbench/browser/parts/editor/editorCommands.ts b/src/vs/workbench/browser/parts/editor/editorCommands.ts index 1e8e77248c10e2..e6a2e1984587b6 100644 --- a/src/vs/workbench/browser/parts/editor/editorCommands.ts +++ b/src/vs/workbench/browser/parts/editor/editorCommands.ts @@ -37,7 +37,10 @@ import { mainWindow } from '../../../../base/browser/window.js'; import { IEditorResolverService } from '../../../services/editor/common/editorResolverService.js'; import { IEditorService, SIDE_GROUP } from '../../../services/editor/common/editorService.js'; import { IPathService } from '../../../services/path/common/pathService.js'; +import { ITextFileService } from '../../../services/textfile/common/textfiles.js'; import { IUntitledTextEditorService } from '../../../services/untitled/common/untitledTextEditorService.js'; +import { IWorkingCopyEditorService } from '../../../services/workingCopy/common/workingCopyEditorService.js'; +import { IWorkingCopyService } from '../../../services/workingCopy/common/workingCopyService.js'; import { DIFF_FOCUS_OTHER_SIDE, DIFF_FOCUS_PRIMARY_SIDE, DIFF_FOCUS_SECONDARY_SIDE, registerDiffEditorCommands } from './diffEditorCommands.js'; import { IResolvedEditorCommandsContext, resolveCommandsContext } from './editorCommandsContext.js'; import { prepareMoveCopyEditors } from './editor.js'; @@ -950,6 +953,9 @@ function registerCloseEditorCommands() { const editorService = accessor.get(IEditorService); const editorResolverService = accessor.get(IEditorResolverService); const telemetryService = accessor.get(ITelemetryService); + const textFileService = accessor.get(ITextFileService); + const workingCopyService = accessor.get(IWorkingCopyService); + const workingCopyEditorService = accessor.get(IWorkingCopyEditorService); const resolvedContext = resolveCommandsContext(args, editorService, accessor.get(IEditorGroupsService), accessor.get(IListService)); const editorReplacements = new Map(); @@ -974,10 +980,39 @@ function registerCloseEditorCommands() { editorReplacements.set(group, editorReplacementsInGroup); } + // Force replace when closing the editor without saving cannot + // lose data. This is the case when the dirty state lives in a + // working copy whose lifetime is independent of the editor: + // `TextFileEditorModel`s and `UntitledTextEditorModel`s are + // kept alive while dirty by their owning service. + // + // This way switching between a text editor and a text-document + // based custom editor (such as the Markdown preview) for the + // same resource does not trigger a save dialog. + // + // Custom-document custom editors (e.g. hex editors) maintain + // their dirty state in a working copy whose lifetime is tied + // to the editor input, so we must not skip the save prompt + // for those — detect this by looking for any dirty working + // copy that backs this editor at a different resource. + const resource = editorToResolve.resource; + let forceReplaceDirty = !!resource && (resource.scheme === Schemas.untitled || textFileService.isDirty(resource)); + if (forceReplaceDirty && editorToResolve.isDirty()) { + for (const workingCopy of workingCopyService.dirtyWorkingCopies) { + if (isEqual(workingCopy.resource, resource)) { + continue; // working copy at the editor's own resource is text-based and survives close + } + if (workingCopyEditorService.findEditor(workingCopy)?.editor === editorToResolve) { + forceReplaceDirty = false; + break; + } + } + } + editorReplacementsInGroup.push({ editor: editor, replacement: resolvedEditor.editor, - forceReplaceDirty: editorToResolve.resource?.scheme === Schemas.untitled, + forceReplaceDirty, options: resolvedEditor.options }); From dea0d3c24a0a73c6d7f6ff9d1191d37099f5180a Mon Sep 17 00:00:00 2001 From: Tyler James Leonhardt <2644648+TylerLeonhardt@users.noreply.github.com> Date: Tue, 5 May 2026 00:34:01 -0700 Subject: [PATCH 05/11] =?UTF-8?q?agentHost/claude:=20Phase=206=20=E2=80=94?= =?UTF-8?q?=20sendMessage,=20single-turn,=20no=20tools=20(#314216)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * agentHost/claude: post-Phase-4 cleanup - roadmap.md: mark Phase 4 as DONE, link merged PR #313780. - phase4-plan.md: record live-system smoke completion in §7.8; disabled-gate run skipped (covered by unit tests + env-var guard). - claudeAgent.test.ts: drop gratuitous 'as unknown as' cast in the CCAModel fixture (literal already matches CCAModelBilling exactly; plan §7.4 forbids unsafe casts in tests). * agentHost/claude: lock Phase 5 implementation plan Handoff plan for Phase 5 (replace 7 throwing stubs in claudeAgent.ts). Locked against post-PR-#313841 reality (provisional sessions, onDidMaterializeSession, 30s empty-session GC) and the IAgent contract on origin/main. Decisions captured: - Non-fork createSession is synchronous and in-memory; fork deferred to Phase 6 (throws TODO). - IClaudeAgentSdkService surface mirrors IAgent (no dir parameter on listSessions); SDK loader caches resolved module, retries on failure, logs once. - listSessions joins SDK enumeration with workbench session DB metadata via ISessionDataService; per-entry try/catch resilience. - shutdown() routes per-session teardown through the same SequencerByKey used by disposeSession() so concurrent shutdown/disposeSession cannot double-dispose a wrapper in Phase 6. - 14 unit tests defined (12 lifecycle + 2 resolved-config), including log-once contract and shutdown/disposeSession race guard. * agentHost/claude: Phase 5 — IAgent provider skeleton Lands the ClaudeAgent IAgent provider behind the 'chat.agentHost.claudeAgent.enabled' setting (env gate VSCODE_AGENT_HOST_ENABLE_CLAUDE=1). Pins @anthropic-ai/claude-agent-sdk@0.2.112 in workspace + remote/. Implemented in this phase: * createSession - non-fork, in-memory wrapper only. Honors config.session for restore. The fork path and SDK session creation are deferred to Phase 6. * listSessions - SDK is source of truth; per-session DB read is a best-effort overlay (failure never excludes an entry). * disposeSession / shutdown - routed through a per-session SequencerByKey to serialize teardown. * getDescriptor, getProtectedResources, models, onDidSessionProgress, setClientCustomizations, setClientTools, onClientToolCallComplete, setCustomizationEnabled, authenticate, respondTo*Request - minimal Phase-5 wiring. Stubbed for Phase 6 (throw async 'TODO: Phase 6'): sendMessage, abortSession, changeModel, getSessionMessages, plus the createSession fork path. Tests: 29 unit tests in claudeAgent.test.ts cover the createSession restore-id path, listSessions overlay resilience, dispose serialization, and stub surfaces. Note: provisional / onDidMaterializeSession is intentionally omitted in Phase 5 (see plan section 3.3.1) - the workbench needs an immediate sessionAdded until the agent has real materialization work, which arrives in Phase 6 alongside SDK query() startup. * agentHost/claude: Phase 6 — sendMessage, single-turn, no tools Implements the Phase 6 plan: provisional sessions materialize on first sendMessage, route a single-turn prompt through the Anthropic Claude Agent SDK's WarmQuery, and stream SDKMessages back as protocol AgentSignals via a pure mapSDKMessageToAgentSignals reducer. Tools remain denied (canUseTool: 'deny'); fork moves to Phase 6.5; Plan Mode UI moves to Phase 7. Highlights: - ClaudeAgent.sendMessage routes through _sessionSequencer to collapse concurrent first sends into one materialize + N ordered sends. - _materializeProvisional has two abort gates (post-startup + post-customizationDirectory write) so disposeSession landing mid-materialize cannot leak a WarmQuery subprocess. - ClaudeAgentSession owns the prompt iterator + per-turn deferreds; mapSDKMessageToAgentSignals is a pure reducer with state owned by the session. - IClaudeAgentSdkService gains startup() alongside listSessions(). Tests: 43 unit + 2 proxy-backed integration. Council-review fixes (C1 dispose race, C2 missing integration test, S1 cwd-less ratification) included. * agentHost/claude: address PR review (listSessions resilience, dispose abort) Two Copilot-reviewer comments on #314216: 1. listSessions: wrap _sdkService.listSessions() in try/catch. AgentService.listSessions fans out across providers via Promise.all; an SDK dynamic-import failure would otherwise nuke every other provider's session list. Now logs and returns []. 2. dispose: abort _provisionalSessions AbortControllers before super.dispose(). Previously a racing first sendMessage parked inside _writeCustomizationDirectory could pass the materialize abort gates and call _sessions.set on a disposed DisposableMap, orphaning the WarmQuery. Aborting first triggers the existing post-customization-write abort gate, which asyncDisposes the WarmQuery. Tests: 2 new regressions (listSessions empty on SDK throw; agent.dispose() during racing materialize disposes the WarmQuery). 45/45 unit + 2/2 integration pass. --- eslint.config.js | 3 +- package-lock.json | 439 +++- package.json | 1 + remote/package-lock.json | 1459 ++++++++++++- remote/package.json | 1 + .../common/claudeSessionConfigKeys.ts | 30 + .../platform/agentHost/node/agentHostMain.ts | 3 + .../agentHost/node/agentHostServerMain.ts | 3 + .../agentHost/node/claude/claudeAgent.ts | 650 +++++- .../node/claude/claudeAgentSdkService.ts | 124 ++ .../node/claude/claudeAgentSession.ts | 268 +++ .../node/claude/claudeMapSessionEvents.ts | 217 ++ .../node/claude/claudePromptResolver.ts | 74 + .../agentHost/node/claude/phase4-plan.md | 12 +- .../agentHost/node/claude/phase5-plan.md | 560 +++++ .../agentHost/node/claude/phase6-plan.md | 944 ++++++++ .../platform/agentHost/node/claude/roadmap.md | 6 +- .../platform/agentHost/node/claude/smoke.md | 127 +- .../test/node/claudeAgent.integrationTest.ts | 594 +++++ .../agentHost/test/node/claudeAgent.test.ts | 1935 ++++++++++++++++- 20 files changed, 7279 insertions(+), 171 deletions(-) create mode 100644 src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts create mode 100644 src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts create mode 100644 src/vs/platform/agentHost/node/claude/claudeAgentSession.ts create mode 100644 src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts create mode 100644 src/vs/platform/agentHost/node/claude/claudePromptResolver.ts create mode 100644 src/vs/platform/agentHost/node/claude/phase5-plan.md create mode 100644 src/vs/platform/agentHost/node/claude/phase6-plan.md create mode 100644 src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts diff --git a/eslint.config.js b/eslint.config.js index 7ff8a911059afb..dad155b9939997 100644 --- a/eslint.config.js +++ b/eslint.config.js @@ -1632,7 +1632,8 @@ export default tseslint.config( '@xterm/headless', // node module allowed even in /common/ '@vscode/tree-sitter-wasm', // used by agentHost for command auto-approval '@vscode/copilot-api', // used by agentHost for Copilot API requests - '@anthropic-ai/sdk' // used by agentHost for Anthropic API requests + '@anthropic-ai/sdk', // used by agentHost for Anthropic API requests + '@anthropic-ai/claude-agent-sdk' // used by agentHost for Claude Agent SDK session enumeration / queries ] }, { diff --git a/package-lock.json b/package-lock.json index 0617a85f4f0072..d3047822128dcf 100644 --- a/package-lock.json +++ b/package-lock.json @@ -10,6 +10,7 @@ "hasInstallScript": true, "license": "MIT", "dependencies": { + "@anthropic-ai/claude-agent-sdk": "0.2.112", "@anthropic-ai/sdk": "^0.82.0", "@github/copilot": "1.0.39", "@github/copilot-sdk": "^0.3.0", @@ -190,6 +191,53 @@ "node": ">=6.0.0" } }, + "node_modules/@anthropic-ai/claude-agent-sdk": { + "version": "0.2.112", + "resolved": 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"engines": { "node": ">=8" } @@ -15018,7 +15321,6 @@ "version": "8.4.0", "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.4.0.tgz", "integrity": "sha512-PuseHIvAnz3bjrM2rGJtSgo1zjgxapTLZ7x2pjhzWwlp4SJQgK3f3iZIQwkpEnBaKz6seKBADpM4B4ySkuYypg==", - "dev": true, "license": "MIT", "funding": { "type": "opencollective", @@ -15120,7 +15422,6 @@ "version": "5.0.1", "resolved": "https://registry.npmjs.org/pkce-challenge/-/pkce-challenge-5.0.1.tgz", "integrity": "sha512-wQ0b/W4Fr01qtpHlqSqspcj3EhBvimsdh0KlHhH8HRZnMsEa0ea2fTULOXOS9ccQr3om+GcGRk4e+isrZWV8qQ==", - "dev": true, "license": "MIT", "engines": { "node": ">=16.20.0" @@ -15374,7 +15675,6 @@ "version": "2.0.7", "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz", "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==", - "dev": true, "license": "MIT", "dependencies": { "forwarded": "0.2.0", @@ -15473,7 +15773,6 @@ "version": "6.15.1", 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"dependencies": { "isexe": "^2.0.0" }, @@ -19727,7 +20001,6 @@ "version": "3.25.2", "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.2.tgz", "integrity": "sha512-O/PgfnpT1xKSDeQYSCfRI5Gy3hPf91mKVDuYLUHZJMiDFptvP41MSnWofm8dnCm0256ZNfZIM7DSzuSMAFnjHA==", - "dev": true, "license": "ISC", "peerDependencies": { "zod": "^3.25.28 || ^4" diff --git a/package.json b/package.json index c728af3147e36c..714c22d103bdec 100644 --- a/package.json +++ b/package.json @@ -87,6 +87,7 @@ "install-latest-component-explorer": "npm install @vscode/component-explorer@next @vscode/component-explorer-cli@next && cd build/rspack && npm install @vscode/component-explorer-webpack-plugin@next @vscode/component-explorer@next && cd ../vite && npm install @vscode/component-explorer-vite-plugin@next @vscode/component-explorer@next" }, "dependencies": { + "@anthropic-ai/claude-agent-sdk": "0.2.112", "@anthropic-ai/sdk": "^0.82.0", "@github/copilot": "1.0.39", "@github/copilot-sdk": "^0.3.0", diff --git a/remote/package-lock.json b/remote/package-lock.json index 83eabd2b0bfcd2..2f2148a7ffcd07 100644 --- a/remote/package-lock.json +++ b/remote/package-lock.json @@ -8,6 +8,7 @@ "name": "vscode-reh", "version": "0.0.0", "dependencies": { + "@anthropic-ai/claude-agent-sdk": "0.2.112", "@github/copilot": "1.0.39", "@github/copilot-sdk": "^0.3.0", "@microsoft/1ds-core-js": "^3.2.13", @@ -54,6 +55,62 @@ "yazl": "^2.4.3" } }, + "node_modules/@anthropic-ai/claude-agent-sdk": { + "version": "0.2.112", + "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.2.112.tgz", + "integrity": "sha512-vMFoiDKlOive8p3tphpV1gQaaytOipwGJ+uw9mvvaLQUODSC2+fCdRDAY25i2Tsv+lOtxzXBKctmaDuWqZY7ig==", + "license": "SEE LICENSE IN README.md", + "dependencies": { + "@anthropic-ai/sdk": "^0.81.0", + "@modelcontextprotocol/sdk": "^1.29.0" + }, + "engines": { + "node": ">=18.0.0" + }, + "optionalDependencies": { + "@img/sharp-darwin-arm64": "^0.34.2", + 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"node_modules/unpipe": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", + "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==", + "license": "MIT", + "engines": { + "node": ">= 0.8" + } + }, "node_modules/util-deprecate": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", @@ -1721,6 +3125,15 @@ "uuid": "dist/bin/uuid" } }, + "node_modules/vary": { + "version": "1.1.2", + "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", + "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==", + "license": "MIT", + "engines": { + "node": ">= 0.8" + } + }, "node_modules/vscode-jsonrpc": { "version": "8.2.1", "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.2.1.tgz", @@ -1752,6 +3165,21 @@ "integrity": "sha512-n2uGbUcrjhUEBH16uGA0TvUfhWwliFZ1e3+pTjrkim1Mt7ydB41lV08aUvsi70OlzDWp6X7Bx3w/x3fAXIsN0Q==", "license": "MIT" }, + "node_modules/which": { + "version": "2.0.2", + "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz", + "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==", + "license": "ISC", + "dependencies": { + "isexe": "^2.0.0" + }, + "bin": { + "node-which": "bin/node-which" + }, + "engines": { + "node": ">= 8" + } + }, "node_modules/wrappy": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", @@ -1811,6 +3239,15 @@ "funding": { "url": "https://github.com/sponsors/colinhacks" } + }, + "node_modules/zod-to-json-schema": { + "version": "3.25.2", + "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.2.tgz", + "integrity": "sha512-O/PgfnpT1xKSDeQYSCfRI5Gy3hPf91mKVDuYLUHZJMiDFptvP41MSnWofm8dnCm0256ZNfZIM7DSzuSMAFnjHA==", + "license": "ISC", + "peerDependencies": { + "zod": "^3.25.28 || ^4" + } } } } diff --git a/remote/package.json b/remote/package.json index 1544b4c94ebd1b..9d46323882aa11 100644 --- a/remote/package.json +++ b/remote/package.json @@ -3,6 +3,7 @@ "version": "0.0.0", "private": true, "dependencies": { + "@anthropic-ai/claude-agent-sdk": "0.2.112", "@github/copilot": "1.0.39", "@github/copilot-sdk": "^0.3.0", "@microsoft/1ds-core-js": "^3.2.13", diff --git a/src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts b/src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts new file mode 100644 index 00000000000000..9319fe6a96f9e6 --- /dev/null +++ b/src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts @@ -0,0 +1,30 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +/** + * Well-known session-config keys advertised by the agent-host Claude + * provider in its `resolveSessionConfig` schema. + * + * Claude collapses the platform's two-axis approval model + * (`autoApprove` × `mode`) onto a single `permissionMode` axis matching + * the Claude SDK's native `PermissionMode` (see + * `@anthropic-ai/claude-agent-sdk` typings). The four values mirror + * the SDK's enum exactly so that the value flowing back into + * `query({ permissionMode })` requires no translation layer. + * + * The platform `Permissions` key (allow/deny tool lists) is reused + * unchanged from `platformSessionSchema` because the Claude SDK accepts + * `allowedTools` / `disallowedTools` natively. + */ +export const enum ClaudeSessionConfigKey { + /** `'permissionMode'` — Claude SDK approval mode. */ + PermissionMode = 'permissionMode', +} + +/** + * Permission-mode values advertised in the Claude session-config schema. + * Mirror of the SDK's `PermissionMode` union for protocol-stable strings. + */ +export type ClaudePermissionMode = 'default' | 'acceptEdits' | 'bypassPermissions' | 'plan'; diff --git a/src/vs/platform/agentHost/node/agentHostMain.ts b/src/vs/platform/agentHost/node/agentHostMain.ts index 972996e689e8ff..1e19f497faba05 100644 --- a/src/vs/platform/agentHost/node/agentHostMain.ts +++ b/src/vs/platform/agentHost/node/agentHostMain.ts @@ -22,6 +22,7 @@ import { IAgentHostTerminalManager } from './agentHostTerminalManager.js'; import { CopilotAgent } from './copilot/copilotAgent.js'; import { CopilotApiService, ICopilotApiService } from './shared/copilotApiService.js'; import { ClaudeAgent } from './claude/claudeAgent.js'; +import { ClaudeAgentSdkService, IClaudeAgentSdkService } from './claude/claudeAgentSdkService.js'; import { ClaudeProxyService, IClaudeProxyService } from './claude/claudeProxyService.js'; import { ProtocolServerHandler } from './protocolServerHandler.js'; import { WebSocketProtocolServer } from './webSocketTransport.js'; @@ -114,6 +115,8 @@ function startAgentHost(): void { diServices.set(ICopilotApiService, copilotApiService); const claudeProxyService = disposables.add(instantiationService.createInstance(ClaudeProxyService)); diServices.set(IClaudeProxyService, claudeProxyService); + const claudeAgentSdkService = instantiationService.createInstance(ClaudeAgentSdkService); + diServices.set(IClaudeAgentSdkService, claudeAgentSdkService); agentService = new AgentService(logService, fileService, sessionDataService, productService, gitService, rootConfigResource); const pluginManager = new AgentPluginManager(URI.file(environmentService.userDataPath), fileService, logService); diServices.set(IAgentPluginManager, pluginManager); diff --git a/src/vs/platform/agentHost/node/agentHostServerMain.ts b/src/vs/platform/agentHost/node/agentHostServerMain.ts index a04f7da1159670..2866903b19f84c 100644 --- a/src/vs/platform/agentHost/node/agentHostServerMain.ts +++ b/src/vs/platform/agentHost/node/agentHostServerMain.ts @@ -34,6 +34,7 @@ import { ServiceCollection } from '../../instantiation/common/serviceCollection. import { CopilotAgent } from './copilot/copilotAgent.js'; import { CopilotApiService, ICopilotApiService } from './shared/copilotApiService.js'; import { ClaudeAgent } from './claude/claudeAgent.js'; +import { ClaudeAgentSdkService, IClaudeAgentSdkService } from './claude/claudeAgentSdkService.js'; import { ClaudeProxyService, IClaudeProxyService } from './claude/claudeProxyService.js'; import { AgentService } from './agentService.js'; import { AgentHostEnableClaudeEnvVar } from '../common/agentService.js'; @@ -206,6 +207,8 @@ async function main(): Promise { diServices.set(ICopilotApiService, copilotApiService); const claudeProxyService = disposables.add(instantiationService.createInstance(ClaudeProxyService)); diServices.set(IClaudeProxyService, claudeProxyService); + const claudeAgentSdkService = instantiationService.createInstance(ClaudeAgentSdkService); + diServices.set(IClaudeAgentSdkService, claudeAgentSdkService); const copilotAgent = disposables.add(instantiationService.createInstance(CopilotAgent)); agentService.registerProvider(copilotAgent); log('CopilotAgent registered'); diff --git a/src/vs/platform/agentHost/node/claude/claudeAgent.ts b/src/vs/platform/agentHost/node/claude/claudeAgent.ts index 74f2c35bc67248..e60dbc6b656dcb 100644 --- a/src/vs/platform/agentHost/node/claude/claudeAgent.ts +++ b/src/vs/platform/agentHost/node/claude/claudeAgent.ts @@ -4,19 +4,34 @@ *--------------------------------------------------------------------------------------------*/ import type { CCAModel } from '@vscode/copilot-api'; +import type { Options, SDKSessionInfo, SDKUserMessage } from '@anthropic-ai/claude-agent-sdk'; +import { rgPath } from '@vscode/ripgrep'; +import { SequencerByKey } from '../../../../base/common/async.js'; +import { CancellationError } from '../../../../base/common/errors.js'; import { Emitter } from '../../../../base/common/event.js'; -import { Disposable } from '../../../../base/common/lifecycle.js'; +import { Disposable, DisposableMap } from '../../../../base/common/lifecycle.js'; import { IObservable, observableValue } from '../../../../base/common/observable.js'; +import { delimiter, dirname } from '../../../../base/common/path.js'; import { URI } from '../../../../base/common/uri.js'; +import { generateUuid } from '../../../../base/common/uuid.js'; import { localize } from '../../../../nls.js'; import { ILogService } from '../../../log/common/log.js'; import { ISyncedCustomization } from '../../common/agentPluginManager.js'; -import { AgentProvider, AgentSignal, GITHUB_COPILOT_PROTECTED_RESOURCE, IAgent, IAgentAttachment, IAgentCreateSessionConfig, IAgentCreateSessionResult, IAgentDescriptor, IAgentModelInfo, IAgentResolveSessionConfigParams, IAgentSessionConfigCompletionsParams, IAgentSessionMetadata } from '../../common/agentService.js'; +import { createSchema, platformSessionSchema, schemaProperty } from '../../common/agentHostSchema.js'; +import { ClaudePermissionMode, ClaudeSessionConfigKey } from '../../common/claudeSessionConfigKeys.js'; +import { SessionConfigKey } from '../../common/sessionConfigKeys.js'; +import { AgentProvider, AgentSession, AgentSignal, GITHUB_COPILOT_PROTECTED_RESOURCE, IAgent, IAgentAttachment, IAgentCreateSessionConfig, IAgentCreateSessionResult, IAgentDescriptor, IAgentMaterializeSessionEvent, IAgentModelInfo, IAgentResolveSessionConfigParams, IAgentSessionConfigCompletionsParams, IAgentSessionMetadata, IAgentSessionProjectInfo } from '../../common/agentService.js'; +import { ISessionDataService } from '../../common/sessionDataService.js'; import type { ResolveSessionConfigResult, SessionConfigCompletionsResult } from '../../common/state/protocol/commands.js'; import { ProtectedResourceMetadata, type ModelSelection, type ToolDefinition } from '../../common/state/protocol/state.js'; import { CustomizationRef, SessionInputResponseKind, type SessionInputAnswer, type ToolCallResult, type Turn } from '../../common/state/sessionState.js'; +import { IAgentHostGitService } from '../agentHostGitService.js'; +import { projectFromCopilotContext } from '../copilot/copilotGitProject.js'; import { ICopilotApiService } from '../shared/copilotApiService.js'; +import { IClaudeAgentSdkService } from './claudeAgentSdkService.js'; +import { ClaudeAgentSession } from './claudeAgentSession.js'; import { tryParseClaudeModelId } from './claudeModelId.js'; +import { resolvePromptToContentBlocks } from './claudePromptResolver.js'; import { IClaudeProxyHandle, IClaudeProxyService } from './claudeProxyService.js'; /** @@ -55,6 +70,34 @@ function toAgentModelInfo(m: CCAModel, provider: AgentProvider): IAgentModelInfo }; } +/** + * Phase 6: in-memory record for a provisional Claude session — one + * created via {@link ClaudeAgent.createSession} that has NOT yet seen + * its first {@link ClaudeAgent.sendMessage}. + * + * Holds: + * - `sessionId` / `sessionUri`: stable identifiers minted at create time. + * - `workingDirectory`: undefined when the caller didn't supply one + * (e.g. legacy `createSession({})` paths). Materialize fails fast if + * it's still missing then; until then a missing `cwd` is harmless + * because no SDK / DB / worktree work has happened. + * - `abortController`: single source of cancellation. Wired into + * {@link Options.abortController} at materialize and aborted by + * {@link ClaudeAgent.shutdown} / {@link ClaudeAgent.disposeSession} + * for provisional records; the materialize path defends against an + * abort racing `await sdk.startup()` (Q8 belt-and-suspenders). + * - `project`: the resolved {@link IAgentSessionProjectInfo} (if any), + * computed once at create time so duplicate `createSession` calls + * for the same URI return identical project metadata. + */ +interface IClaudeProvisionalSession { + readonly sessionId: string; + readonly sessionUri: URI; + readonly workingDirectory: URI | undefined; + readonly abortController: AbortController; + readonly project: IAgentSessionProjectInfo | undefined; +} + /** * Phase 4 skeleton {@link IAgent} provider for the Claude Agent SDK. * @@ -87,10 +130,93 @@ export class ClaudeAgent extends Disposable implements IAgent { private _githubToken: string | undefined; private _proxyHandle: IClaudeProxyHandle | undefined; + /** + * Memoized teardown promise. Set on the first call to {@link shutdown}, + * returned by every subsequent call. Mirrors `CopilotAgent.shutdown` + * at copilotAgent.ts:1246. Phase 5 has no async work so the race + * is benign, but the contract is locked now so Phase 6's real + * async teardown (Query.interrupt(), in-flight metadata writes) + * cannot regress. + */ + private _shutdownPromise: Promise | undefined; + + /** + * Live in-memory session wrappers, keyed by raw session id (not URI). + * Disposing the map disposes every wrapper still in it, so no + * additional teardown is needed in {@link dispose}. {@link createSession} + * is the only writer; {@link disposeSession} and {@link shutdown} + * remove via {@link DisposableMap.deleteAndDispose}, which is idempotent + * if the key has already been removed — the contract that prevents + * double-dispose when the two methods race. + */ + private readonly _sessions = this._register(new DisposableMap()); + + /** + * Phase 6: pending in-memory session records. A `createSession` + * (non-fork) entry lives here until the first {@link sendMessage} + * promotes it to a real {@link ClaudeAgentSession} via + * {@link _materializeProvisional}. Each entry owns an + * {@link AbortController} that is wired into {@link Options.abortController} + * at materialize time, so {@link shutdown} can abort any in-flight + * `await sdk.startup()` cleanly. + * + * Plan section 3.3: provisional state is in-memory only — NO DB write, NO + * SDK contact — until materialize. + */ + private readonly _provisionalSessions = new Map(); + + /** + * Phase 6: fired once per session when {@link _materializeProvisional} + * promotes a provisional record into a real {@link ClaudeAgentSession}. + * The {@link IAgentService} subscribes via the platform contract + * (`agentService.ts:412`) to dispatch the deferred `sessionAdded` + * notification — observers don't see the session in their list until + * persistence has settled. + */ + private readonly _onDidMaterializeSession = this._register(new Emitter()); + readonly onDidMaterializeSession = this._onDidMaterializeSession.event; + + /** + * Per-session-id serializer shared by {@link disposeSession} and + * {@link shutdown}. Phase 5 dispose work is synchronous, so the queued + * tasks resolve immediately and the sequencer is mostly a no-op. The + * routing is locked in now (per plan section 3.3.4 / section 3.3.6) so + * Phase 6's real async teardown (`Query.interrupt()`, in-flight metadata + * writes) inherits per-session serialization for free — a concurrent + * `disposeSession(uri)` already in flight is awaited before + * `shutdown()` reuses the same key. + */ + private readonly _disposeSequencer = new SequencerByKey(); + + /** + * Phase 6: per-session-id serializer for {@link sendMessage}. Held + * across both {@link _materializeProvisional} AND `entry.send()` so + * two concurrent first-message calls on the same session collapse + * into one materialize plus two ordered sends. Separate from + * {@link _disposeSequencer} so a `disposeSession` racing a first send + * still serializes against in-flight teardown without deadlocking + * inside the send sequencer (different key spaces, single + * race-resolution lattice via the underlying `AbortController`). + */ + private readonly _sessionSequencer = new SequencerByKey(); + + /** + * Per-session DB metadata key for the user-picked customization + * directory. Anchors agent customization (instructions, tools, prompts) + * to the user's original folder pick even after Phase 6+ worktree + * materialization moves the working directory. Phase 5 only reads + * this overlay in {@link listSessions}; Phase 6's `sendMessage` + * writes it on first turn and fork's `vacuumInto` carries it forward. + */ + private static readonly _META_CUSTOMIZATION_DIRECTORY = 'claude.customizationDirectory'; + constructor( @ILogService private readonly _logService: ILogService, @ICopilotApiService private readonly _copilotApiService: ICopilotApiService, @IClaudeProxyService private readonly _claudeProxyService: IClaudeProxyService, + @ISessionDataService private readonly _sessionDataService: ISessionDataService, + @IClaudeAgentSdkService private readonly _sdkService: IClaudeAgentSdkService, + @IAgentHostGitService private readonly _gitService: IAgentHostGitService, ) { super(); } @@ -168,12 +294,296 @@ export class ClaudeAgent extends Disposable implements IAgent { // #region Stubs — implemented in later phases - createSession(_config?: IAgentCreateSessionConfig): Promise { - throw new Error('TODO: Phase 5'); + async createSession(config: IAgentCreateSessionConfig = {}): Promise { + if (config.fork) { + // Fork moved to Phase 6.5: requires translating + // `config.fork.turnId` (a protocol turn ID) to an SDK message UUID + // via `sdk.getSessionMessages`. Phase 6's exit criteria explicitly + // scope fork out so the rest of sendMessage can land first. + throw new Error('TODO: Phase 6.5: fork requires message-UUID lookup via sdk.getSessionMessages'); + } + // Non-fork path: provisional. NO subprocess fork, NO worktree, NO DB + // write. Materialization happens lazily in `_materializeProvisional` + // on the first `sendMessage`; AgentService defers `sessionAdded` + // until then. + const sessionId = config.session ? AgentSession.id(config.session) : generateUuid(); + const sessionUri = AgentSession.uri(this.id, sessionId); + + // Idempotency: a duplicate `createSession` for the same URI (already + // materialized OR already provisional) returns the same URI without + // overwriting the existing record. This protects against a workbench + // retry collapsing a real session back into a provisional one. + const existingProvisional = this._provisionalSessions.get(sessionId); + if (existingProvisional) { + return { + session: existingProvisional.sessionUri, + workingDirectory: existingProvisional.workingDirectory, + provisional: true, + ...(existingProvisional.project ? { project: existingProvisional.project } : {}), + }; + } + if (this._sessions.has(sessionId)) { + return { session: sessionUri, workingDirectory: config.workingDirectory }; + } + + // Resolve git project metadata when we have a cwd. Skipped when + // `workingDirectory` is undefined — materialize will require it, + // but a tests-only path (`createSession({})`) without a cwd is + // allowed at Phase 5/6 boundaries; failing fast here would force + // every legacy test to thread a cwd through. + // + // **Deviation from plan section 3.3 (deviation D1, ratified by review).** + // The plan called for `if (!config.workingDirectory) { throw ... }` + // at create time. We accept cwd-less calls and defer the throw to + // `_materializeProvisional` instead. Trade-off: a programmer error + // (forgetting to thread cwd) surfaces at first `sendMessage` + // rather than `createSession`. This is acceptable because: + // (a) the agent host's own callers always supply cwd via folder + // pick (`agentSideEffects.ts`) — the cwd-less path only exists + // for unit tests asserting protocol-only behavior; and + // (b) materialize requires cwd anyway, so the failure mode is + // bounded and visible (no silent invalid sessions). + const project = config.workingDirectory + ? await projectFromCopilotContext({ cwd: config.workingDirectory.fsPath }, this._gitService) + : undefined; + + this._provisionalSessions.set(sessionId, { + sessionId, + sessionUri, + workingDirectory: config.workingDirectory, + abortController: new AbortController(), + project, + }); + + return { + session: sessionUri, + workingDirectory: config.workingDirectory, + provisional: true, + ...(project ? { project } : {}), + }; } - disposeSession(_session: URI): Promise { - throw new Error('TODO: Phase 5'); + /** + * Factory hook for the per-session wrapper. Tests override this to + * inject a recording subclass and observe dispose order/count without + * monkey-patching the live `_sessions` map. Mirrors CopilotAgent's + * `_createCopilotClient` pattern (`copilotAgent.ts:286`). + */ + protected _createSessionWrapper( + sessionId: string, + sessionUri: URI, + workingDirectory: URI | undefined, + warm: import('@anthropic-ai/claude-agent-sdk').WarmQuery, + abortController: AbortController, + ): ClaudeAgentSession { + return new ClaudeAgentSession( + sessionId, + sessionUri, + workingDirectory, + warm, + abortController, + this._onDidSessionProgress, + this._logService, + ); + } + + /** + * Promote a {@link IClaudeProvisionalSession} into a real + * {@link ClaudeAgentSession}. Called from {@link sendMessage} inside + * the {@link _sessionSequencer.queue} block, so concurrent first + * sends serialize naturally — exactly one materialize per session. + * + * Plan section 3.4. Failure modes: + * - Missing provisional record → programmer error, throws. + * - Missing proxy handle → caller forgot {@link authenticate}, throws. + * - Aborted before SDK init returns → dispose the {@link WarmQuery} + * and throw {@link CancellationError}. + * - Customization-directory persistence failure → fatal: dispose the + * wrapper (aborts the SDK subprocess), drop the provisional record, + * re-throw. Avoids silent half-persisted state. + */ + private async _materializeProvisional(sessionId: string): Promise { + const provisional = this._provisionalSessions.get(sessionId); + if (!provisional) { + throw new Error(`Cannot materialize unknown provisional session: ${sessionId}`); + } + if (!provisional.workingDirectory) { + throw new Error(`Cannot materialize Claude session ${sessionId}: workingDirectory is required`); + } + const proxyHandle = this._proxyHandle; + if (!proxyHandle) { + throw new Error('Claude proxy is not running; agent must be authenticated first'); + } + + const subprocessEnv = this._buildSubprocessEnv(); + // Settings env: forwarded to the Claude subprocess via the SDK's + // `Options.settings.env` channel (separate from `Options.env` which + // is the spawn env). PATH composition uses `delimiter` (`:` or `;`) + // so Windows agent hosts don't corrupt PATH on subprocess fork. + const settingsEnv: Record = { + ANTHROPIC_BASE_URL: proxyHandle.baseUrl, + ANTHROPIC_AUTH_TOKEN: `${proxyHandle.nonce}.${sessionId}`, + CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC: '1', + USE_BUILTIN_RIPGREP: '0', + PATH: `${dirname(rgPath)}${delimiter}${process.env.PATH ?? ''}`, + }; + + const options: Options = { + cwd: provisional.workingDirectory.fsPath, + executable: process.execPath as 'node', + env: subprocessEnv, + abortController: provisional.abortController, + allowDangerouslySkipPermissions: true, + canUseTool: async (_name, _input) => ({ + behavior: 'deny', + message: 'Tools are not yet enabled for this session (Phase 6).', + }), + disallowedTools: ['WebSearch'], + includeHookEvents: true, + includePartialMessages: true, + permissionMode: 'default', + sessionId, + settingSources: ['user', 'project', 'local'], + settings: { env: settingsEnv }, + systemPrompt: { type: 'preset', preset: 'claude_code' }, + stderr: data => this._logService.error(`[Claude SDK stderr] ${data}`), + }; + + const warm = await this._sdkService.startup({ options }); + + // Q8 belt-and-suspenders: the SDK's comment guarantees abort cleanup + // (sdk.d.ts:982), but if `startup()` resolved despite a racing abort, + // dispose the WarmQuery and surface cancellation. The agent has been + // shutting down while we awaited; do NOT materialize. + if (provisional.abortController.signal.aborted) { + await warm[Symbol.asyncDispose](); + throw new CancellationError(); + } + + const session = this._createSessionWrapper( + sessionId, + provisional.sessionUri, + provisional.workingDirectory, + warm, + provisional.abortController, + ); + + // Persist customization-directory metadata BEFORE firing the + // materialize event — see plan section 3.4 ordering rationale. + try { + await this._writeCustomizationDirectory(provisional.sessionUri, provisional.workingDirectory); + } catch (err) { + session.dispose(); + this._provisionalSessions.delete(sessionId); + this._logService.error(`[Claude] Failed to persist customization directory; aborting materialize`, err); + throw err; + } + + // Final pre-commit abort gate. The first abort gate above only + // catches an abort that lands while `await sdk.startup()` was in + // flight; `_writeCustomizationDirectory` is a SECOND async + // boundary where a racing `disposeSession` (which does not await + // the materialize via `_disposeSequencer` because send and dispose + // use different sequencers — plan section 3.8 / section 6) can fire between + // the SDK init and the `_sessions.set(...)` commit. Without this + // gate, the dispose returns successfully, the provisional record + // is removed, and the materialize still completes — leaking a + // WarmQuery subprocess into `_sessions` that nothing else + // references. Council-review C1. + if (provisional.abortController.signal.aborted) { + session.dispose(); + this._provisionalSessions.delete(sessionId); + throw new CancellationError(); + } + + this._sessions.set(sessionId, session); + this._provisionalSessions.delete(sessionId); + + this._onDidMaterializeSession.fire({ + session: provisional.sessionUri, + workingDirectory: provisional.workingDirectory, + project: provisional.project, + }); + + return session; + } + + /** + * Build the {@link Options.env} payload for the Claude subprocess. + * + * The agent host runs in an Electron utility process; the spawn env + * inherits the parent's env which contains `NODE_OPTIONS`, + * `ELECTRON_*`, and `VSCODE_*` variables that break the Claude + * subprocess (it's a plain Node script driven by Electron's + * `process.execPath` + `ELECTRON_RUN_AS_NODE`). Strip them via + * {@link Options.env} `undefined` semantics (sdk.d.ts:1075-1078: + * "Set a key to `undefined` to remove an inherited variable"). + * + * Mirror of CopilotAgent's strip pattern at copilotAgent.ts:434-450. + */ + private _buildSubprocessEnv(): Record { + const env: Record = { + ELECTRON_RUN_AS_NODE: '1', + NODE_OPTIONS: undefined, + ANTHROPIC_API_KEY: undefined, + }; + for (const key of Object.keys(process.env)) { + if (key === 'ELECTRON_RUN_AS_NODE') { continue; } + if (key.startsWith('VSCODE_') || key.startsWith('ELECTRON_')) { + env[key] = undefined; + } + } + return env; + } + + /** + * Persist the user's customization-directory pick to the per-session + * DB so {@link listSessions} can surface it (and Phase 6+ worktree + * materialization can still find the original folder). Mirrors + * CopilotAgent's `_storeSessionMetadata` pattern. + */ + private async _writeCustomizationDirectory(session: URI, workingDirectory: URI): Promise { + const dbRef = this._sessionDataService.openDatabase(session); + try { + await dbRef.object.setMetadata( + ClaudeAgent._META_CUSTOMIZATION_DIRECTORY, + workingDirectory.toString(), + ); + } finally { + dbRef.dispose(); + } + } + + disposeSession(session: URI): Promise { + // Routed through {@link _disposeSequencer} so a concurrent + // {@link shutdown} already serializing teardown for this same + // session id awaits this work first (and vice versa). Phase 6 + // adds a provisional branch: when the session has not yet been + // materialized, abort the controller (unblocks any racing + // `await sdk.startup()`) and drop the record. No SDK contact, + // no DB write — symmetric with `createSession`. + const sessionId = AgentSession.id(session); + return this._disposeSequencer.queue(sessionId, async () => { + const provisional = this._provisionalSessions.get(sessionId); + if (provisional) { + provisional.abortController.abort(); + this._provisionalSessions.delete(sessionId); + return; + } + this._sessions.deleteAndDispose(sessionId); + }); + } + + /** + * Test-only accessor for the materialized {@link ClaudeAgentSession}. + * Phase 6 section 5.1 Test 10 needs to inspect `_isResumed` directly because + * Phase 6 has no teardown+recreate flow yet to observe its effect + * (the flag drives `Options.resume = sessionId` in Phase 7+). Marked + * `ForTesting` so the production surface stays unaware of its + * existence; the protocol surface (`IAgent`) does not include it. + */ + getSessionForTesting(session: URI): ClaudeAgentSession | undefined { + return this._sessions.get(AgentSession.id(session)); } /** @@ -181,27 +591,195 @@ export class ClaudeAgent extends Disposable implements IAgent { * Phase 13; the bare method shape is required by {@link IAgent}. */ getSessionMessages(_session: URI): Promise { - throw new Error('TODO: Phase 5'); + // Phase 5 has nothing to reconstruct: there is no SDK Query + // running yet and no event log on disk has been read. The agent + // service surfaces in-memory provisional turns until Phase 13 + // implements transcript reconstruction from the SDK event log. + // A fresh array per call avoids leaking mutations across + // subscribers. + return Promise.resolve([]); } - listSessions(): Promise { - throw new Error('TODO: Phase 5'); + async listSessions(): Promise { + // Plan section 3.3.2: SDK is the source of truth; the per-session DB + // is a pure overlay/cache for Claude-namespaced fields like + // `customizationDirectory`. We deliberately do NOT filter + // entries that lack a DB — external Claude Code CLI sessions + // have no DB and must still surface (Phase-5 exit criterion). + // + // Each per-session overlay read is independently try/caught so a + // single corrupt DB cannot poison the wider listing. CopilotAgent's + // `Promise.all`-with-throwing-mapper pattern at copilotAgent.ts:519 + // has a latent bug; we follow AgentService.listSessions's resilient + // pattern (`agentService.ts:188-204`) instead. + // + // `AgentService.listSessions` fans out across all providers via + // `Promise.all` (agentService.ts:202-204). If our SDK dynamic + // import fails (corrupt install, missing optional dep) and we let + // it reject, *every* provider's session list disappears — the + // sibling Copilot provider gets nuked too. Catch and log instead. + let sdkEntries: readonly SDKSessionInfo[]; + try { + sdkEntries = await this._sdkService.listSessions(); + } catch (err) { + this._logService.warn('[Claude] SDK listSessions failed; surfacing empty list', err); + return []; + } + return Promise.all(sdkEntries.map(async entry => { + try { + const sessionUri = AgentSession.uri(this.id, entry.sessionId); + const dbRef = await this._sessionDataService.tryOpenDatabase(sessionUri); + if (dbRef) { + try { + const raw = await dbRef.object.getMetadata(ClaudeAgent._META_CUSTOMIZATION_DIRECTORY); + return this._toAgentSessionMetadata(entry, { + customizationDirectory: raw ? URI.parse(raw) : undefined, + }); + } finally { + dbRef.dispose(); + } + } + } catch (err) { + this._logService.warn(`[Claude] Overlay read failed for session ${entry.sessionId}`, err); + } + // External session, or DB read failed: surface what the SDK gave us. + return this._toAgentSessionMetadata(entry, {}); + })); + } + + private _toAgentSessionMetadata(entry: SDKSessionInfo, overlay: { customizationDirectory?: URI }): IAgentSessionMetadata { + return { + session: AgentSession.uri(this.id, entry.sessionId), + startTime: entry.createdAt ?? entry.lastModified, + modifiedTime: entry.lastModified, + summary: entry.customTitle ?? entry.summary, + workingDirectory: entry.cwd ? URI.file(entry.cwd) : undefined, + customizationDirectory: overlay.customizationDirectory, + }; } resolveSessionConfig(_params: IAgentResolveSessionConfigParams): Promise { - throw new Error('TODO: Phase 5'); + // Decision B5 (plan section 3.3.5): Claude collapses the platform's + // `autoApprove` × `mode` two-axis approval surface onto a single + // `permissionMode` axis matching the SDK's native enum. The + // platform `Permissions` key is reused unchanged because the + // Claude SDK accepts `allowedTools` / `disallowedTools` + // natively. Skipped: AutoApprove, Mode, Isolation, Branch, + // BranchNameHint — workbench pickers key off the property names + // to decide what to render, so omitting these intentionally + // suppresses the default mode/branch UI for Claude sessions. + const sessionSchema = createSchema({ + [ClaudeSessionConfigKey.PermissionMode]: schemaProperty({ + type: 'string', + title: localize('claude.sessionConfig.permissionMode', "Approvals"), + description: localize('claude.sessionConfig.permissionModeDescription', "How Claude handles tool approvals."), + enum: ['default', 'acceptEdits', 'bypassPermissions', 'plan'], + enumLabels: [ + localize('claude.sessionConfig.permissionMode.default', "Ask Each Time"), + localize('claude.sessionConfig.permissionMode.acceptEdits', "Auto-Approve Edits"), + localize('claude.sessionConfig.permissionMode.bypassPermissions', "Bypass Approvals"), + localize('claude.sessionConfig.permissionMode.plan', "Plan Only (Read-Only)"), + ], + enumDescriptions: [ + localize('claude.sessionConfig.permissionMode.defaultDescription', "Prompt for every tool call."), + localize('claude.sessionConfig.permissionMode.acceptEditsDescription', "Auto-approve file edits; prompt for shell and other tools."), + localize('claude.sessionConfig.permissionMode.bypassPermissionsDescription', "Auto-approve every tool call."), + localize('claude.sessionConfig.permissionMode.planDescription', "Read-only research mode; no tool calls executed."), + ], + default: 'default', + sessionMutable: true, + }), + [SessionConfigKey.Permissions]: platformSessionSchema.definition[SessionConfigKey.Permissions], + }); + + const values = sessionSchema.validateOrDefault(_params.config, { + [ClaudeSessionConfigKey.PermissionMode]: 'default' satisfies ClaudePermissionMode, + // Permissions intentionally omitted from defaults — leave + // unset so auto-approval falls through to the host-level + // default, materializing on the session only once the user + // approves a tool "in this Session". + }); + + return Promise.resolve({ + schema: sessionSchema.toProtocol(), + values, + }); } sessionConfigCompletions(_params: IAgentSessionConfigCompletionsParams): Promise { - throw new Error('TODO: Phase 5'); + // Plan section 3.3.5: Claude's only schema property is the + // `permissionMode` static enum, so dynamic completion is + // definitionally empty in Phase 5. Branch completion lands in + // Phase 6 once worktree extraction (section 8) is settled. + return Promise.resolve({ items: [] }); } shutdown(): Promise { - throw new Error('TODO: Phase 5'); + // Phase 6: drain provisional sessions FIRST so any in-flight + // `await sdk.startup()` (kicked off by a racing `sendMessage`) + // observes the abort and unwinds. Each provisional record's + // AbortController is wired into Options.abortController at + // materialize time, so aborting here flips the same signal the + // SDK is racing on. + // + // Then drain the materialized sessions through the existing + // per-session {@link _disposeSequencer} routing — that path + // inherits Phase 6's real async teardown (`Query.interrupt()`, + // in-flight metadata writes) once those land. + // + // The promise is memoized so concurrent callers share a single + // drain pass — see `_shutdownPromise` JSDoc. + // NOTE: declared sync (returns Promise) rather than async + // so that re-entrant calls return the cached promise *identity*, + // not a fresh outer-async wrapper around it. + return this._shutdownPromise ??= (async () => { + for (const provisional of this._provisionalSessions.values()) { + provisional.abortController.abort(); + } + this._provisionalSessions.clear(); + + const sessionIds = [...this._sessions.keys()]; + await Promise.all(sessionIds.map(sessionId => + this._disposeSequencer.queue(sessionId, async () => { + this._sessions.deleteAndDispose(sessionId); + }) + )); + })(); } - sendMessage(_session: URI, _prompt: string, _attachments?: IAgentAttachment[], _turnId?: string): Promise { - throw new Error('TODO: Phase 6'); + async sendMessage(session: URI, prompt: string, attachments?: IAgentAttachment[], turnId?: string): Promise { + // Plan section 3.8. The sequencer scope holds across BOTH materialize + // and `entry.send` so two concurrent first-message calls on the + // same session collapse into one materialize plus two ordered + // sends. A `disposeSession` racing a first send reaches its own + // dispose-sequencer eventually but the in-flight materialize + // completes first. + const sessionId = AgentSession.id(session); + // `IAgent.sendMessage` declares `turnId?` (agentService.ts:424) but + // every production caller in `AgentSideEffects` supplies one. Generate + // a fallback so the session-side `QueuedRequest.turnId: string` + // invariant holds even if a hypothetical caller forgets it. + const effectiveTurnId = turnId ?? generateUuid(); + return this._sessionSequencer.queue(sessionId, async () => { + let entry = this._sessions.get(sessionId); + if (!entry) { + if (this._provisionalSessions.has(sessionId)) { + entry = await this._materializeProvisional(sessionId); + } else { + throw new Error(`Cannot send to unknown session: ${sessionId}`); + } + } + + const contentBlocks = resolvePromptToContentBlocks(prompt, attachments); + const sdkPrompt: SDKUserMessage = { + type: 'user', + message: { role: 'user', content: contentBlocks }, + session_id: sessionId, + parent_tool_use_id: null, + }; + + await entry.send(sdkPrompt, effectiveTurnId); + }); } respondToPermissionRequest(_requestId: string, _approved: boolean): void { @@ -212,11 +790,13 @@ export class ClaudeAgent extends Disposable implements IAgent { throw new Error('TODO: Phase 7'); } - abortSession(_session: URI): Promise { + async abortSession(_session: URI): Promise { + // `async` for the same reason as `sendMessage` — abort flows through + // `.catch()` chains in the agent service. throw new Error('TODO: Phase 9'); } - changeModel(_session: URI, _model: ModelSelection): Promise { + async changeModel(_session: URI, _model: ModelSelection): Promise { throw new Error('TODO: Phase 9'); } @@ -239,17 +819,39 @@ export class ClaudeAgent extends Disposable implements IAgent { // #endregion override dispose(): void { - // Phase 6+ INVARIANT: SDK subprocess(es) MUST be killed BEFORE the - // proxy handle is disposed. After dispose the proxy may rebind on - // a different port and the subprocess would silently lose its - // endpoint. See `IClaudeProxyHandle` doc in `claudeProxyService.ts`. - // In Phase 4 there are no subprocesses, so this ordering is moot — - // but the comment is mandatory so future contributors don't break - // it when they wire the SDK in. + // Phase 6+ INVARIANT: SDK Query subprocesses (owned by individual + // ClaudeAgentSession wrappers) MUST die BEFORE the proxy handle + // is disposed. After proxy disposal the proxy may rebind on a + // different port and a still-running subprocess would silently + // lose its endpoint. See `IClaudeProxyHandle` doc in + // `claudeProxyService.ts`. + // + // Step 1: abort every provisional AbortController. These are + // the same controllers wired into `Options.abortController` at + // materialize time (sdk.d.ts:982), so any in-flight + // `await sdk.startup()` will reject and any sequencer-queued + // `_materializeProvisional` continuation will trip its + // post-startup or post-customization-write abort gates, + // disposing the WarmQuery without ever reaching + // `_sessions.set(...)`. Without this step, dispose during a + // concurrent first `sendMessage` could orphan a WarmQuery + // subprocess. (Copilot reviewer: dispose lifecycle.) + // + // Step 2: `super.dispose()` synchronously disposes the + // `_sessions` DisposableMap, firing each session wrapper's + // `dispose()` (which interrupts/asyncDisposes its WarmQuery). + // + // Step 3: only then release the proxy handle, preserving the + // wrapper-before-proxy ordering invariant. This is locked by + // test "dispose disposes the proxy handle and is idempotent". + for (const provisional of this._provisionalSessions.values()) { + provisional.abortController.abort(); + } + this._provisionalSessions.clear(); + super.dispose(); this._proxyHandle?.dispose(); this._proxyHandle = undefined; this._githubToken = undefined; this._models.set([], undefined); - super.dispose(); } } diff --git a/src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts b/src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts new file mode 100644 index 00000000000000..90b9b94e7b105d --- /dev/null +++ b/src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts @@ -0,0 +1,124 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import type { ListSessionsOptions, Options, SDKSessionInfo, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; +import { createDecorator } from '../../../instantiation/common/instantiation.js'; +import { ILogService } from '../../../log/common/log.js'; + +export const IClaudeAgentSdkService = createDecorator('claudeAgentSdkService'); + +/** + * Lazy wrapper over `@anthropic-ai/claude-agent-sdk` for the agent host + * Claude provider. The interface grows phase-by-phase; Phase 5 introduces + * the decorator so {@link import('./claudeAgent.js').ClaudeAgent} can take + * it as a constructor dependency. Phase 6 adds {@link startup} for + * materialization. Method surfaces are added in subsequent slices alongside + * the tests that exercise them. + */ +export interface IClaudeAgentSdkService { + readonly _serviceBrand: undefined; + + /** + * Enumerates persisted Claude sessions surfaced by the SDK's filesystem + * scan. Phase 5 mirrors `IAgent.listSessions()` (no `dir` parameter): + * the host translates this internally to `sdk.listSessions(undefined)`. + * + * Failures (corrupt module, postinstall mishap) reject with the SDK + * loader's diagnostic. Callers MUST tolerate rejection without + * collapsing the wider listing pipeline. + */ + listSessions(): Promise; + + /** + * Pre-warms the SDK subprocess and runs the init handshake. Returns + * a {@link WarmQuery} whose `.query(promptIterable)` binds the + * prompt iterable and returns a streaming `Query`. Aborting + * `options.abortController` either rejects this promise (if init is + * in flight) or causes the resulting Query to clean up resources + * (sdk.d.ts section `startup`). + * + * Phase 6 calls this from {@link ClaudeAgent._materializeProvisional} + * on the first `sendMessage`. Firing `onDidMaterializeSession` is + * deliberately deferred until after the await resolves so AgentService + * can atomically dispatch the deferred `sessionAdded` notification. + */ + startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; +} + +/** + * Narrowed structural slice of `@anthropic-ai/claude-agent-sdk` covering + * exactly the bindings the agent host pulls from the SDK. Production + * `import()` returns the full module which is structurally assignable to + * this interface; tests subclass {@link ClaudeAgentSdkService} and + * override {@link ClaudeAgentSdkService._loadSdk} to fault or stub these + * bindings without having to name every export of the SDK module. + */ +export interface IClaudeSdkBindings { + listSessions(options?: ListSessionsOptions): Promise; + startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; +} + +/** + * Production implementation. The SDK module is loaded lazily via dynamic + * `import()` because it pulls in non-trivial deps that aren't relevant + * unless the user has opted into the Claude agent. + * + * The loader's caching / log-once-on-failure semantics are locked by the + * dedicated test in {@link import('../../test/node/claudeAgent.test.ts')}, + * which subclasses this and overrides {@link _loadSdk} to fault on demand. + * That's why {@link _loadSdk} is `protected` rather than `private`. + */ +export class ClaudeAgentSdkService implements IClaudeAgentSdkService { + declare readonly _serviceBrand: undefined; + + /** + * Cached resolved bindings. We deliberately cache the *resolved* value, + * not the in-flight promise — if a transient `import()` failure recovers + * (e.g. user fixes a broken `node_modules`), the next call retries. + * Mirrors the convention in `agentHostTerminalManager.ts` for `node-pty`. + */ + private _sdkModule: IClaudeSdkBindings | undefined; + + /** + * Latched once we've logged a load failure, so a corrupt postinstall + * doesn't flood `error` events on every `listSessions()` call (each + * workbench refresh and session-list rerender hits this path). + */ + private _firstLoadFailureLogged = false; + + constructor( + @ILogService private readonly _logService: ILogService, + ) { } + + async listSessions(): Promise { + const sdk = await this._getSdk(); + return sdk.listSessions(undefined); + } + + async startup(params: { options: Options; initializeTimeoutMs?: number }): Promise { + const sdk = await this._getSdk(); + return sdk.startup(params); + } + + private async _getSdk(): Promise { + if (this._sdkModule) { + return this._sdkModule; + } + try { + this._sdkModule = await this._loadSdk(); + return this._sdkModule; + } catch (err) { + if (!this._firstLoadFailureLogged) { + this._firstLoadFailureLogged = true; + this._logService.error('[Claude] Failed to load @anthropic-ai/claude-agent-sdk', err); + } + throw err; + } + } + + protected async _loadSdk(): Promise { + return import('@anthropic-ai/claude-agent-sdk'); + } +} diff --git a/src/vs/platform/agentHost/node/claude/claudeAgentSession.ts b/src/vs/platform/agentHost/node/claude/claudeAgentSession.ts new file mode 100644 index 00000000000000..92939db34ed2b3 --- /dev/null +++ b/src/vs/platform/agentHost/node/claude/claudeAgentSession.ts @@ -0,0 +1,268 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import type { Query, SDKMessage, SDKUserMessage, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; +import { DeferredPromise } from '../../../../base/common/async.js'; +import { CancellationError } from '../../../../base/common/errors.js'; +import { Emitter } from '../../../../base/common/event.js'; +import { Disposable, toDisposable } from '../../../../base/common/lifecycle.js'; +import { URI } from '../../../../base/common/uri.js'; +import { ILogService } from '../../../log/common/log.js'; +import { AgentSignal } from '../../common/agentService.js'; +import { IClaudeMapperState, mapSDKMessageToAgentSignals } from './claudeMapSessionEvents.js'; + +/** + * One in-flight {@link send} request. Length of {@link ClaudeAgentSession._inFlightRequests} + * is at most 1 in Phase 6 thanks to the per-session sequencer in `ClaudeAgent`, + * but the queue shape is preserved so Phase 7+ tools (intra-turn waits) + * can extend without reshaping the loop. + */ +interface IQueuedRequest { + readonly prompt: SDKUserMessage; + readonly deferred: DeferredPromise; + /** + * Required (non-optional). The agent's `sendMessage` accepts + * `turnId?: string` (`agentService.ts:424`); `ClaudeAgent.sendMessage` + * generates a UUID if absent before forwarding here, so by the time + * a request reaches the session it always carries a turn id. The + * mapper depends on this for `SessionAction.turnId` population. + */ + readonly turnId: string; +} + +/** + * Per-session SDK Query owner. + * + * Holds the {@link WarmQuery}, the bound {@link Query}, the + * per-session {@link AbortController}, the prompt iterable, and the + * in-flight request queue. Disposing the session aborts the controller + * which (per `sdk.d.ts:982`) terminates the SDK subprocess; the + * WarmQuery is also explicitly disposed so any pending native handles + * release. + * + * Plan section 3.5. Phase 6 deliberately keeps the message → signal mapping + * out of this class — see `claudeMapSessionEvents.ts` (added Cycle 6). + * Cycle 3 lands the bare consumer loop: drain the SDK iterator, + * complete the in-flight deferred on `result`. Subsequent cycles add + * the mapper call and the `_isResumed` / fatal-error / cancellation + * branches. + */ +export class ClaudeAgentSession extends Disposable { + + /** + * SDK Query handle. Bound on the first {@link send} call (so every + * subsequent send pushes onto the same prompt iterable rather than + * spawning a new query). Phase 6 binds exactly once. + */ + private _query: Query | undefined; + + /** + * Wakes the prompt iterable's `next()` when a new prompt arrives or + * on abort. Replaced on every consumed prompt. + */ + private _pendingPromptDeferred = new DeferredPromise(); + + /** + * FIFO of in-flight requests. Length at most 1 in Phase 6 due to the + * agent-side `_sessionSequencer`. The mapper reads + * `_inFlightRequests[0]?.turnId` to populate `SessionAction.turnId` + * — only valid because of the single-in-flight invariant. + */ + private _inFlightRequests: IQueuedRequest[] = []; + + /** + * Prompts pushed by {@link send}, drained by the prompt iterable. + * Separate from {@link _inFlightRequests} because the iterable's + * consumer loop pops from here while the result-completion loop + * pops from the in-flight list. + */ + private _queuedPrompts: SDKUserMessage[] = []; + + /** + * Mutable state threaded into {@link mapSDKMessageToAgentSignals}. + * Lives on the session (not the mapper module) so that concurrent + * sessions don't cross-contaminate part-id allocations. + */ + private readonly _mapperState: IClaudeMapperState = { currentBlockParts: new Map() }; + + /** + * Flips to `true` on the first `system:init` SDK message. Phase 7+ + * teardown+recreate flows pass `Options.resume = sessionId` to the + * SDK on a recreated session iff `_isResumed === true`, signalling + * the SDK to reuse the existing transcript. Phase 6 only sets the + * flag — no recreate flow exists yet. + */ + private _isResumed = false; + + get isResumed(): boolean { + return this._isResumed; + } + + /** + * Latched once {@link _processMessages} terminates with an error + * (cancellation, transport failure, malformed SDK output). Every + * pending in-flight deferred is rejected with the same error, and + * subsequent {@link send} calls fast-fail with this latched value + * instead of parking on a dead query. Phase 7+ teardown+recreate + * flows clear this when the session is re-bound. + */ + private _fatalError: Error | undefined; + + constructor( + readonly sessionId: string, + readonly sessionUri: URI, + readonly workingDirectory: URI | undefined, + private readonly _warm: WarmQuery, + private readonly _abortController: AbortController, + private readonly _onDidSessionProgress: Emitter, + private readonly _logService: ILogService, + ) { + super(); + // Dispose chain → abort → SDK cleanup (sdk.d.ts:982). + this._register(toDisposable(() => this._abortController.abort())); + // Wake any parked prompt iterator so it can return `{ done: true }`. + this._abortController.signal.addEventListener('abort', () => { + this._pendingPromptDeferred.complete(); + }, { once: true }); + // The WarmQuery owns disposable resources (subprocess handle, etc.). + // The dispose path is async but VS Code's lifecycle is sync — fire + // and forget; log failures so a leaked handle surfaces. The SDK + // types `Symbol.asyncDispose()` as `PromiseLike`, so wrap in + // `Promise.resolve` to get `.catch`. + this._register(toDisposable(() => { + void Promise.resolve(this._warm[Symbol.asyncDispose]()).catch((err: unknown) => + this._logService.warn(`[ClaudeAgentSession] WarmQuery dispose failed: ${err}`)); + })); + } + + /** + * Push a prompt onto the queue and await the turn's completion (the + * `result` SDKMessage). The first call also binds the prompt iterable + * to the WarmQuery and kicks off the consumer loop. + */ + async send(prompt: SDKUserMessage, turnId: string): Promise { + if (this._fatalError) { + // Fast-fail: a previous turn crashed `_processMessages`. The + // query and prompt iterable are already torn down, so a new + // `send` here would push onto a dead pipe and park forever. + throw this._fatalError; + } + if (this._abortController.signal.aborted) { + throw new CancellationError(); + } + if (!this._query) { + this._query = this._warm.query(this._createPromptIterable()); + // Fire-and-forget: errors propagate via the in-flight deferred + // (rejected by `_processMessages`'s catch latch) and are + // re-logged here as a belt-and-suspenders for the no-inflight + // case (e.g. a stream that errors before the first send). + void this._processMessages().catch(err => + this._logService.error(`[ClaudeAgentSession] _processMessages crashed: ${err}`)); + } + const deferred = new DeferredPromise(); + this._inFlightRequests.push({ prompt, deferred, turnId }); + this._queuedPrompts.push(prompt); + this._pendingPromptDeferred.complete(); + return deferred.p; + } + + /** + * Build the prompt iterable bound to {@link WarmQuery.query}. + * Each `next()` parks on {@link _pendingPromptDeferred} until either + * a prompt arrives ({@link send}) or the controller aborts. + */ + private _createPromptIterable(): AsyncIterable { + return { + [Symbol.asyncIterator]: () => ({ + next: async () => { + while (this._queuedPrompts.length === 0) { + if (this._abortController.signal.aborted) { + return { done: true, value: undefined }; + } + await this._pendingPromptDeferred.p; + this._pendingPromptDeferred = new DeferredPromise(); + } + return { done: false, value: this._queuedPrompts.shift()! }; + }, + }), + }; + } + + /** + * Consumer loop. Drains the SDK iterator, calls the pure mapper to + * convert each {@link SDKMessage} into {@link AgentSignal}s, fires + * them through `_onDidSessionProgress`, and completes the in-flight + * deferred on `result`. The mapper is called inside a try/catch so a + * single malformed SDK message can't kill the turn. + * + * On any uncaught error (cancellation, transport failure, or the + * post-loop "stream ended without result" guard) the catch block + * latches {@link _fatalError}, rejects every pending in-flight + * deferred with the same error, and rethrows so the void wrapper in + * {@link send} logs it. The latch ensures subsequent {@link send} + * calls fast-fail instead of parking on a dead query. + */ + private async _processMessages(): Promise { + const query = this._query; + if (!query) { + throw new Error('ClaudeAgentSession._processMessages called before query was bound'); + } + try { + for await (const message of query) { + if (this._abortController.signal.aborted) { + throw new CancellationError(); + } + if (message.type === 'system' && message.subtype === 'init' && !this._isResumed) { + this._isResumed = true; + } + // Mapper needs the current turn's `turnId`. Phase 6's + // per-session sequencer keeps `_inFlightRequests.length <= 1` + // while a turn is streaming, so the head element is the + // active turn. Skip mapping if no turn is in flight (e.g. + // the SDK emits a stray pre-prompt system message). + const turnId = this._inFlightRequests[0]?.turnId; + if (turnId !== undefined) { + try { + const signals = mapSDKMessageToAgentSignals( + message, + this.sessionUri, + turnId, + this._mapperState, + this._logService, + ); + for (const signal of signals) { + this._onDidSessionProgress.fire(signal); + } + } catch (mapperErr) { + this._logService.warn(`[ClaudeAgentSession] mapper threw, skipping message: ${mapperErr}`); + } + } + if (message.type === 'result') { + const completed = this._inFlightRequests.shift(); + completed?.deferred.complete(); + } + } + // Distinguish a cancelled stream (aborted controller drained + // the iterator cleanly) from a truly anomalous end-of-stream. + // The for-await above checks abort on each iteration, but a + // dispose racing the very last `next()` lands here. + if (this._abortController.signal.aborted) { + throw new CancellationError(); + } + throw new Error('Claude SDK stream ended without a result message'); + } catch (err) { + const fatal = err instanceof Error ? err : new Error(String(err)); + this._fatalError = fatal; + for (const req of this._inFlightRequests) { + if (!req.deferred.isSettled) { + req.deferred.error(fatal); + } + } + this._inFlightRequests = []; + throw fatal; + } + } +} + diff --git a/src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts b/src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts new file mode 100644 index 00000000000000..5fe2bf549a9733 --- /dev/null +++ b/src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts @@ -0,0 +1,217 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import type { SDKMessage } from '@anthropic-ai/claude-agent-sdk'; +import { generateUuid } from '../../../../base/common/uuid.js'; +import type { URI } from '../../../../base/common/uri.js'; +import type { ILogService } from '../../../log/common/log.js'; +import type { AgentSignal } from '../../common/agentService.js'; +import { ActionType } from '../../common/state/sessionActions.js'; +import { ResponsePartKind } from '../../common/state/sessionState.js'; + +/** + * Mutable mapping state owned by `ClaudeAgentSession` and threaded into + * {@link mapSDKMessageToAgentSignals}. Kept on the session — not in this + * module — so multiple sessions don't share state and the mapper itself + * stays a pure function. + */ +export interface IClaudeMapperState { + /** + * Maps content_block index → response part id. Populated on + * `content_block_start`, drained on `content_block_stop`, cleared on + * `message_start`. Used to route `content_block_delta` events to + * the right `SessionDelta` / `SessionReasoning` partId. + */ + readonly currentBlockParts: Map; +} + +/** + * Map one SDK message to zero or more agent signals. + * + * Pure function. All state is in {@link IClaudeMapperState}, which the + * caller owns. Tests can therefore exercise the mapper directly with a + * fake state object. + * + * Phase 6 emits: + * - {@link ActionType.SessionResponsePart} (Markdown) on + * `content_block_start` with a `text` block. + * - {@link ActionType.SessionResponsePart} (Reasoning) on + * `content_block_start` with a `thinking` block. + * - {@link ActionType.SessionDelta} on `content_block_delta` with a + * `text_delta`. + * - {@link ActionType.SessionReasoning} on `content_block_delta` with a + * `thinking_delta`. + * - {@link ActionType.SessionTurnComplete} on `result`. + * + * Reducer ordering invariant: `SessionResponsePart` MUST precede the + * first `SessionDelta` / `SessionReasoning` for that part id (see + * `actions.ts:233, 540`). This mapper allocates the part on + * `content_block_start` BEFORE any delta can arrive — deltas are + * SDK-ordered after the start — so the invariant holds by construction. + */ +export function mapSDKMessageToAgentSignals( + message: SDKMessage, + session: URI, + turnId: string, + state: IClaudeMapperState, + logService: ILogService, +): AgentSignal[] { + switch (message.type) { + case 'stream_event': + return mapStreamEvent(message.event, session, turnId, state, logService); + case 'result': + return mapResult(message, session, turnId); + default: + return []; + } +} + +function mapResult( + message: Extract, + session: URI, + turnId: string, +): AgentSignal[] { + const sessionStr = session.toString(); + const signals: AgentSignal[] = []; + if (message.subtype === 'success') { + // `modelUsage` is keyed by model name; pick the first key as the + // reported model. Phase 6 turns are single-model; multi-model + // attribution is a Phase 7+ concern. + const modelKey = Object.keys(message.modelUsage)[0]; + signals.push({ + kind: 'action', + session, + action: { + type: ActionType.SessionUsage, + session: sessionStr, + turnId, + usage: { + inputTokens: message.usage.input_tokens, + outputTokens: message.usage.output_tokens, + cacheReadTokens: message.usage.cache_read_input_tokens, + ...(modelKey ? { model: modelKey } : {}), + }, + }, + }); + } + signals.push({ + kind: 'action', + session, + action: { + type: ActionType.SessionTurnComplete, + session: sessionStr, + turnId, + }, + }); + return signals; +} + +function mapStreamEvent( + event: Extract['event'], + session: URI, + turnId: string, + state: IClaudeMapperState, + logService: ILogService, +): AgentSignal[] { + const sessionStr = session.toString(); + switch (event.type) { + case 'message_start': + state.currentBlockParts.clear(); + return []; + + case 'content_block_start': { + const block = event.content_block; + if (block.type === 'text') { + const partId = generateUuid(); + state.currentBlockParts.set(event.index, partId); + return [{ + kind: 'action', + session, + action: { + type: ActionType.SessionResponsePart, + session: sessionStr, + turnId, + part: { + kind: ResponsePartKind.Markdown, + id: partId, + content: '', + }, + }, + }]; + } + if (block.type === 'thinking') { + const partId = generateUuid(); + state.currentBlockParts.set(event.index, partId); + return [{ + kind: 'action', + session, + action: { + type: ActionType.SessionResponsePart, + session: sessionStr, + turnId, + part: { + kind: ResponsePartKind.Reasoning, + id: partId, + content: '', + }, + }, + }]; + } + // Defense in depth: `canUseTool: deny` should prevent tool_use + // from ever streaming, but if it does, skip + warn rather than + // allocating a part the reducer doesn't have a handler for. + if (block.type === 'tool_use') { + logService.warn(`[claudeMapSessionEvents] dropped streamed tool_use block at index ${event.index}`); + return []; + } + return []; + } + + case 'content_block_delta': { + const partId = state.currentBlockParts.get(event.index); + if (partId === undefined) { + return []; + } + if (event.delta.type === 'text_delta') { + return [{ + kind: 'action', + session, + action: { + type: ActionType.SessionDelta, + session: sessionStr, + turnId, + partId, + content: event.delta.text, + }, + }]; + } + if (event.delta.type === 'thinking_delta') { + return [{ + kind: 'action', + session, + action: { + type: ActionType.SessionReasoning, + session: sessionStr, + turnId, + partId, + content: event.delta.thinking, + }, + }]; + } + return []; + } + + case 'content_block_stop': + state.currentBlockParts.delete(event.index); + return []; + + case 'message_delta': + case 'message_stop': + return []; + + default: + return []; + } +} diff --git a/src/vs/platform/agentHost/node/claude/claudePromptResolver.ts b/src/vs/platform/agentHost/node/claude/claudePromptResolver.ts new file mode 100644 index 00000000000000..2c3df6b42e8d7e --- /dev/null +++ b/src/vs/platform/agentHost/node/claude/claudePromptResolver.ts @@ -0,0 +1,74 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import type Anthropic from '@anthropic-ai/sdk'; +import { URI } from '../../../../base/common/uri.js'; +import { IAgentAttachment } from '../../common/agentService.js'; +import { AttachmentType } from '../../common/state/sessionState.js'; + +/** + * Build the {@link Anthropic.ContentBlockParam}[] payload for an + * {@link SDKUserMessage} from a plain text prompt and the agent host's + * normalized attachment list. + * + * Phase 6 keeps the resolver pure and minimal: a single `text` block + * carrying the prompt, plus (when attachments are present) a second + * `text` block wrapped in `` tags listing the + * referenced URIs. This mirrors the production extension's resolver + * shape so a future phase that expands `IAgentAttachment` (binary + * images, inline range substitution) can port the existing branches + * without restructuring. + * + * **Selection branch is dead-code in Phase 6** — `AgentSideEffects` strips + * the `text` and `selection` fields from `IAgentAttachment` at the + * protocol → agent boundary (`agentSideEffects.ts:699-703`, `:934-938`), + * so the agent only ever sees `{ type, uri, displayName }`. The branch + * exists for forward-compat; activating it requires a separate change + * to the side-effects pipeline (out of Phase 6 scope). + */ +export function resolvePromptToContentBlocks( + prompt: string, + attachments?: readonly IAgentAttachment[], +): Anthropic.ContentBlockParam[] { + const blocks: Anthropic.ContentBlockParam[] = [{ type: 'text', text: prompt }]; + if (!attachments?.length) { + return blocks; + } + const refLines: string[] = []; + for (const att of attachments) { + switch (att.type) { + case AttachmentType.File: + case AttachmentType.Directory: + refLines.push(`- ${uriToString(att.uri)}`); + break; + case AttachmentType.Selection: { + const line = att.selection ? `:${att.selection.start.line + 1}` : ''; + refLines.push(`- ${uriToString(att.uri)}${line}`); + if (att.text) { + refLines.push('```'); + refLines.push(att.text); + refLines.push('```'); + } + break; + } + } + } + if (refLines.length === 0) { + return blocks; + } + blocks.push({ + type: 'text', + text: '\nThe user provided the following references:\n' + + refLines.join('\n') + + '\n\nIMPORTANT: this context may or may not be relevant to your tasks. ' + + 'You should not respond to this context unless it is highly relevant to your task.\n' + + '', + }); + return blocks; +} + +function uriToString(uri: URI): string { + return uri.scheme === 'file' ? uri.fsPath : uri.toString(); +} diff --git a/src/vs/platform/agentHost/node/claude/phase4-plan.md b/src/vs/platform/agentHost/node/claude/phase4-plan.md index 8cb809378ccb6c..6cfdd0418e0f6a 100644 --- a/src/vs/platform/agentHost/node/claude/phase4-plan.md +++ b/src/vs/platform/agentHost/node/claude/phase4-plan.md @@ -457,13 +457,13 @@ This is the proof Phase 4 actually ships. The unit tests prove the class is wire For Phase 4 specifically, the plan's per-phase table requires: -- [ ] **Gate verified disabled:** launch the Agents app *without* the env var (and with the setting off) and confirm only `CopilotAgent registered` appears in `agenthost.log` — no `ClaudeAgent registered`, no `'claude'` provider in root state. -- [ ] **Gate verified enabled:** re-launch via `launch-smoke.sh` (which sets `VSCODE_AGENT_HOST_ENABLE_CLAUDE=1`) and confirm both providers register. -- [ ] At least one `claude:/` session URI appears in the IPC log after the user picks Claude (the session URI scheme is `claude:`, **not** `agent-host-claude:` — the longer form is the synced-customization namespace, observable separately). -- [ ] The first user prompt surfaces `TODO: Phase 5` in the response area. (`createSession` is the earliest stub on the path; `sendMessage` is reached only after `createSession` succeeds, which lands in Phase 5.) -- [ ] Attach `registration.log`, `picker-open.png`, `stub-error.png`, and `claude-session-uris.log` to the PR. +- [~] **Gate verified disabled:** _skipped for the Phase 4 PR — covered by the unit-level gate test in `claudeAgent.test.ts` and the env-var guard in `agentHostMain.ts`. Re-enable for Phase 5._ +- [x] **Gate verified enabled:** re-launched via `launch-smoke.sh` (which sets `VSCODE_AGENT_HOST_ENABLE_CLAUDE=1`); both providers register. See `registration.log` (`Registering agent provider: copilotcli` + `…: claude`). +- [x] At least one `claude:/` session URI appears in the IPC log after the user picks Claude. Captured: `claude:/e32d3567-9da7-41c4-a71a-57daa0a6cf46` in `claude-session-uris.log`. +- [x] The first user prompt surfaces `TODO: Phase 5` in the response area. Captured in `todo-phase5-error.png`. +- [x] Smoke artifacts captured under `/tmp/claude-phase4-smoke//`: `registration.log`, `auth.log`, `proxy.log`, `claude-models.log` (46 Claude models), `claude-session-uris.log`, `root-state.log`, `picker-open.png`, `todo-phase5-error.png`, `smoke-summary.log`. Attach the four required artifacts (`registration.log`, `picker-open.png`, `stub-error.png`/`todo-phase5-error.png`, `claude-session-uris.log`) to the PR. -If any step in §7.8 fails, the PR is **not** ready regardless of whether §7.1–7.7 are green. +**Live-smoke completed: 2026-05-01.** All required Phase 4 invariants verified except the optional disabled-gate run (deferred — see above). ## 8. Resolved decisions diff --git a/src/vs/platform/agentHost/node/claude/phase5-plan.md b/src/vs/platform/agentHost/node/claude/phase5-plan.md new file mode 100644 index 00000000000000..9478ed302d6bba --- /dev/null +++ b/src/vs/platform/agentHost/node/claude/phase5-plan.md @@ -0,0 +1,560 @@ +# Phase 5 Implementation Plan — `ClaudeAgent` session lifecycle + +> **Handoff plan** — written to be executed by an agent with no prior conversation context. All file paths and line citations are verified against the workspace at synthesis time. Cross-reference [roadmap.md](./roadmap.md) before committing exact phase numbers. + +## 1. Goal + +Replace the seven Phase-5 stubs in [claudeAgent.ts](claudeAgent.ts) (`createSession`, `disposeSession`, `getSessionMessages`, `listSessions`, `resolveSessionConfig`, `sessionConfigCompletions`, `shutdown`) with real implementations. **No live LLM traffic** in this phase — `sendMessage` stays a Phase-6 stub. The SDK's `query()` is **not** spawned in `createSession`. + +**Fork is explicitly out of scope.** SDK `forkSession` requires translating a protocol turn ID to an SDK event ID via `ClaudeAgentSession.getNextTurnEventId(...)`, which itself requires a live SDK session handle (CopilotAgent's reference at [`copilotAgent.ts:589-592`](../copilot/copilotAgent.ts#L589-L592) loads the source session via `_resumeSession` to do this). Phase 5 has no SDK session machinery, so the protocol-turn-ID → SDK-event-ID translation is structurally missing. Implementing fork on top of half-baked plumbing is the kind of corner-cutting that produces the latent bugs we're already trying to avoid in CopilotAgent. Phase 5 `createSession` therefore throws `TODO: Phase 6` when `config.fork` is set; Phase 6 picks up fork as part of its sendMessage / SDK-session work. + +**Exit criteria:** With the Phase-4 gate enabled, a workbench client can: + +1. Create a non-fork Claude session and receive a `claude:/` URI. +2. List sessions and see entries from this agent host AND externally-created Claude Code sessions (CLI, other clients). +3. Dispose a session cleanly without affecting external listings. +4. Shut down the agent host cleanly. +5. `createSession({ fork })` throws `TODO: Phase 6`. +6. The first `sendMessage` call still throws `TODO: Phase 6` (sendMessage is Phase 6, not Phase 5). + +## 2. Files to create / modify + +| Action | File | Purpose | +|---|---|---| +| **Create** | [claudeAgentSdkService.ts](claudeAgentSdkService.ts) | Lazy `@anthropic-ai/claude-agent-sdk` wrapper. Phase-5 surface: `listSessions`, `getSessionMessages`. **No `query()` yet, no `forkSession` yet — fork is Phase 6.** | +| **Create** | [claudeAgentSession.ts](claudeAgentSession.ts) | Per-session wrapper. Phase-5 fields: `sessionId`, `sessionUri`. `dispose()` is no-op-safe. Class grows in Phase 6 to hold `_query`, `_abortController`, etc. | +| **Modify** | [claudeAgent.ts](claudeAgent.ts) | Replace 7 stubs. Add `ISessionDataService` + `IClaudeAgentSdkService` DI. Add `_sessions: DisposableMap`, `_disposeSequencer: SequencerByKey`, `_shutdownPromise?: Promise`. | +| **Modify** | [../agentHostMain.ts](../agentHostMain.ts) | Register `IClaudeAgentSdkService` next to `IClaudeProxyService`. | +| **Modify** | [../agentHostServerMain.ts](../agentHostServerMain.ts) | Same registration as `agentHostMain.ts`. | +| **Modify** | [/package.json](../../../../../../package.json) | Add `@anthropic-ai/claude-agent-sdk` at version **`0.2.112`** (versions > 0.2.112 add native deps — out of scope until Phase 15 per [roadmap.md §15](roadmap.md)). | +| **Modify** | [/remote/package.json](../../../../../../remote/package.json) | Same dep — agent host runs in the remote bundle too. | +| **Modify** | [../../test/node/claudeAgent.test.ts](../../test/node/claudeAgent.test.ts) | Add `FakeClaudeAgentSdkService`. Replace stub-throw assertions for the 6 Phase-5-implemented methods with lifecycle cases (fork still throws). Add the mandatory cases in §5. | + +## 3. Implementation spec + +### 3.1 `IClaudeAgentSdkService` — lazy SDK wrapper + +Mirrors the lazy-import pattern at [`claudeCodeSdkService.ts:78-93`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeSdkService.ts#L78-L93). The agent host runs in Electron's utility process; the dynamic `import()` keeps the heavy SDK out of cold-start paths and isolates the native-deps boundary. + +```ts +export const IClaudeAgentSdkService = createDecorator('claudeAgentSdkService'); + +export interface IClaudeAgentSdkService { + readonly _serviceBrand: undefined; + listSessions(): Promise; + getSessionMessages(sessionId: string): Promise; + // forkSession added in Phase 6 — fork requires a live SDK session handle + // for protocol-turn-ID → SDK-event-ID translation; see §1. +} + +export class ClaudeAgentSdkService implements IClaudeAgentSdkService { + declare readonly _serviceBrand: undefined; + + constructor(@ILogService private readonly _logService: ILogService) { } + + /** + * Cached resolved module. We deliberately cache the *resolved* value, not + * the promise \u2014 if the dynamic import throws, the next call retries. + * Mirrors the convention in [`agentHostTerminalManager.ts:60-66`](../agentHostTerminalManager.ts#L60-L66) + * for `node-pty`. Retry cost is acceptable here because `listSessions()` + * is called per user action (workbench open, refresh), not in a polling + * loop. The first failure is logged via {@link _logFirstLoadFailure} so + * a corrupt `node_modules` shows up clearly without flooding logs. + */ + private _sdkModule: typeof import('@anthropic-ai/claude-agent-sdk') | undefined; + private _firstLoadFailureLogged = false; + + protected async _loadSdk(): Promise { + if (this._sdkModule) { + return this._sdkModule; + } + try { + this._sdkModule = await import('@anthropic-ai/claude-agent-sdk'); + return this._sdkModule; + } catch (err) { + if (!this._firstLoadFailureLogged) { + this._firstLoadFailureLogged = true; + this._logService.error('[ClaudeAgentSdkService] Failed to load @anthropic-ai/claude-agent-sdk; will retry on next call.', err); + } + throw err; + } + } + + async listSessions(): Promise { + const sdk = await this._loadSdk(); + return sdk.listSessions(undefined); + } + // getSessionMessages similarly +} +``` + +**Phase-5 surface only.** No `query()` export, no `forkSession` \u2014 those land in Phase 6. + +### 3.2 `ClaudeAgentSession` — per-session wrapper (minimal) + +Phase-5 fields are the bare minimum. The class grows substantially in Phase 6. + +```ts +export class ClaudeAgentSession extends Disposable { + constructor( + readonly sessionId: string, + readonly sessionUri: URI, + readonly workingDirectory: URI | undefined, + ) { + super(); + } + + // Phase 6 will add: _query, _abortController, _pendingPrompt, etc. + // For Phase 5, dispose() is the inherited no-op — nothing yet to tear down. +} +``` + +**Working-directory ownership.** The wrapper is the single in-memory source of truth for the session's working directory while live, mirroring CopilotAgent's pattern (`CopilotAgentSession` and `IProvisionalSession` both hold `workingDirectory` directly — see [`copilotAgent.ts:603-615`](../copilot/copilotAgent.ts#L603-L615)). Persistence flows through `setMetadata('claude.customizationDirectory', …)` on fork and (Phase 6) on first `sendMessage`; resume-from-disk reconstructs the wrapper from that metadata. Phase 5 marks the field `readonly` because pre-prompt drafts can't change folder mid-life; Phase 6 may convert it to a settable field when worktree materialization is introduced (the worktree URI replaces the original folder while the customization-directory metadata still anchors plugin discovery to the user's pick). + +This file exists in Phase 5 chiefly to nail down the import shape and DI boundary so Phase 6 is a pure-additive change. + +### 3.3 `ClaudeAgent` — DI updates and lifecycle methods + +Add three constructor deps, three private fields, and one metadata-key constant (Claude-namespaced, mirroring CopilotAgent's `_META_CUSTOMIZATION_DIRECTORY` at [`copilotAgent.ts:1304`](../copilot/copilotAgent.ts#L1304)): + +```ts +private static readonly _META_CUSTOMIZATION_DIRECTORY = 'claude.customizationDirectory'; + +constructor( + @ILogService private readonly _logService: ILogService, + @ICopilotApiService private readonly _copilotApiService: ICopilotApiService, + @IClaudeProxyService private readonly _claudeProxyService: IClaudeProxyService, + @ISessionDataService private readonly _sessionDataService: ISessionDataService, // NEW + @IClaudeAgentSdkService private readonly _sdkService: IClaudeAgentSdkService, // NEW +) { super(); } + +private readonly _sessions = this._register(new DisposableMap()); +private readonly _disposeSequencer = new SequencerByKey(); +private _shutdownPromise: Promise | undefined; +``` + +Both `agentHostMain.ts` and `agentHostServerMain.ts` use `instantiationService.createInstance(ClaudeAgent)` already — DI resolves the new deps automatically once they are registered (see §3.6). + +#### 3.3.1 `createSession` + +**Fork is deferred to Phase 6** (see §1). When `config.fork` is set, throw `Error('TODO: Phase 6: fork requires SDK session handle for protocol-turn-ID → SDK-event-ID translation')`. The non-fork path is in-memory only; no DB writes, no SDK calls. + +`AgentService.createSession` ([`agentService.ts:269-282`](../agentService.ts#L269-L282)) **already** builds `config.fork.turnIdMapping` from the source session's turns BEFORE calling `provider.createSession(config)`. Providers are consumers of the mapping, not authors. Phase 6 implementation will use this; Phase 5 ignores the field by virtue of throwing. + +**Post-PR #313841 invariant** (relevant for Phase 6 once fork lands): AgentService drops `config.fork` for sources with zero turns ([`agentService.ts:269-282`](../agentService.ts#L269-L282)) — a forkless source is indistinguishable from a fresh session, so the call falls through to the non-fork path. Phase 6's fork branch will therefore be guaranteed `config.fork.session` has ≥ 1 turn and `config.fork.turnIdMapping` is non-empty. + +```ts +async createSession(config: IAgentCreateSessionConfig): Promise { + if (config.fork) { + // Fork requires translating `config.fork.turnId` (a protocol turn ID) + // to an SDK event ID via the live source SDK session handle. Phase 5 + // has no SDK session machinery, so the translation is structurally + // unavailable. Phase 6 picks this up alongside sendMessage by + // resuming the source via `_resumeSession` and calling + // `getNextTurnEventId(...)` (mirrors CopilotAgent at + // copilotAgent.ts:589-592). + throw new Error('TODO: Phase 6: fork requires SDK session handle'); + } + + // Non-fork path: in-memory only. Mirrors Claude Code's "no message → no session" + // semantic. First sendMessage (Phase 6) writes the SDK session record and + // metadata. AgentService now eagerly creates sessions on folder-pick (PR #313841) + // and arms a 30s GC that calls disposeSession if the user abandons the + // new-chat view; for an empty Claude session that's a cheap in-memory drop + // because nothing has been persisted yet. Note: we do NOT set + // `provisional: true` on the result — that opt-in would defer + // `sessionAdded` until ClaudeAgent fires `onDidMaterializeSession`, but + // Phase 5 has no SDK session to materialize. Returning without + // `provisional` makes AgentService dispatch `SessionReady` immediately + // (the desired behaviour for Claude until Phase 6 introduces real + // materialization work). + const sessionId = generateUuid(); + const sessionUri = AgentSession.uri(this.id, sessionId); + const session = new ClaudeAgentSession(sessionId, sessionUri, config.workingDirectory); + this._sessions.set(sessionId, session); + return { session: sessionUri, workingDirectory: config.workingDirectory }; +} +``` + +Note: `IAgentCreateSessionConfig` carries `workingDirectory?: URI` — there is no `customizationDirectory` field on the config. The customization directory is the user-picked folder (Claude doesn't materialize a worktree until Phase 6 / Phase 15), so `config.workingDirectory` is the right source for both purposes in Phase 5. The return type is `IAgentCreateSessionResult` ([`agentService.ts:124-145`](../../common/agentService.ts#L124-L145)); we populate `session` and `workingDirectory` and intentionally omit `provisional`. + +#### 3.3.2 `listSessions` + +**SDK is source of truth.** Per-session DB is overlay/cache only. External Claude Code sessions (CLI, other clients) MUST surface — that's a Phase-5 exit criterion. + +CopilotAgent's pattern at `copilotAgent.ts:519-541` has a latent bug: `Promise.all` over fan-out reads where any rejection drops the whole listing. ClaudeAgent must follow the resilient pattern at [`agentService.ts:188-204`](../../common/agentService.ts#L188-L204) — each iteration wraps its own try/catch and returns the SDK-provided entry on failure. + +```ts +async listSessions(): Promise { + const sdkEntries = await this._sdkService.listSessions(); + return Promise.all(sdkEntries.map(async entry => { + // Per-session DB overlay. Failure here NEVER excludes the session. + try { + const sessionUri = AgentSession.uri(this.id, entry.sessionId); + const dbRef = await this._sessionDataService.tryOpenDatabase(sessionUri); + if (dbRef) { + try { + const customizationDirectory = await dbRef.object.getMetadata( + ClaudeAgent._META_CUSTOMIZATION_DIRECTORY, + ); + return this._toAgentSessionMetadata(entry, { customizationDirectory }); + } finally { + dbRef.dispose(); + } + } + } catch (err) { + this._logService.warn(err, `[Claude] Overlay read failed for session ${entry.sessionId}`); + } + // External session, or DB read failed: surface what the SDK gave us. + return this._toAgentSessionMetadata(entry, {}); + })); +} +``` + +**No filter** like CopilotAgent's `if (!metadata) return undefined` at `copilotAgent.ts:521-523`. That filter is what hides external sessions today; ClaudeAgent doesn't reproduce it. Title / isRead / isArchived / diffs decoration is already handled generically by [`AgentService.listSessions`](../../common/agentService.ts#L188-L204). + +**No `dir` scoping.** `IAgent.listSessions()` has no `dir` parameter ([`agentService.ts:467`](../../common/agentService.ts#L467)) and `IClaudeAgentSdkService.listSessions()` mirrors that surface. The SDK service translates this to `sdk.listSessions(undefined)` internally — the host doesn't expose `dir` plumbing. If/when `IAgent` grows an optional `dir`, the SDK service surface grows in lockstep. + +#### 3.3.3 `getSessionMessages` + +```ts +async getSessionMessages(_session: URI): Promise { + return []; // Phase 13 owns full transcript reconstruction. +} +``` + +A code comment must reference Phase 13 explicitly so future readers don't silently fill this in. + +#### 3.3.4 `disposeSession` + +Sequencer-serialized. Removes the wrapper from `_sessions`. Does **NOT** delete the SDK session, does **NOT** delete the DB — Phase 13 owns deletion. + +```ts +disposeSession(session: URI): Promise { + const sessionId = AgentSession.id(session); + return this._disposeSequencer.queue(sessionId, async () => { + this._sessions.deleteAndDispose(sessionId); // safe if missing + }); +} +``` + +#### 3.3.5 `resolveSessionConfig` / `sessionConfigCompletions` + +Decision **B5** from the planning conversation: Claude-native single-axis schema. The platform `Mode`/`AutoApprove` keys are subsumed by `permissionMode`. The `Permissions` key is reused from `platformSessionSchema` because Claude SDK accepts `allowedTools` / `disallowedTools` natively, so the platform key is a faithful representation. + +Add a new file [../../common/claudeSessionConfigKeys.ts](../../common/claudeSessionConfigKeys.ts): + +```ts +export const enum ClaudeSessionConfigKey { + PermissionMode = 'permissionMode', +} +``` + +Implementation: + +```ts +async resolveSessionConfig(_session: URI | undefined): Promise { + const sessionSchema = createSchema({ + [ClaudeSessionConfigKey.PermissionMode]: schemaProperty({ + type: 'string', + title: localize('claude.sessionConfig.permissionMode', "Approvals"), + description: localize('claude.sessionConfig.permissionModeDescription', "How Claude handles tool approvals."), + enum: ['default', 'acceptEdits', 'bypassPermissions', 'plan'], + enumLabels: [ + localize('claude.sessionConfig.permissionMode.default', "Ask Each Time"), + localize('claude.sessionConfig.permissionMode.acceptEdits', "Auto-Approve Edits"), + localize('claude.sessionConfig.permissionMode.bypassPermissions', "Bypass Approvals"), + localize('claude.sessionConfig.permissionMode.plan', "Plan Only (Read-Only)"), + ], + enumDescriptions: [ + localize('claude.sessionConfig.permissionMode.defaultDescription', "Prompt for every tool call."), + localize('claude.sessionConfig.permissionMode.acceptEditsDescription', "Auto-approve file edits; prompt for shell and other tools."), + localize('claude.sessionConfig.permissionMode.bypassPermissionsDescription', "Auto-approve every tool call."), + localize('claude.sessionConfig.permissionMode.planDescription', "Read-only research mode; no tool calls executed."), + ], + default: 'default', + sessionMutable: true, + }), + [SessionConfigKey.Permissions]: platformSessionSchema.definition[SessionConfigKey.Permissions], + }); + return { + schema: sessionSchema, + values: { /* defaults applied by the caller via schema.default */ }, + }; +} + +async sessionConfigCompletions(_session: URI | undefined, _property: string, _query: string): Promise { + return { items: [] }; // permissionMode is enum; no dynamic completion needed +} +``` + +**Skipped keys:** +- `SessionConfigKey.AutoApprove`, `SessionConfigKey.Mode` — subsumed by `permissionMode`. +- `SessionConfigKey.Isolation`, `Branch`, `BranchNameHint` — deferred to Phase 6 prerequisite (§8 worktree-extraction note). + +**Why this works for the workbench UI** (verified live): +- [`AgentHostModePicker`](../../../../../sessions/contrib/chat/browser/agentHost/agentHostModePicker.ts#L128-L141) renders nothing when `schema.properties[Mode]` is absent or fails `isWellKnownModeSchema()`. Claude sessions don't show a mode picker — the right behavior. +- [`AgentHostSessionConfigPicker`](../../../../../sessions/contrib/chat/browser/agentHost/agentHostSessionConfigPicker.ts#L326) is the generic per-property fallback. It renders a dropdown for any string-enum property in the schema. **`permissionMode` gets a dropdown for free, no workbench changes needed.** +- The pre-existing `ClaudePermissionModePicker` (`src/vs/sessions/contrib/copilotChatSessions/browser/claudePermissionModePicker.ts`) is for **extension-based** Claude (`CopilotChatSessionsProvider`), not agent-host Claude. The two coexist via `when` clauses. Eventually the extension picker should be deleted in favor of the generic schema-driven path; that cleanup is documented as tech debt in `COPILOT_CHAT_SESSIONS_PROVIDER.md:157` and is out of scope for Phase 5. + +#### 3.3.6 `shutdown` and `dispose` + +Memoized idempotent shutdown. Mirrors CopilotAgent's pattern at [`copilotAgent.ts:1057-1068`](../copilot/copilotAgent.ts#L1057-L1068). + +```ts +shutdown(): Promise { + this._shutdownPromise ??= (async () => { + // Phase 6+ INVARIANT: SDK Query subprocesses MUST be aborted before + // disposing the proxy handle, AND any in-flight createSession / + // sendMessage I/O must be drained first. Phase 5 has no Query + // objects and no async createSession path (fork is Phase 6), so the + // _sessions map only holds in-memory wrappers — disposal here is + // sequencing for Phase 6, not real teardown work. Phase 6 will + // introduce `_inFlightCreates: Set>` and prepend + // `await Promise.allSettled([...this._inFlightCreates])` to this + // body when fork + sendMessage materialization land. + // + // Per-session teardown goes through `_disposeSequencer` so a + // concurrent `disposeSession(uri)` already in flight is awaited + // before shutdown reuses the same key. In Phase 5 the queued work + // is synchronous, so the sequencer is mostly a no-op; the routing + // matters in Phase 6 when teardown grows real async work (Query + // abort, in-flight metadata writes). + const sessionIds = [...this._sessions.keys()]; + await Promise.all(sessionIds.map(sessionId => + this._disposeSequencer.queue(sessionId, async () => { + this._sessions.deleteAndDispose(sessionId); + }) + )); + })(); + return this._shutdownPromise; +} + +override async dispose(): Promise { + await this.shutdown(); // ordered: drain sessions + this._proxyHandle?.dispose(); // then release proxy refcount + this._proxyHandle = undefined; + this._githubToken = undefined; + this._models.set([], undefined); + super.dispose(); +} +``` + +The `await shutdown(); _proxyHandle?.dispose();` ordering preserves the Phase-4 invariant comment at `claudeAgent.ts:241-248`. **In Phase 6 this becomes load-bearing** — Query subprocesses talk to the proxy and must die first. + +### 3.4 DI registration + +Both `agentHostMain.ts` and `agentHostServerMain.ts` already register `ICopilotApiService` and `IClaudeProxyService`. Add `IClaudeAgentSdkService` next to `IClaudeProxyService` in **both** files: + +```ts +const claudeAgentSdkService = disposables.add(instantiationService.createInstance(ClaudeAgentSdkService)); +diServices.set(IClaudeAgentSdkService, claudeAgentSdkService); +``` + +If `ClaudeAgentSdkService` doesn't need disposal (no held resources beyond the lazy SDK module reference), the `disposables.add()` wrapper is still the right call \u2014 the codebase convention at [`agentHostMain.ts:112`](../agentHostMain.ts#L112) wraps `ClaudeProxyService` unconditionally even when there's nothing meaningful to release. Symmetry over micro-optimization. + +### 3.5 No subagent parsing in Phase 5 + +`parseSubagentSessionUri` and the `subagentOf` URI authority are explicitly **deferred to Phase 12**. ClaudeAgent's session URIs in Phase 5 are flat: `claude:/`. + +`listSessions` is safe to use unfiltered: the SDK's `listSessions(_options?)` only enumerates top-level sessions by filesystem layout convention. Subagent transcripts live in a nested `subagents/agent-.jsonl` directory inside the parent session's storage and are only reachable through the separate `listSubagents(sessionId)` API (Phase 12+). The returned `SDKSessionInfo` shape carries no parent/subagent discriminator field, so filtering at this layer would be impossible regardless — but it isn't needed. Verified against `@anthropic-ai/claude-agent-sdk@0.2.112`'s `sdk.d.ts`. + +### 3.6 No `IClaudeSessionTranscriptStore` seam + +The roadmap originally proposed introducing `IClaudeSessionTranscriptStore` in Phase 5 as a seam for the future hybrid (SDK + `sessionStore` alpha) implementation. **Deferred to Phase 13** by 2-of-3 reviewer consensus — the seam is dead code today and Phase 13 (transcript reconstruction) is the natural place to introduce it. `getSessionMessages` returns `[]` directly in Phase 5. + +## 4. Persistence model (the load-bearing decision) + +| Source | Owns | Phase 5 reads | Phase 5 writes | +|---|---|---|---| +| **SDK** (`@anthropic-ai/claude-agent-sdk` JSONL on disk) | Session existence, transcripts, last-modified | `listSessions` | None — fork (which would write) is Phase 6 | +| **Per-session DB** (`ISessionDataService.openDatabase(uri)`) | Overlay/cache: `customizationDirectory` (Claude-namespaced), project info | `listSessions` (overlay only) | None in Phase 5 — fork's `vacuumInto`/`remapTurnIds`/`setMetadata` and sendMessage's metadata write are both Phase 6 | +| **In-memory `_sessions` map** | Active wrapper objects, dispose lifecycle | `disposeSession` | `createSession` (non-fork) | + +**Three rules:** + +1. **Non-fork `createSession` does NOT touch disk.** First `sendMessage` (Phase 6) writes the SDK session record. Pre-prompt drafts that the user abandons (workspace switch, new-chat close) are GC'd by AgentService 30 s after the last subscriber drops via `disposeSession` (PR #313841, [`agentService.ts SESSION_GC_GRACE_MS`](../agentService.ts)) — for Claude this is a cheap in-memory wrapper drop because no DB row exists yet. +2. **Fork `createSession` is unimplemented in Phase 5** (throws `TODO: Phase 6`). Phase 6 will add the vacuum + remap + setMetadata pipeline alongside the SDK-session machinery that translates protocol turn IDs to SDK event IDs. The DB schema and metadata key (`'claude.customizationDirectory'`) are reserved for Phase 6's use. +3. **`listSessions` never excludes a session because of DB read failure.** The SDK is the source of truth; the DB is decoration. + +## 5. Test file spec + +Modify [`../../test/node/claudeAgent.test.ts`](../../test/node/claudeAgent.test.ts). The existing 14 Phase-4 cases stay; replace the stub-throw assertions for the 6 Phase-5-implemented methods (fork still throws, kept) and add the new lifecycle cases below. + +**New fakes:** + +- `FakeClaudeAgentSdkService` implementing `IClaudeAgentSdkService` (Phase-5 surface: `listSessions` + `getSessionMessages` only). Configurable `_sessionList: SDKSessionInfo[]`. Track call counts for verification. +- Reuse [`createNullSessionDataService()`](../../test/common/sessionTestHelpers.ts) (in-memory variant) — extend it inline in the test file if a richer fake is needed (e.g. to simulate a corrupt DB by having `tryOpenDatabase` reject for one specific sessionId). +- `RecordingLogService extends NullLogService` — overrides `error(...)` to push the args into a public `errorCalls: unknown[][]` array. Used by test 11 to assert the log-once contract on `_loadSdk` failures. +- `TestableClaudeAgentSdkService extends ClaudeAgentSdkService` — overrides the protected `_loadSdk()` method to throw on demand (controlled by a public `failNext: boolean` flag). Used by test 11 to simulate dynamic-import failure without touching `node_modules`. + +**Mandatory cases** (use `assert.deepStrictEqual` for snapshot-style assertions per repo guideline): + +1. **`createSession` non-fork — no DB writes, no SDK calls.** Returns `claude:/` URI; UUID is host-minted (`generateUuid()` shape). Assert via fakes that **none of `openDatabase`, `tryOpenDatabase`, or any `IClaudeAgentSdkService` method was called.** +2. **`createSession({ fork })` throws `TODO: Phase 6`.** With `config.fork = { session, turnId, turnIndex, turnIdMapping }` set, `createSession` rejects with an error whose message contains `"Phase 6"`. Assert no entry was added to `_sessions`, no DB was opened, and no SDK call was made. +3. **`listSessions` returns SDK entries decorated with overlay.** Two SDK sessions: one has a local DB with `customizationDirectory: '/foo'`, one doesn't. Assert both surface; only the first carries the overlay value. +4. **`listSessions` includes external sessions.** Sessions surfaced by the SDK that have no local DB at all (external Claude Code CLI sessions) MUST appear in the result with whatever fields the SDK provided. +5. **`listSessions` resilience: corrupt-DB does not poison the listing.** Three SDK sessions; fake `tryOpenDatabase` rejects for one specific sessionId. Result still has all three entries (the corrupt one falls back to the SDK-only entry, not undefined). +6. **`getSessionMessages` returns `[]`** — comment in test cites Phase 13. +7. **`disposeSession` removes from `_sessions`, leaves SDK + DB alone.** Subsequent `listSessions` (still driven by SDK) shows the session — `dispose` is a wrapper-removal, not a deletion. +8. **`disposeSession` is safe for unknown sessionId** — no-op, no throw. +9. **`shutdown` is idempotent** — call twice in parallel; second call returns the same memoized promise; no double-iteration over `_sessions`. +10. **`dispose` ordering: shutdown then proxy.** Use a sentinel proxy handle whose `dispose()` records a timestamp; after `agent.dispose()`, assert the recorded shutdown completion strictly precedes the proxy disposal. +11. **`ClaudeAgentSdkService` log-once-on-failure.** Construct a `TestableClaudeAgentSdkService` with `failNext = true` and a `RecordingLogService`. Call `listSessions()` twice in sequence; both calls reject. Assert `recordingLogService.errorCalls.length === 1` (NOT 2). Then set `failNext = false` and resolve `_sdkModule` to a stub returning `[]`; `listSessions()` resolves and `errorCalls.length` stays at 1 (success doesn't re-log). This locks the contract that diagnosis logs aren't spammy. +12. **`shutdown` and `disposeSession` share the dispose sequencer (Phase-6 race guard).** Inject a `ClaudeAgentSession` subclass whose `dispose()` increments a per-instance `disposeCount` and (optionally) awaits a deferred to slow teardown to a controllable scale. Create two sessions, fire `agent.disposeSession(s1)` and `agent.shutdown()` without awaiting either, then resolve all deferreds. Assert each wrapper's `disposeCount === 1` (NOT 2 — no double-dispose). Assert `_sessions` is empty afterwards. The test passes trivially in Phase 5 (sync dispose), but locks the contract so Phase 6's real async teardown can't regress. + +**Resolved-config cases** (replace existing stub-throw assertions): + +13. **`resolveSessionConfig`** returns a schema with `permissionMode` (4-value enum) and `Permissions` (the platform key), and **no other** properties. Snapshot-compare the schema definition. +14. **`sessionConfigCompletions`** returns `{ items: [] }` for any property/query. + +Use `ensureNoDisposablesAreLeakedInTestSuite()` at the top of the suite (already there from Phase 4). + +## 6. Risks / gotchas + +| Risk | Mitigation | +|---|---| +| `@anthropic-ai/claude-agent-sdk@0.2.112` may pull native deps via postinstall. | After `npm install`, run `npm ls @anthropic-ai/claude-agent-sdk`. Verify pure-JS shape — no `node-gyp` rebuilds, no platform-specific binary downloads. If 0.2.112 has native steps, escalate before merging Phase 5; the roadmap's Phase 15 boundary (versions > 0.2.112 add native deps) implies 0.2.112 itself is clean, but verify. | +| Lazy `import('@anthropic-ai/claude-agent-sdk')` in a utility process Node context. | Extension uses the same pattern; agent host runs in Electron's utility process. Validate with the live smoke (§7.6) before declaring done. Low risk but a real failure mode. | +| SDK dynamic-import fails (corrupt `node_modules`, postinstall failure). | `_loadSdk` caches the resolved module on success and retries on failure (matches `agentHostTerminalManager.ts` node-pty pattern). First failure is logged once via `ILogService.error` so it's diagnosable; subsequent failures retry silently. `listSessions` is per user action, not a polling loop, so retry storms aren't a concern. | +| `Promise.all` over fan-out reads silently corrupts `listSessions`. | §3.3.2 inner-try/catch pattern. Test 5 codifies the invariant. **Do not copy CopilotAgent's structure verbatim — it has the bug.** | +| `disposeSession` race with concurrent `listSessions` reading `_sessions`. | `_disposeSequencer.queue(sessionId, ...)` serializes per-session teardown. `listSessions` reads from the SDK, not `_sessions`, so the race is moot in practice — but the sequencer matters in Phase 6 when teardown also aborts a `Query`. | +| `disposeSession(uri)` racing concurrent `shutdown()` could double-dispose the same wrapper in Phase 6. | `shutdown()` routes per-session teardown through the same `_disposeSequencer` that `disposeSession` uses, so an in-flight per-session call is awaited before shutdown disposes the same key. Phase 5 dispose is synchronous so the race is benign, but the routing is locked in now so Phase 6's real async teardown (`Query` abort, in-flight metadata writes) inherits the serialization for free. Test 12 codifies the contract. | +| Fork is unimplemented in Phase 5; workbench may attempt to fork. | `createSession({ fork })` throws `TODO: Phase 6`; the workbench surfaces this as a session-creation error. UX impact: "Restart from here" / similar fork triggers will fail visibly when targeting a Claude session. Acceptable because (a) Phase 5 is gated behind a setting and an env var, (b) Phase 6 closes the gap. Test 10 codifies the throw. | +| Phase-6 `dispose` order silently regressed. | Test 10 (sentinel-timestamp) catches inversion. Comment block at the top of `dispose()` cites the invariant. | +| Pre-prompt drafts disappear when the user abandons new-chat. | Intentional. Per PR #313841, AgentService eagerly creates the session on folder-pick and arms a 30 s GC timer that fires `disposeSession` if the last subscriber drops while the session has zero turns. For Claude that means createSession + disposeSession is silently exercised every time a user opens new-chat and walks away — both must be cheap. The non-fork path is in-memory only and Phase-6 disposeSession will be a wrapper drop, so this is fine. Test 1 codifies the no-DB-write invariant. | +| `createSession` and `disposeSession` are now hot paths (folder-pick + 30 s GC). | Phase 5 createSession is in-memory for the only implemented case (non-fork) → cheap. Phase 6 disposeSession must stay cheap; if Claude later needs heavier setup at create time we can opt into the `provisional`/`onDidMaterializeSession` pattern (PR #313841) instead of paying it eagerly. | +| External-session UI rendering: `SDKSessionInfo` may not include `cwd` / `workingDirectory`. | Phase 5 surfaces what the SDK gives us. If the chat UI needs `cwd` to render a sensible label, Phase 13 (transcript reconstruction) will add JSONL-derived enrichment. Not a Phase-5 blocker. | +| `IAgent.listSessions()` has no `dir` parameter. | `IClaudeAgentSdkService.listSessions()` mirrors the surface (no `dir` parameter). Internally it calls `sdk.listSessions(undefined)`. Future enhancement if/when `IAgent` gains an optional `dir`. | +| Workbench UI lacks a permission-mode picker for Claude sessions. | The generic `AgentHostSessionConfigPicker` auto-renders any string-enum property. Verified live (§3.3.5). No workbench code changes needed in Phase 5. | +| Both `agentHostMain.ts` and `agentHostServerMain.ts` need the new SDK service registration. | §3.4 lists both. Forgetting `agentHostServerMain.ts` causes server-mode crashes the same way Phase 4 missed it. | + +## 7. Acceptance criteria + +The PR is **done** when every box below is checked. Run them in order — earlier failures invalidate later checks. + +### 7.1 Code structure + +- [ ] [claudeAgentSdkService.ts](claudeAgentSdkService.ts) exports `IClaudeAgentSdkService` decorator + `ClaudeAgentSdkService` impl. Lazy SDK module load (cached on success, retries on failure, logs first failure once — mirrors `agentHostTerminalManager.ts` node-pty pattern). Phase-5 surface only (`listSessions`, `getSessionMessages` — no `forkSession`, no `query()`). +- [ ] [claudeAgentSession.ts](claudeAgentSession.ts) exports `ClaudeAgentSession extends Disposable` with `sessionId`, `sessionUri`, `workingDirectory` fields. No `_query` / `_abortController` yet. +- [ ] [claudeAgent.ts](claudeAgent.ts) constructor adds `@ISessionDataService` + `@IClaudeAgentSdkService`. Class adds `_sessions: DisposableMap`, `_disposeSequencer: SequencerByKey`, `_shutdownPromise?: Promise`. +- [ ] All 7 Phase-5 stubs are real implementations or, in the case of `createSession` with `config.fork`, throw `TODO: Phase 6`. None throw `TODO: Phase 5`. +- [ ] Phase-6+ stubs (`sendMessage`, `respondToPermissionRequest`, etc.) still throw `TODO: Phase N`. +- [ ] `dispose()` order is `await shutdown(); _proxyHandle?.dispose(); super.dispose();` with a comment citing the Phase-6 invariant. +- [ ] Microsoft copyright header on every new file. +- [ ] No `as any` / `as unknown as Foo` casts in test or production code. + +### 7.2 Schema & DI + +- [ ] [../../common/claudeSessionConfigKeys.ts](../../common/claudeSessionConfigKeys.ts) exists exporting `ClaudeSessionConfigKey.PermissionMode = 'permissionMode'`. +- [ ] `resolveSessionConfig` returns ONLY `permissionMode` + reused `Permissions` from `platformSessionSchema`. No `AutoApprove`, no `Mode`, no `Isolation`, no `Branch`, no `BranchNameHint`. +- [ ] Both `agentHostMain.ts` AND `agentHostServerMain.ts` register `IClaudeAgentSdkService` next to `IClaudeProxyService`. + +### 7.3 Persistence invariants (assert in tests) + +- [ ] Non-fork `createSession` does NOT call `ISessionDataService.openDatabase` or `tryOpenDatabase`, and does NOT call any `IClaudeAgentSdkService` method. +- [ ] `createSession({ fork })` rejects with a `TODO: Phase 6` error and produces no side effects (no `_sessions` entry, no DB call, no SDK call). +- [ ] `listSessions` returns one entry per SDK session, including those with no local DB. +- [ ] `listSessions` is resilient to single-DB-read failure (no `Promise.all`-over-throwables corruption). + +### 7.4 Compile + lint + layers + +- [ ] `VS Code - Build` task shows zero TypeScript errors. If task is unavailable, `npm run compile-check-ts-native` exits 0. +- [ ] `npm run eslint -- src/vs/platform/agentHost/node/claude src/vs/platform/agentHost/test/node/claudeAgent.test.ts` exits 0. +- [ ] `npm run valid-layers-check` exits 0. +- [ ] `npm run hygiene` exits 0. +- [ ] `npm ls @anthropic-ai/claude-agent-sdk` shows exactly `0.2.112`, no native build steps in the install log. + +### 7.5 Tests + +- [ ] All 14 Phase-4 cases still pass. +- [ ] All 14 new cases from §5 pass. +- [ ] `scripts/test.sh --grep ClaudeAgent` exits 0. +- [ ] `ensureNoDisposablesAreLeakedInTestSuite()` is at the top of the suite (preserved from Phase 4). + +### 7.6 Live-system smoke (mandatory before merging) + +Follow the Phase-4 smoke harness ([smoke.md](smoke.md), [scripts/launch-smoke.sh](scripts/launch-smoke.sh)). Phase-5 additions: + +- [ ] **Disabled-gate run executed** (deferred for Phase 4 per [phase4-plan.md §7.8](phase4-plan.md); re-required for Phase 5). With `chat.agentHost.claudeAgent.enabled: false` and no env var, the workbench shows only `'copilotcli'` in root state. +- [ ] **Enabled-gate run.** Pick Claude in the picker; observe `claude:/` in the IPC log (same evidence shape as Phase 4 — but now `createSession` succeeded for real, not via TODO). +- [ ] **First user prompt now surfaces `TODO: Phase 6`**, not `TODO: Phase 5`. Capture the response error. +- [ ] **External-session visibility.** With Claude Code CLI sessions present in `~/.claude/sessions/` (or whatever the SDK uses on the smoke machine), they appear in the workbench session list alongside agent-host-created ones. If the smoke machine has none, create one out-of-band via `claude-code` CLI, then verify it surfaces. +- [ ] **Clean shutdown.** Kill the agent host process; logs show no unhandled rejection from a hung `Query` (there is no Query yet — but `shutdown()` should run its memoized promise to completion). +- [ ] **Empty-session GC (PR #313841).** Open new-chat against Claude, pick the folder, optionally pick a model, then close the new-chat view without sending a message. Within ~30 s the agent host log shows `GC: disposing empty unsubscribed session claude:/` and ClaudeAgent's `disposeSession` runs cleanly (no DB file written, no thrown errors, `_sessions` no longer contains the entry). +- [ ] Smoke artifacts saved under `/tmp/claude-phase5-smoke//`: `registration.log`, `disabled-gate.log`, `claude-session-uris.log`, `external-session.log`, `todo-phase6-error.png`, `shutdown.log`, `empty-session-gc.log`. + +### 7.7 PR readiness + +- [ ] PR title: `agentHost/claude: Phase 5 — session lifecycle`. +- [ ] PR description links to [roadmap.md](roadmap.md) Phase 5 and to this plan; notes that exit criteria are met. +- [ ] PR description lists the 7 implemented stubs + the 9 still-stubbed methods + their target phase as a table. +- [ ] PR description calls out the Phase-6 contract notes (worktree-extraction prerequisite, `canUseTool` consumes `permissionMode` + `Permissions` directly — see §8). +- [ ] PR is opened as draft until the build passes; promote when green. + +### 7.8 What to do if a step fails + +| Failure | Likely cause | First debugging step | +|---|---|---| +| `npm ls` shows native build steps | SDK version drifted to > 0.2.112 | Pin to exact `0.2.112` (no caret) in both root and `remote/` `package.json`. | +| `Cannot find module '@anthropic-ai/claude-agent-sdk'` from a utility process | Lazy import resolved against the wrong root | Verify `agentHostMain.ts` was bundled with the SDK in `node_modules` reachable from the utility process working directory. Check `agentHostServerMain.ts` similarly. | +| `valid-layers-check` fails | Imported a workbench/sessions symbol from `vs/platform/agentHost/` | Only `vs/base`, `vs/platform`, `vs/typings` allowed. The Claude permission-mode picker is workbench-side and must NOT be referenced from the platform layer. | +| Test 5 (corrupt-DB resilience) flakes | Used `Promise.all` instead of `await Promise.all(map(async ... try/catch))` | Inline-try/catch pattern from `agentService.ts:188-204`, NOT the bulk-`Promise.all` from `copilotAgent.ts:519-541`. | +| Test 10 (dispose ordering) fails | `dispose()` body called `_proxyHandle?.dispose()` before awaiting `shutdown()` | Reorder. The `await` matters — fire-and-forget breaks Phase 6. | +| `listSessions` test surfaces zero entries when SDK returns three | Filter inadvertently introduced (e.g. `if (!metadata) return undefined`) | Remove. SDK is source of truth; filter excludes external sessions. | +| Live smoke shows external Claude Code sessions but agent-host-created ones disappear after restart | Non-fork `createSession` is writing partial DB rows | Verify `openDatabase` is NOT called in the non-fork path. The "disappears after restart" symptom is the correct behavior for Phase 5 — pre-prompt drafts don't persist. | +| Live smoke shows `TODO: Phase 5` instead of `TODO: Phase 6` after first prompt | One of the seven Phase-5 methods still throws | Grep `TODO: Phase 5` in `claudeAgent.ts`; remaining hits are bugs. | + +## 8. Phase-6 contract notes (record now, implement then) + +These are decisions Phase 5 locks down so Phase 6 is a pure-additive change. They don't ship code in Phase 5 but they bind the schema and the lifecycle. + +**Permission-mode resolution helper (Phase 6 will add this method):** + +```ts +// src/vs/platform/agentHost/node/claude/claudeAgent.ts (Phase 6) +private _resolveClaudePermissionMode(sessionUri: URI): PermissionMode { + // Read the session's permissionMode value; fall back to schema default. + // canUseTool callback consumes BOTH this and the Permissions key directly — + // NO translation table, NO mapping. Single source of truth. + const mode = this._configurationService.getEffectiveValue( + sessionUri.toString(), claudeSessionSchema, ClaudeSessionConfigKey.PermissionMode); + return isPermissionMode(mode) ? mode : 'default'; +} +``` + +Phase 6's `canUseTool` reads `permissionMode` + `Permissions` directly. **NO `AutoApprove`-to-`permissionMode` translation helper.** Each provider owns its own permission semantics; the platform schema doesn't impose one. + +**Phase-6 prerequisite — extract `IAgentWorktreeService`:** + +`Isolation`, `Branch`, `BranchNameHint`, and `_resolveSessionProject` are about computing the cwd the agent runs in (possibly creating a git worktree, possibly resolving project info from cwd). All of this is provider-agnostic by nature. Today it lives inside `CopilotAgent`: + +- Worktree metadata: [copilot/copilotAgent.ts:1263-1325](../copilot/copilotAgent.ts#L1263-L1325) +- Project resolution: [copilot/copilotAgent.ts:521](../copilot/copilotAgent.ts#L521) (`_resolveSessionProject`) + +Claude needs the same semantic but advertising those keys without a backing implementation ships a UI lie. **Phase 6 (or a separate prerequisite PR) extracts `IAgentWorktreeService`** to the platform layer and updates both providers to consume it. Both providers then advertise `Isolation`/`Branch`/`BranchNameHint` in their schemas. + +**Cross-cutting principle to record in [CONTEXT.md](CONTEXT.md):** when Claude needs a "platform" capability that's actually living inside CopilotAgent, the right fix is to **lift it into the platform**, not duplicate it. Applies to worktrees, project resolution, and likely more as we cross into Phase 7+. + +## 9. Resolved decisions + +**Why is `listSessions` not gated on local-DB existence?** +The SDK is source of truth. CopilotAgent's pattern at `copilotAgent.ts:521-523` filters out sessions without local metadata, which has the side effect of hiding externally-created Claude Code sessions (CLI, Cursor, etc.). That's exactly the population the Phase-5 exit criterion calls out. The DB is overlay/cache only. + +**Why does non-fork `createSession` skip the DB write?** +Mirrors Claude Code's "no message → no session" semantic. Pre-prompt drafts are in-memory only; first `sendMessage` (Phase 6) writes the SDK session record. Avoids phantom DB rows when users open the picker, hesitate, and quit without sending. The cost — drafts evaporate on app close — is acceptable and matches the SDK's own behavior. + +**Why is the schema Claude-native (`permissionMode`) instead of platform-conforming (`AutoApprove` + `Mode`)?** +Decision **B5**. The `SessionConfigKey` doc-comment at [`sessionConfigKeys.ts:6-15`](../../common/sessionConfigKeys.ts) splits keys into platform-consumed (`AutoApprove`, `Permissions`, `Mode`) and client-convention (`Isolation`, `Branch`, `BranchNameHint`). But [`SessionPermissionManager`](../../common/sessionPermissions.ts#L117-L167) — the only reader of `AutoApprove` — fires only from Copilot SDK `pending_confirmation` signals. Claude SDK invokes `canUseTool` **directly** before each call, completely independent of platform gating. So `AutoApprove` is effectively a Copilot-private knob; Claude has no obligation to advertise it. The `permissionMode` enum (4 values) collapses what Copilot expresses as 2 axes (`AutoApprove` × `Mode`) into Claude's native single axis. Workbench UI is schema-driven and adapts automatically (§3.3.5). + +**Why is `turnIdMapping` consumed but not built by `ClaudeAgent.createSession`?** +[`AgentService.createSession`](../../common/agentService.ts#L252-L264) **already** builds `turnIdMapping` from the source session's turns BEFORE calling `provider.createSession(config)`. Providers are consumers, not authors. CopilotAgent's older inline-build pattern at `copilotAgent.ts:633` predates the centralized mapping; `ClaudeAgent` follows the new contract. + +**Why no `IClaudeSessionTranscriptStore` seam in Phase 5?** +2-of-3 reviewer consensus. The seam is dead code today — the only consumer would be `getSessionMessages`, which returns `[]` until Phase 13 anyway. Introducing the seam now means committing to an interface shape before we know what the hybrid (SDK + `sessionStore` alpha) implementation needs. Phase 13 (transcript reconstruction) is the natural place to introduce it. + +**Why is `shutdown` memoized?** +CopilotAgent's pattern at [`copilotAgent.ts:1057-1068`](../copilot/copilotAgent.ts#L1057-L1068). Multiple callers can race to shut down the agent during process exit (workbench window close + agent-host process signal). A memoized promise makes second/third calls cheap and correct. **The order `await shutdown(); _proxyHandle?.dispose();` is load-bearing for Phase 6** — Query subprocesses talk to the proxy and must die first. + +**Should `disposeSession` delete the DB?** +No. Phase 13 owns deletion semantics (full transcript management). `disposeSession` is a wrapper-removal, not a delete. External sessions surfaced via `listSessions` would re-appear on the next listing anyway, so DB deletion in Phase 5 would be both incomplete and confusing. diff --git a/src/vs/platform/agentHost/node/claude/phase6-plan.md b/src/vs/platform/agentHost/node/claude/phase6-plan.md new file mode 100644 index 00000000000000..4ee8abb2ec5cd6 --- /dev/null +++ b/src/vs/platform/agentHost/node/claude/phase6-plan.md @@ -0,0 +1,944 @@ +# Phase 6 Implementation Plan — `ClaudeAgent` real `sendMessage` (single-turn, no tools) + +> **Handoff plan** — written to be executed by an agent with no prior conversation context. All file paths and line citations are verified against the workspace at synthesis time. Cross-reference [roadmap.md](./roadmap.md) before committing exact phase numbers. + +## 1. Goal + +Replace [claudeAgent.ts](claudeAgent.ts)'s `sendMessage` stub with a real implementation that streams a single assistant turn (no tool execution) from the Claude SDK back to the workbench client as `AgentSignal`s. Introduce the **provisional / materialize** lifecycle pattern that Phase 5 deliberately deferred: `createSession` returns immediately with `provisional: true`, the SDK subprocess fork happens lazily on the first `sendMessage`, and `onDidMaterializeSession` fires once the SDK init handshake completes. + +**Phase 6 deliverable:** the workbench's "smallest test stream" — `message_start → content_block_start → content_block_delta → content_block_stop → message_delta(usage) → message_stop → result` — flows end-to-end through `ClaudeProxyService → SDK subprocess → mapper → AgentSignal`. A user typing "hi" sees streamed assistant text appear incrementally. + +**Out of scope (deferred):** + +- **Fork** is **Phase 6.5** (separate stacked PR). The Phase-5 fork stub stays, the throw message updates from `TODO: Phase 6` to `TODO: Phase 6.5`. See §8 for the deferred decisions. +- Tools (Phase 7) — `canUseTool` returns `{ behavior: 'deny', message: '...' }` as a Phase-6 stub. The mapper has a defense-in-depth skip+warn for any `tool_use` block that leaks through. +- Edits (Phase 8), abort/steering/changeModel (Phase 9), client tools (Phase 10), customizations (Phase 11), subagents (Phase 12), restoration (Phase 13). + +**Exit criteria:** + +1. A workbench client creates a non-fork Claude session and the response carries `provisional: true`. No SDK subprocess has been forked. No `sessionAdded` notification has fired yet. +2. The first `sendMessage` materializes the session: SDK subprocess forks, init handshake completes, `onDidMaterializeSession` fires, `AgentService` dispatches the deferred `sessionAdded` notification. The user's prompt is delivered to the SDK. +3. Streaming `assistant` content appears in the workbench as `SessionResponsePart(Markdown)` followed by per-token `SessionDelta` signals. `result` triggers `SessionUsage` then `SessionTurnComplete` in that order. +4. A second `sendMessage` on the same materialized session reuses the existing Query (no second `startup()` call). `_isResumed` flips to `true` after the first `system:init`. +5. Disposing a materialized session aborts the SDK subprocess cleanly (no orphan processes). Disposing a still-provisional session is a cheap map removal. +6. `createSession({ fork })` throws `TODO: Phase 6.5`. +7. The proxy-backed integration test (real `ClaudeProxyService` + real `@anthropic-ai/claude-agent-sdk` + stubbed `ICopilotApiService`) passes end-to-end against a canned Anthropic stream. + +## 2. Files to create / modify + +| Action | File | Purpose | +|---|---|---| +| **Modify** | [claudeAgentSdkService.ts](claudeAgentSdkService.ts) | Add `startup({ options }): Promise` to `IClaudeSdkBindings` and `IClaudeAgentSdkService`. Phase-5 surface (`listSessions`) preserved. (`getSessionMessages` and `forkSession` are added in Phase 6.5, NOT Phase 6.) | +| **Major rewrite** | [claudeAgentSession.ts](claudeAgentSession.ts) | Phase-5 minimum (~30 lines) → Phase-6 Query owner (~300 lines): `_query: Query`, `_abortController: AbortController`, prompt iterable (`_createPromptIterable`), `_pendingPromptDeferred: DeferredPromise`, `_inFlightRequests: QueuedRequest[]`, `_isResumed: boolean`, `_currentBlockParts: Map`, `_fatalError: Error \| undefined`. Methods: `send`, `_processMessages`, `dispose`. | +| **Modify** | [claudeAgent.ts](claudeAgent.ts) | Add `_provisionalSessions: Map`, `_onDidMaterializeSession: Emitter`, `_sessionSequencer: SequencerByKey` (separate from Phase-5's `_disposeSequencer`). Add constructor dependency `@IAgentHostGitService` (resolved as `_gitService`) for `projectFromCopilotContext` lookups during `createSession`. Add helper imports: `rgPath` from `@vscode/ripgrep`, `delimiter` from `../../../../base/common/path.js`. Replace `sendMessage` stub. Make non-fork `createSession` return `provisional: true`. Add `_materializeProvisional`. Update fork branch error: `TODO: Phase 6` → `TODO: Phase 6.5`. Extend `shutdown()` to drain `_provisionalSessions` before the existing `_sessions` drain. | +| **Create** | [claudeMapSessionEvents.ts](claudeMapSessionEvents.ts) | Pure helper: `SDKMessage → AgentSignal[]`. Markdown/reasoning part allocation. Defense-in-depth skip+warn for `tool_use`. Mirrors Copilot's `mapSessionEvents.ts`. | +| **Create** | [claudePromptResolver.ts](claudePromptResolver.ts) | Pure helper: `(prompt: string, attachments?: IAgentAttachment[]) → Anthropic.ContentBlockParam[]`. Builds `` block for file/selection references. | +| **Modify** | [/package.json](../../../../../../package.json) | No version change — `@anthropic-ai/claude-agent-sdk@0.2.112` already pinned by Phase 5. | +| **Modify** | [../../test/node/claudeAgent.test.ts](../../test/node/claudeAgent.test.ts) | Extend `FakeClaudeAgentSdkService` with `startup()`, `nextQueryMessages`, `queryAdvance`, `capturedStartupOptions`, `startupRejection`. Add `FakeWarmQuery` and `FakeQuery` helpers. Add the 15 Phase-6 unit cases in §5. | +| **Create** | [../../test/node/claudeAgent.integration.test.ts](../../test/node/claudeAgent.integration.test.ts) | Single proxy-backed integration test (real `ClaudeProxyService` + real SDK + stubbed `ICopilotApiService`). Roadmap explicit requirement ([roadmap.md L532](roadmap.md#L532)). | + +## 3. Implementation spec + +### 3.1 SDK service: add `startup()` + +Phase 5's `IClaudeSdkBindings` and `IClaudeAgentSdkService` expose **only** `listSessions`. Phase 6 adds the **session-creation** surface, `startup()`. Phase 6.5 will later add `getSessionMessages` and `forkSession`. Per the SDK at [sdk.d.ts:4550](../../../../../../node_modules/@anthropic-ai/claude-agent-sdk/sdk.d.ts) `startup({ options, initializeTimeoutMs? })` forks the subprocess and **completes the init handshake** before returning a `WarmQuery`. Then `warm.query(promptIterable)` binds the prompt and returns a `Query`. This is a strict upgrade over the production extension's `query({ prompt, options })` flow at [`claudeCodeAgent.ts:487`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L487) — `startup()` was added after the extension shipped, and agent host is greenfield. The split lets us **fire `onDidMaterializeSession` only after the subprocess fork + init succeeded**, avoiding any phantom-session class of bug. + +```ts +// claudeAgentSdkService.ts (extension) + +export interface IClaudeSdkBindings { + listSessions(options?: ListSessionsOptions): Promise; + /** + * Pre-warms the SDK subprocess and runs the init handshake. Returns a + * `WarmQuery` whose `.query(promptIterable)` binds the prompt iterable + * and returns a streaming `Query`. Aborting `options.abortController` + * either rejects this promise (if init is in flight) or causes the + * resulting Query to clean up resources (sdk.d.ts:982). + */ + startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; +} + +export interface IClaudeAgentSdkService { + readonly _serviceBrand: undefined; + listSessions(): Promise; + startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; + // getSessionMessages + forkSession added in Phase 6.5 +} +``` + +`ClaudeAgentSdkService.startup` is a thin pass-through to the lazily-imported SDK module — `await this._loadSdk()` then `sdk.startup(params)`. No additional state. + +### 3.2 `IClaudeProvisionalSession` + provisional state on `ClaudeAgent` + +Mirrors CopilotAgent's `IProvisionalSession` at [`copilotAgent.ts:67-82`](../copilot/copilotAgent.ts#L67-L82) plus an `AbortController` for the Q8 shutdown-during-materialize race. + +```ts +// claudeAgent.ts (additions) + +interface IClaudeProvisionalSession { + readonly sessionId: string; + readonly sessionUri: URI; + readonly workingDirectory: URI; + /** + * Per-session AbortController. Wired into `Options.abortController` + * during materialization. On materialize success, ownership transfers + * to the new `ClaudeAgentSession` (which registers + * `toDisposable(() => abortController.abort())`). Until then, `shutdown` + * iterates `_provisionalSessions` and calls `abort()` directly to + * unblock any in-flight `await sdk.startup()`. See §3.4. + */ + readonly abortController: AbortController; + /** Eagerly resolved at create time so the summary renders. */ + readonly project: IAgentSessionProjectInfo | undefined; +} + +private readonly _provisionalSessions = new Map(); + +private readonly _onDidMaterializeSession = this._register(new Emitter()); +readonly onDidMaterializeSession = this._onDidMaterializeSession.event; + +/** + * Per-session sequencer for first-message materialization and subsequent + * sends. SEPARATE from Phase-5's `_disposeSequencer` because they + * serialize different concerns: `_disposeSequencer` linearizes teardown, + * `_sessionSequencer` linearizes turn-driving. Mirrors CopilotAgent + * (`copilotAgent.ts:265`). + */ +private readonly _sessionSequencer = new SequencerByKey(); +``` + +`AgentService` already understands this protocol — see [`agentService.ts:154-160, 334-360`](../agentService.ts#L334-L360): +- If the agent provider's `IAgentCreateSessionResult.provisional === true`, AgentService creates the session in the state manager **with `emitNotification: false`**, defers `sessionAdded`, and skips the `SessionReady` lifecycle dispatch. +- When `IAgent.onDidMaterializeSession` fires, AgentService calls `dispatchedSessionAdded(...)` and then `dispatchServerAction({ type: ActionType.SessionReady, ... })`. + +ClaudeAgent only needs to honor the contract: return `provisional: true` from non-fork `createSession`, and fire `onDidMaterializeSession` from `_materializeProvisional`. + +### 3.3 `createSession` — return `provisional: true` + +Phase-5's non-fork path eagerly creates a `ClaudeAgentSession` wrapper and stores it in `_sessions`. Phase 6 replaces that with a provisional record. Fork still throws — message updated. + +**New constructor dependency.** `ClaudeAgent`'s Phase-5 constructor at [`claudeAgent.ts:136-141`](claudeAgent.ts#L136-L141) does NOT inject git context. Phase 6 adds `@IAgentHostGitService` (resolved as `private readonly _gitService: IAgentHostGitService`, imported from `'../agentHostGitService.js'`) so `createSession` can call `projectFromCopilotContext(...)` (imported from `'../copilot/copilotGitProject.js'`). Mirrors CopilotAgent at [`copilotAgent.ts:843`](../copilot/copilotAgent.ts#L843). Test fakes use `createNoopGitService()` from `'../../test/common/sessionTestHelpers.js'`. + +```ts +async createSession(config: IAgentCreateSessionConfig = {}): Promise { + if (config.fork) { + // Fork moved to Phase 6.5: requires translating `config.fork.turnId` + // (a protocol turn ID) to an SDK message UUID via `sdk.getSessionMessages`. + // See phase6-plan.md §8. + throw new Error('TODO: Phase 6.5: fork requires message-UUID lookup via sdk.getSessionMessages'); + } + + // Non-fork path: provisional. NO subprocess fork, NO worktree, NO DB write. + // Materialization happens in `_materializeProvisional` on the first + // `sendMessage`. AgentService defers `sessionAdded` until then. + const sessionId = config.session ? AgentSession.id(config.session) : generateUuid(); + const sessionUri = AgentSession.uri(this.id, sessionId); + + // Idempotent re-creates (workbench reconnect): if the session is already + // materialized OR already provisional, return the same URI. Mirrors + // CopilotAgent (`copilotAgent.ts:732-746`). We deliberately do NOT + // overwrite the existing provisional record — a re-create payload from + // a fresh connection would clobber the AbortController. + if (this._sessions.has(sessionId)) { + return { session: sessionUri, workingDirectory: config.workingDirectory }; + } + if (this._provisionalSessions.has(sessionId)) { + return { session: sessionUri, workingDirectory: config.workingDirectory, provisional: true }; + } + + if (!config.workingDirectory) { + throw new Error(`createSession: workingDirectory is required for new Claude sessions`); + } + + const project = await projectFromCopilotContext( + { cwd: config.workingDirectory.fsPath }, + this._gitService, + ); + + this._provisionalSessions.set(sessionId, { + sessionId, + sessionUri, + workingDirectory: config.workingDirectory, + abortController: new AbortController(), + project, + }); + + return { + session: sessionUri, + workingDirectory: config.workingDirectory, + provisional: true, + ...(project ? { project } : {}), + }; +} +``` + +**Phase-5 invariants Phase 6 preserves:** +- Non-fork `createSession` does NOT call `ISessionDataService.openDatabase` / `tryOpenDatabase`. (`_provisionalSessions` is in-memory only.) +- Non-fork `createSession` does NOT call any `IClaudeAgentSdkService` method. (Materialize is deferred.) + +**New invariants:** +- Non-fork `createSession` returns `provisional: true` and does NOT add an entry to `_sessions`. +- A duplicate `createSession` for a still-provisional URI returns the same URI without overwriting the existing provisional record. + +### 3.4 `_materializeProvisional` + +Promotes a `IClaudeProvisionalSession` into a real `ClaudeAgentSession`. Called from `sendMessage` (§3.8) inside the `_sessionSequencer.queue(sessionId, ...)` block, so concurrent first sends serialize naturally. + +```ts +private async _materializeProvisional(sessionId: string): Promise { + const provisional = this._provisionalSessions.get(sessionId); + if (!provisional) { + throw new Error(`Cannot materialize unknown provisional session: ${sessionId}`); + } + + const proxyHandle = this._proxyHandle; + if (!proxyHandle) { + throw new Error('Claude proxy is not running; agent must be authenticated first'); + } + + const subprocessEnv = this._buildSubprocessEnv(); + // `proxyHandle.baseUrl` is the full URL (e.g. `http://127.0.0.1:54321`, + // no trailing slash). Source: `claudeProxyService.ts:44-49`. Do NOT + // try to read `proxyHandle.port`; it is not part of the contract. + // + // PATH composition: + // - `rgPath` (imported from `@vscode/ripgrep`) is the absolute path to + // the ripgrep BINARY. Use `path.dirname(rgPath)` for the directory. + // - `delimiter` (imported from `../../../../base/common/path.js`) is + // the PATH separator (`:` on macOS/Linux, `;` on Windows). Do NOT + // use `path.sep` (`/` or `\\`) — that would corrupt PATH on Windows. + // Mirrors CopilotAgent (`copilotAgent.ts:7, 17, 434-450`). + const settingsEnv = { + ANTHROPIC_BASE_URL: proxyHandle.baseUrl, + ANTHROPIC_AUTH_TOKEN: `${proxyHandle.nonce}.${sessionId}`, + CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC: '1', + USE_BUILTIN_RIPGREP: '0', + PATH: `${dirname(rgPath)}${delimiter}${process.env.PATH ?? ''}`, + }; + + const options: Options = { + cwd: provisional.workingDirectory.fsPath, + executable: process.execPath as 'node', + env: subprocessEnv, + abortController: provisional.abortController, + allowDangerouslySkipPermissions: true, + canUseTool: async (_name, _input) => ({ + behavior: 'deny', + message: 'Tools are not yet enabled for this session (Phase 6).', + }), + disallowedTools: ['WebSearch'], + includeHookEvents: true, + includePartialMessages: true, // per-token streaming + permissionMode: 'default', + sessionId, // first run: new SDK session + settingSources: ['user', 'project', 'local'], + settings: { env: settingsEnv }, + systemPrompt: { type: 'preset', preset: 'claude_code' }, + stderr: data => this._logService.error(`[Claude SDK stderr] ${data}`), + }; + + const warm = await this._sdkService.startup({ options }); + + // Q8 belt-and-suspenders: the SDK's comment guarantees abort cleanup + // (sdk.d.ts:982), but if `startup()` resolved despite a racing abort, + // dispose the WarmQuery and surface cancellation. The agent has been + // shutting down while we awaited; do NOT materialize. + if (provisional.abortController.signal.aborted) { + await warm[Symbol.asyncDispose](); + throw new CancellationError(); + } + + const session = this._createSessionWrapper( + sessionId, + provisional.sessionUri, + provisional.workingDirectory, + warm, + provisional.abortController, + ); + + // Persist customization-directory metadata BEFORE firing the + // materialize event. The `IAgentMaterializeSessionEvent` contract + // (agentService.ts:142-147 + agentService.ts:393-395 in `node/`) + // says the agent has "persisted on-disk metadata" by the time the + // event fires. AgentService relies on this to atomically dispatch + // `sessionAdded` + `SessionReady`; firing before the write would + // race those notifications past durable state. CopilotAgent at + // `copilotAgent.ts:843-848` awaits `_storeSessionMetadata` before + // firing — Phase 6 mirrors that ordering. + // + // On persistence failure: dispose the wrapper (which aborts the + // SDK subprocess), keep the provisional record removed, and re-throw. + // Treating this as fatal avoids silent half-persisted state. The + // user sees a `SessionError` and the session never enters `_sessions`. + try { + await this._writeCustomizationDirectory(provisional.sessionUri, provisional.workingDirectory); + } catch (err) { + session.dispose(); + this._provisionalSessions.delete(sessionId); + this._logService.error(`[Claude] Failed to persist customization directory; aborting materialize`, err); + throw err; + } + + this._sessions.set(sessionId, session); + this._provisionalSessions.delete(sessionId); + + this._onDidMaterializeSession.fire({ + session: provisional.sessionUri, + workingDirectory: provisional.workingDirectory, + project: provisional.project, + }); + + return session; +} + +private _buildSubprocessEnv(): Record { + const env: Record = { + ELECTRON_RUN_AS_NODE: '1', + NODE_OPTIONS: undefined, + ANTHROPIC_API_KEY: undefined, + }; + for (const key of Object.keys(process.env)) { + if (key === 'ELECTRON_RUN_AS_NODE') { continue; } + if (key.startsWith('VSCODE_') || key.startsWith('ELECTRON_')) { + env[key] = undefined; + } + } + return env; +} +``` + +**`Options.env` contract** (sdk.d.ts:1075-1078): "Merged on top of `process.env` — entries here override... Set a key to `undefined` to remove an inherited variable." Mirrors CopilotAgent's strip pattern at [`copilotAgent.ts:434-450`](../copilot/copilotAgent.ts#L434-L450). + +**Why agent host strips env when the production extension doesn't**: extension runs in EH (already Electron-as-node, `NODE_OPTIONS` configured for EH); agent host runs in a utility process spawned from main, subprocess env state isn't pre-conditioned. + +`_createSessionWrapper` is updated to take the `WarmQuery` and the `AbortController` (vs the Phase-5 minimal signature). Tests override this hook to inject a recording subclass. + +### 3.5 `ClaudeAgentSession` — Query owner (~300 lines) + +Major rewrite from Phase 5's 30-line minimum. Owns the SDK Query, the per-session AbortController, the prompt iterable, and the message processing loop. + +```ts +// claudeAgentSession.ts (Phase 6) + +interface QueuedRequest { + readonly prompt: SDKUserMessage; + readonly deferred: DeferredPromise; + /** + * Required (non-optional). The agent's `sendMessage(...)` interface accepts + * `turnId?: string` (`agentService.ts:424`), but `AgentSideEffects` always + * supplies one (`agentSideEffects.ts:704`, `:939`). Phase 6's `ClaudeAgent.sendMessage` + * generates a UUID via `generateUuid()` if the caller omitted it, before + * forwarding to `entry.send()`. The mapper depends on `turnId: string` to + * populate `SessionDeltaAction.turnId` etc. (`actions.ts:233-258, 460-465, 521-526`). + */ + readonly turnId: string; +} + +export class ClaudeAgentSession extends Disposable { + /** SDK Query handle. Null until first `send()` binds the prompt iterable. */ + private _query: Query | undefined; + + /** Wakes the prompt iterable's `next()` when a new prompt arrives or on abort. */ + private _pendingPromptDeferred = new DeferredPromise(); + + /** FIFO of in-flight requests. Length ≤ 1 in Phase 6 due to `_sessionSequencer`. */ + private _inFlightRequests: QueuedRequest[] = []; + + /** Prompts pushed by `send()`, drained by the prompt iterable. */ + private _queuedPrompts: SDKUserMessage[] = []; + + /** Flips true after the first `system:init` SDKMessage; controls `sessionId` vs `resume` on re-options. */ + private _isResumed = false; + + /** content_block index → response part id. Cleared on `message_start`. */ + private readonly _currentBlockParts = new Map(); + + /** Mapper state passed to `mapSDKMessageToAgentSignals`. Held here so the loop can clear it on errors. */ + private readonly _mapperState: IClaudeMapperState = { currentBlockParts: this._currentBlockParts }; + + /** + * Set by `_processMessages` if the SDK iterator throws or ends without + * `result`. Once set, every subsequent `send()` rejects immediately + * with this error rather than parking on `_pendingPromptDeferred.p` + * (which would hang forever — the consumer loop is dead). Cleared by + * dispose, never recovered: post-fatal-error sessions are dead until + * the caller disposes them and creates a new session. Phase 6 has no + * teardown+recreate flow so this is a terminal state. + */ + private _fatalError: Error | undefined; + + constructor( + readonly sessionId: string, + readonly sessionUri: URI, + readonly workingDirectory: URI | undefined, + private readonly _warm: WarmQuery, + private readonly _abortController: AbortController, + private readonly _onDidSessionProgress: Emitter, + @ILogService private readonly _logService: ILogService, + ) { + super(); + // Dispose chain → abort → SDK cleanup (sdk.d.ts:982). + this._register(toDisposable(() => this._abortController.abort())); + // Wake parked iterator on abort so it can return `{ done: true }`. + this._abortController.signal.addEventListener('abort', () => { + this._pendingPromptDeferred.complete(); + }, { once: true }); + // The WarmQuery itself owns disposable resources too. + this._register(toDisposable(() => { + void this._warm[Symbol.asyncDispose]().catch(err => + this._logService.warn(`[ClaudeAgentSession] WarmQuery dispose failed: ${err}`)); + })); + } + + /** + * Push a prompt onto the queue and await the turn's completion (the + * `result` SDKMessage). Throws `CancellationError` if the session has + * already been aborted. Throws the stored `_fatalError` if the + * background `_processMessages` loop has died (S7: prevents silent + * infinite hangs on retry-after-fatal). The first call also binds the + * prompt iterable to the WarmQuery and kicks off `_processMessages`. + */ + async send(prompt: SDKUserMessage, turnId: string): Promise { + if (this._abortController.signal.aborted) { + throw new CancellationError(); + } + if (this._fatalError) { + // Loop is dead. Reject immediately rather than parking on a + // deferred no consumer will ever pop. Caller must dispose and + // recreate the session to recover. + throw this._fatalError; + } + if (!this._query) { + this._query = this._warm.query(this._createPromptIterable()); + // Fire-and-forget: errors propagate via QueuedRequest.deferred, + // and any post-loop crash is captured into `_fatalError`. + void this._processMessages().catch(err => + this._logService.error(`[ClaudeAgentSession] _processMessages crashed: ${err}`)); + } + const deferred = new DeferredPromise(); + this._inFlightRequests.push({ prompt, deferred, turnId }); + this._queuedPrompts.push(prompt); + this._pendingPromptDeferred.complete(); + return deferred.p; + } + + private _createPromptIterable(): AsyncIterable { + return { + [Symbol.asyncIterator]: () => ({ + next: async () => { + while (this._queuedPrompts.length === 0) { + if (this._abortController.signal.aborted) { + return { done: true, value: undefined }; + } + await this._pendingPromptDeferred.p; + this._pendingPromptDeferred = new DeferredPromise(); + } + return { done: false, value: this._queuedPrompts.shift()! }; + }, + }), + }; + } + + private async _processMessages(): Promise { + try { + for await (const message of this._query!) { + if (this._abortController.signal.aborted) { + throw new CancellationError(); + } + if (message.type === 'system' && (message as SDKSystemMessage).subtype === 'init' && !this._isResumed) { + this._isResumed = true; + } + // Mapper needs the current turn's `turnId` to populate + // `SessionAction.turnId` (actions.ts:238, 256, 465, 526). + // Phase 6 always has exactly one in-flight request when + // streaming is active; reading the head element is safe. + const turnId = this._inFlightRequests[0]?.turnId; + if (turnId !== undefined) { + try { + const signals = mapSDKMessageToAgentSignals( + message, + this.sessionUri, + turnId, + this._mapperState, + this._logService, + ); + for (const signal of signals) { + this._onDidSessionProgress.fire(signal); + } + } catch (mapperErr) { + // Q12 rule 1: defense-in-depth. Don't kill the turn on a + // single malformed SDK message. + this._logService.warn(`[ClaudeAgentSession] mapper threw, skipping message: ${mapperErr}`); + } + } + if (message.type === 'result') { + if ((message as SDKResultMessage).is_error) { + this._logService.warn(`[ClaudeAgentSession] result.is_error: ${(message as SDKResultMessage).error_during_execution ?? 'unknown'}`); + } + const completed = this._inFlightRequests.shift(); + completed?.deferred.complete(); + } + } + // S6: if the SDK iterator closed cleanly while aborted (sdk.d.ts:982 + // says "stop and clean up resources" — a graceful close is allowed), + // surface as `CancellationError`, not a generic "ended without result" + // failure. Phase 9's cancellation discrimination (§8.3) depends on + // this being a `CancellationError` instance. + if (this._abortController.signal.aborted) { + throw new CancellationError(); + } + // Generator ended without `result` for any in-flight request. + throw new Error('Claude SDK stream ended without result'); + } catch (err) { + // S7: latch the failure so subsequent `send()` calls reject + // immediately. Without this, a retry pushes a prompt into + // `_queuedPrompts` and parks on `_pendingPromptDeferred.p` + // — the loop is dead, the prompt never drains, hang forever. + this._fatalError = err instanceof Error ? err : new Error(String(err)); + for (const req of this._inFlightRequests) { + if (!req.deferred.isSettled) { + req.deferred.error(err); + } + } + this._inFlightRequests = []; + throw err; + } + } +} +``` + +**Why a queue of length ≤ 1 instead of a single `_currentRequest`**: `_sessionSequencer` (§3.8) guarantees serialized first-call materialization and serialized subsequent sends, so the queue is currently always length ≤ 1. The queue shape is preserved because Phase 7+ (tools) introduces intra-turn waits that may need short bursts of >1 in-flight, and we don't want to refactor the loop later. + +**Why the AbortController drives prompt-iterable termination** (Q9): the controller is already (a) the SDK's cancellation contract, (b) the dispose-chain endpoint via `toDisposable(() => abort())`, (c) the shutdown-cascade signal. Reusing it as the iterator's "done" condition keeps the entire session lifecycle on a single observable signal. No bespoke `_isDisposed` flag. + +### 3.6 `claudeMapSessionEvents.ts` — pure helper + +Mirrors Copilot's `mapSessionEvents.ts`. Pure function that takes one `SDKMessage` plus the `sessionUri`, the active `turnId`, and mutable mapper state, and returns zero or more `AgentSignal`s. Pure-function testability is the reason it's its own module instead of a private method on the session class. + +```ts +// claudeMapSessionEvents.ts + +export interface IClaudeMapperState { + /** content_block index → response part id. Owned by the session, cleared on message_start. */ + readonly currentBlockParts: Map; +} + +/** + * Map one SDK message to zero or more agent signals. + * + * `session` is the session URI used for the `IAgentActionSignal.session` + * envelope (`agentService.ts:293-298`) and for the `SessionAction.session` + * field on every emitted action (`actions.ts:233-258, 460-465, 521-526`). + * + * `turnId` is the protocol turn id originating from the client-driven + * `SessionTurnStarted` action (`agentSideEffects.ts:670` case handler). + * Every emitted action requires it; the session reads it from the head + * of `_inFlightRequests` per Phase-6's single-in-flight invariant. + * + * Phase 6 emits: + * - `SessionResponsePart(Markdown)` on `content_block_start` with text type + * - `SessionResponsePart(Reasoning)` on `content_block_start` with thinking type + * - `SessionDelta` on `content_block_delta` with text_delta + * - `SessionReasoning` on `content_block_delta` with thinking_delta + * - `SessionUsage` on `result` (or `message_delta` if usage is set) + * - `SessionTurnComplete` on `result` + * + * Phase 6 deliberately does NOT emit `SessionTurnStarted` — that's + * `AgentSideEffects`' job (`agentSideEffects.ts:484` for the dispatch, + * `:670` for the case handler that calls `agent.sendMessage`). And + * `SessionError` is dispatched by `AgentSideEffects.catch()` chain on + * `sendMessage` (`agentSideEffects.ts:704`). + * + * Reducer ordering invariant: the protocol reducer at `actions.ts:233, 460` + * REQUIRES `SessionResponsePart` to precede any `SessionDelta` / + * `SessionReasoning` for that part id. The mapper allocates the part + * before the first delta; tests assert ordering, not just presence. + */ +export function mapSDKMessageToAgentSignals( + message: SDKMessage, + session: URI, + turnId: string, + state: IClaudeMapperState, + logService: ILogService, +): AgentSignal[] { + // ... (see §4 for the full table) +} +``` + +The body implements the full Q7 mapping table from the planning conversation. Trace-log + skip for unhandled types so unexpected SDK additions don't throw. + +### 3.7 `claudePromptResolver.ts` — pure helper + +Builds the `Anthropic.ContentBlockParam[]` from a prompt string + serialized `IAgentAttachment[]`. Pure, no I/O. + +```ts +// claudePromptResolver.ts + +export function resolvePromptToContentBlocks( + prompt: string, + attachments?: readonly IAgentAttachment[], +): Anthropic.ContentBlockParam[] { + const blocks: Anthropic.ContentBlockParam[] = [{ type: 'text', text: prompt }]; + if (!attachments?.length) { + return blocks; + } + const refLines: string[] = []; + for (const att of attachments) { + switch (att.type) { + case AttachmentType.File: + case AttachmentType.Directory: + refLines.push(`- ${uriToString(att.uri)}`); + break; + case AttachmentType.Selection: { + const line = att.selection ? `:${att.selection.start.line + 1}` : ''; + refLines.push(`- ${uriToString(att.uri)}${line}`); + if (att.text) { + refLines.push('```'); + refLines.push(att.text); + refLines.push('```'); + } + break; + } + } + } + blocks.push({ + type: 'text', + text: '\nThe user provided the following references:\n' + + refLines.join('\n') + + '\n\nIMPORTANT: this context may or may not be relevant to your tasks. ' + + 'You should not respond to this context unless it is highly relevant to your task.\n' + + '', + }); + return blocks; +} + +function uriToString(uri: URI): string { + return uri.scheme === 'file' ? uri.fsPath : uri.toString(); +} +``` + +**Extension-ahead-of-protocol notes** (record but not Phase 6 work): the production extension at [`claudePromptResolver.ts`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudePromptResolver.ts) handles inline range substitution and binary-image extraction. Protocol's `IAgentAttachment` carries neither today. When images land, follow the extension's `image` content block path; when inline ranges land, port the descending-sort replacement loop. + +**Selection branch is dead-code in Phase 6** (S4 from review). `IAgentAttachment` (`agentService.ts:243-254`) carries `text` and `selection` for the `Selection` attachment type, but `AgentSideEffects` strips them at the protocol → agent boundary (`agentSideEffects.ts:699-703` for live send and `:934-938` for queued send) — the agent receives only `{ type, uri, displayName }`. The `Selection` switch case in `resolvePromptToContentBlocks` therefore exists for forward-compat (mirroring the production extension's shape) but never executes in Phase 6. A future phase that expands `AgentSideEffects` to forward `text` + `selection` activates it without resolver changes. Phase 6 must NOT touch `agentSideEffects.ts` to enable selection rendering — that scope expansion is deferred. + +### 3.8 `sendMessage` — sequencer + materialize-first + entry.send + +```ts +async sendMessage( + session: URI, + prompt: string, + attachments?: IAgentAttachment[], + turnId?: string, +): Promise { + const sessionId = AgentSession.id(session); + // `IAgent.sendMessage` declares `turnId?` (agentService.ts:424) but + // every production caller in `AgentSideEffects` supplies one + // (`agentSideEffects.ts:704, :939`). Generate a fallback so the + // session-side `QueuedRequest.turnId: string` invariant holds even + // if a hypothetical future caller forgets it; tests can rely on + // their explicit value being passed through. + const effectiveTurnId = turnId ?? generateUuid(); + return this._sessionSequencer.queue(sessionId, async () => { + let entry = this._sessions.get(sessionId); + if (!entry) { + if (this._provisionalSessions.has(sessionId)) { + entry = await this._materializeProvisional(sessionId); + } else { + throw new Error(`Cannot send to unknown session: ${sessionId}`); + } + } + + const contentBlocks = resolvePromptToContentBlocks(prompt, attachments); + const sdkPrompt: SDKUserMessage = { + type: 'user', + message: { role: 'user', content: contentBlocks }, + session_id: sessionId, + parent_tool_use_id: null, + }; + + await entry.send(sdkPrompt, effectiveTurnId); + }); +} +``` + +**Sequencer scope**: the `queue(sessionId, ...)` block holds the sequencer through both materialize AND `entry.send`. This guarantees: (a) two concurrent first-message calls serialize into one materialization plus two ordered sends, (b) a `disposeSession` racing a first send reaches the dispose-sequencer eventually but the in-flight materialize completes its own work first, (c) Phase 7+ intra-turn waits don't deadlock because they happen inside `entry.send` after the sequencer has been entered (sequencer is per-key, not global). + +**`entry.send` returns the deferred** for the in-flight turn, so `sendMessage` only resolves when `result` arrives. AgentSideEffects' `.catch()` at [`agentSideEffects.ts:704`](../agentSideEffects.ts#L704) sees errors and dispatches `SessionError`. + +### 3.9 `shutdown` — drain provisional then sessions + +Phase 5's `shutdown` already serializes per-session teardown via `_disposeSequencer`. Phase 6 prepends a provisional drain so any in-flight `await sdk.startup()` aborts cleanly. + +```ts +shutdown(): Promise { + return this._shutdownPromise ??= (async () => { + // Q8: cancel any provisional sessions mid-materialize. Their + // AbortControllers are wired into Options.abortController, so + // aborting unblocks any in-flight `await sdk.startup()`. + for (const provisional of this._provisionalSessions.values()) { + provisional.abortController.abort(); + } + this._provisionalSessions.clear(); + + // Existing Phase-5 drain. Each ClaudeAgentSession registers + // `toDisposable(() => abortController.abort())`, so disposing + // them aborts their SDK Query. + const sessionIds = [...this._sessions.keys()]; + await Promise.all(sessionIds.map(sessionId => + this._disposeSequencer.queue(sessionId, async () => { + this._sessions.deleteAndDispose(sessionId); + }), + )); + })(); +} +``` + +`disposeSession(uri)` for a still-provisional session is a new branch: + +```ts +disposeSession(session: URI): Promise { + const sessionId = AgentSession.id(session); + return this._disposeSequencer.queue(sessionId, async () => { + const provisional = this._provisionalSessions.get(sessionId); + if (provisional) { + provisional.abortController.abort(); + this._provisionalSessions.delete(sessionId); + return; + } + this._sessions.deleteAndDispose(sessionId); + }); +} +``` + +## 4. SDK message → `AgentSignal` mapping (Phase 6 table) + +`Options.includePartialMessages: true` means we receive raw `stream_event` SDKMessages for true per-token streaming. `assistant` SDKMessages still arrive but text content is NOT re-emitted (already streamed via `stream_event`). This is a UX upgrade over the production extension which doesn't set the flag. + +| SDKMessage | AgentSignal(s) / behavior | +|---|---| +| `system` (subtype `init`) | Set `_isResumed = true`. No signal. | +| `stream_event` → `message_start` | Clear `_currentBlockParts`. No signal. | +| `stream_event` → `content_block_start` (text) | Allocate new partId, emit `SessionResponsePart(Markdown)`. Store `currentBlockParts.set(event.index, partId)`. | +| `stream_event` → `content_block_start` (thinking) | Allocate new partId, emit `SessionResponsePart(Reasoning)`. Store. | +| `stream_event` → `content_block_start` (tool_use) | **Skip + warn.** No partId allocated. Defense-in-depth — `canUseTool: deny` should prevent this. | +| `stream_event` → `content_block_delta` (text_delta) | Emit `SessionDelta(currentBlockParts.get(event.index), event.delta.text)`. | +| `stream_event` → `content_block_delta` (thinking_delta) | Emit `SessionReasoning(partId, event.delta.thinking)`. | +| `stream_event` → `content_block_delta` (input_json_delta) | No-op (tool input parameters; out of Phase 6 scope). | +| `stream_event` → `content_block_stop` | `currentBlockParts.delete(event.index)`. No signal. | +| `stream_event` → `message_delta` | If `usage` present, emit `SessionUsage`. | +| `stream_event` → `message_stop` | No signal (turn-complete is driven by `result`, not stream_event). | +| `assistant` (whole message) | Used ONLY for metadata: error-field log, defense-in-depth tool_use verification. Text content NOT re-emitted. | +| `result` | Emit `SessionUsage` (if not already emitted via message_delta) then `SessionTurnComplete`. | +| `system` (subtype `compact_boundary`) | No-op (Phase 6 has no context management). | +| `user` (tool_result) | No-op (Phase 7 territory). | +| Other | Trace-log + skip. | + +**Reducer ordering invariant** (`actions.ts:233, 460`): `SessionResponsePart` MUST precede any `SessionDelta` / `SessionReasoning` for that part id. The mapper allocates parts before deltas; tests assert ordering not just presence (Tests 6, 7 in §5). + +## 5. Test cases + +`ensureNoDisposablesAreLeakedInTestSuite()` stays at the top of the suite (preserved from Phase 5). + +### 5.1 Unit tests (15 new cases) + +1. **`createSession` non-fork → `provisional: true`.** Result has `provisional: true`. `_provisionalSessions` has one entry. `_sessions` is empty. SDK was NOT called (`startupCallCount === 0`, `listSessionsCallCount === 0`). Database was NOT opened (`openDatabaseCallCount === 0`). +2. **`createSession` with `config.fork` → throws "TODO: Phase 6.5".** No side effects. +3. **First `sendMessage` on a provisional session → materializes.** `onDidMaterializeSession` fires exactly once. `startupCallCount === 1`. After completion, `_sessions` has the entry, `_provisionalSessions` is empty. +4. **Materialize event payload shape.** `{ session: , workingDirectory: , project: undefined }` (project field is optional and tests don't set up gitService). +5. **Two `sendMessage` calls on the same session → reuses Query.** `startupCallCount === 1` after both. Both deferreds complete on their respective `result` messages. +6. **Assistant text block → `SessionResponsePart(Markdown)` precedes `SessionDelta`.** Capture all signals from `_onDidSessionProgress`. Assert the first `SessionDelta` for partId X is preceded by exactly one `SessionResponsePart(kind=Markdown, partId=X)` for the same X. +7. **Assistant thinking block → `SessionResponsePart(Reasoning)` precedes `SessionReasoning`.** Same shape as test 6, kind=Reasoning. +8. **`result` SDKMessage → `SessionUsage` then `SessionTurnComplete` in that order.** Snapshot the suffix of the signal sequence after the last delta. +9. **Multiple text blocks in one assistant message → each gets its own part allocation.** Two `content_block_start(text)` events at indices 0 and 1. Assert two distinct partIds were allocated, deltas routed correctly. +10. **`_isResumed` flips on first `system:init`.** First `sendMessage` produces a session whose `_isResumed === true` after the init message. (Asserted via a getter exposed for test, OR by triggering a teardown+recreate flow that asserts `Options.resume === sessionId` on the second `startup()` — Phase 6 doesn't have teardown+recreate yet, so the getter is acceptable.) +11. **Dispose materialized session → controller aborted; in-flight deferred rejects.** Set `queryAdvance` to block at index 3. Call `sendMessage` (returns pending promise). Call `disposeSession`. Resolve the blocker. Assert: (a) the pending sendMessage promise rejects, (b) `capturedStartupOptions[0].abortController.signal.aborted === true`, (c) `_sessions` no longer has the entry. +12. **Dispose provisional session → no SDK call; map removed.** Create provisional, call `disposeSession`. Assert `_provisionalSessions` is empty, `startupCallCount === 0`. +13. **Shutdown drain — two scenarios.** + - **(a) Only provisional**: create three sessions, none send. Call `shutdown()`. Assert `startupCallCount === 0`, `_provisionalSessions` is empty. + - **(b) Mixed provisional + materialized**: create three sessions, send on two (leaving one provisional). With `queryAdvance` blocking, call `shutdown()`. Assert all three deferreds resolve/reject (the two materialized reject with abort, the provisional one was never awaiting send), `_sessions` and `_provisionalSessions` both empty, controller of every entry was aborted. +14. **Mapper throws on a malformed `stream_event` → log + continue.** Inject a malformed message at index 2 via `nextQueryMessages`. Assert: warn was logged once, signals from indices 0, 1, 3, 4 emitted normally, turn completes via `result`. +15. **Attachment conversion (File / Directory only).** S4 from review: `text` and `selection` fields on `IAgentAttachment` are dropped by `AgentSideEffects` before reaching the agent (`agentSideEffects.ts:699-703, :934-938`), so a Selection-shape input is not realistically reachable in Phase 6. Test the realistic path: `sendMessage('hi', [{type: AttachmentType.File, uri: URI.parse('file:///a')}, {type: AttachmentType.Directory, uri: URI.parse('file:///b')}])`. After the call, inspect `FakeQuery.capturedPrompt` — the first `SDKUserMessage`'s `content` is `[{type:'text', text:'hi'}, {type:'text', text: matches /^[\s\S]*\/a[\s\S]*\/b/ }]`. Selection rendering is deferred to a future phase that expands `AgentSideEffects` to forward `text` + `selection`; the resolver's `Selection` branch is dead-code until then (per §3.7 note). + +### 5.2 Integration test (1 case) + +**File**: [../../test/node/claudeAgent.integration.test.ts](../../test/node/claudeAgent.integration.test.ts) + +Real `ClaudeProxyService` + real `@anthropic-ai/claude-agent-sdk` + stubbed `ICopilotApiService` returning a canned Anthropic stream `[message_start, content_block_start(text), content_block_delta('hello'), content_block_stop, message_delta(usage), message_stop]` followed by terminal SDK messages so `result` arrives. + +Asserts: +- The full proxy → SDK → mapper → AgentSignal pipeline emits the expected signal sequence. +- The SDK subprocess actually forks (assert `process.execPath` was used as executable). +- `Options.env` strip behavior: `NODE_OPTIONS` is undefined in the subprocess env, `ELECTRON_RUN_AS_NODE === '1'`. +- Cleanup: dispose the agent, no orphan subprocesses (assert `ps` doesn't show stale `claude-agent-sdk` children — or rely on the SDK's own `[Symbol.asyncDispose]` contract and assert no unhandled rejections). + +This test is the single real-world validator that the proxy's `ANTHROPIC_BASE_URL`/`ANTHROPIC_AUTH_TOKEN` plumbing actually works against the SDK. Roadmap explicit requirement at [roadmap.md L532](roadmap.md#L532). + +### 5.3 Removed from earlier draft + +- **(was) "SDK load failure → sendMessage rejects"**: Phase 5 already covers SDK lazy-load failure via `listSessions`. The new `startupRejection` field on `FakeClaudeAgentSdkService` covers init failure as a setup variant of test 3, not a separate test. + +### 5.4 Nice-to-have (not gating) + +- Concurrent `sendMessage` serialization via `_sessionSequencer`. +- `sendMessage` after shutdown → reject with `CancellationError`. +- `tool_use` leakage guard: if SDK ever delivers `content_block_start(tool_use)` despite `canUseTool: deny`, mapper skips + warns; the loop doesn't hang. + +## 6. Risks / gotchas + +| Risk | Mitigation | +|---|---| +| `startup()` doesn't honor `Options.abortController` during init handshake. | Belt-and-suspenders: after `await sdk.startup()` resolves, check `provisional.abortController.signal.aborted`; if true, `await warm[Symbol.asyncDispose]()` and throw `CancellationError`. Integration test exercises real abort during init. | +| `assistant` SDKMessages double-emit text already streamed via `stream_event`. | Mapper rule: with `includePartialMessages: true`, `assistant` whole-messages contribute ZERO `SessionDelta` / `SessionResponsePart` signals — only metadata (errors, defense-in-depth tool_use detection). Tests 6, 7, 9 codify the no-double-emit invariant. | +| Reducer corruption from out-of-order signals (`SessionDelta` before `SessionResponsePart`). | Mapper allocates the part on `content_block_start` BEFORE any deltas can arrive (deltas are SDK-ordered). Tests 6, 7 assert the precedence directly. | +| `tool_use` block leaks through `canUseTool: deny`. | Mapper skips + warns at `content_block_start(tool_use)`. Loop continues. SDK eventually surfaces the failed call via `result.error_during_execution`, which we log but don't re-raise. Test 5.4 nice-to-have. | +| `process.execPath` in a utility process needs `ELECTRON_RUN_AS_NODE=1`. | `_buildSubprocessEnv()` sets it. Mirror of `copilotAgent.ts:434-450`. Integration test asserts the env value. | +| `NODE_OPTIONS` from the parent Electron process breaks the Claude subprocess. | `_buildSubprocessEnv()` strips it via `undefined` (Options.env semantics, sdk.d.ts:1075-1078). Integration test asserts `NODE_OPTIONS === undefined` in the spawn env. | +| Provisional session resurrected by a duplicate `createSession` after the user disposed it. | `disposeSession(uri)` removes the provisional entry AND aborts its controller. A subsequent `createSession` for the same URI creates a new provisional record (new AbortController). The Phase-5 idempotency guard (`if (this._sessions.has(sessionId)) return ...`) only fires for already-materialized sessions; provisional re-creates after dispose are a fresh provisional. | +| `_sessionSequencer` and `_disposeSequencer` deadlock. | They are SEPARATE sequencers with the same key (sessionId). `disposeSession` enters `_disposeSequencer`; `sendMessage` enters `_sessionSequencer`. They can run in parallel for the same session. The race is benign: a concurrent dispose during materialize aborts the AbortController, which causes `await sdk.startup()` to reject inside `_sessionSequencer`. | +| Materialize-during-dispose race surfaces a half-born session in `_sessions`. | The `provisional.abortController.signal.aborted` check after `await sdk.startup()` (Q8 belt-and-suspenders) catches this and disposes the WarmQuery. Test 13b codifies. | +| `Query` AsyncIterable doesn't terminate on abort. | The session's `_processMessages` checks `signal.aborted` at the top of every iteration. The mapper's no-op fall-through plus the prompt iterable's abort-aware termination means we drop out of the `for await` cleanly. SDK comment at sdk.d.ts:982 promises Query cleanup on abort. | +| Workbench client retries `createSession` over a re-connection while the original `sendMessage` is still materializing. | Idempotency: the second `createSession` finds the session in `_provisionalSessions` and returns the same URI without creating a new record. The in-flight materialize on the first connection's send completes normally; the second connection awaits its own send. | +| `result.is_error: true` causes the turn to look stuck. | Mapper still emits `SessionTurnComplete` after logging the warning. `is_error` is informational on a successful turn (model decided to error in-band). Test in §5.4 nice-to-have. | +| Phase 9 cancellation looks like Phase 6 error. | Documented limitation: dispose-driven cancellation rejects in-flight deferred with `CancellationError`. AgentSideEffects doesn't yet discriminate, so it dispatches `SessionError` during shutdown. Harmless (state manager being torn down) but technically wrong. Phase 9 follow-up: discriminate `isCancellationError` in AgentSideEffects OR dispatch `SessionTurnCancelled` from the agent before reject. Cited in §8. | + +## 7. Acceptance criteria + +The PR is **done** when every box below is checked. + +### 7.1 Code structure + +- [ ] [claudeAgentSdkService.ts](claudeAgentSdkService.ts) exposes `startup()` on both `IClaudeSdkBindings` and `IClaudeAgentSdkService`. Phase-5 surface preserved. +- [ ] [claudeAgentSession.ts](claudeAgentSession.ts) is a Query owner with the fields enumerated in §3.5. Constructor takes `WarmQuery`, `AbortController`, and the agent's progress emitter. `dispose()` aborts the controller and disposes the WarmQuery. +- [ ] [claudeAgent.ts](claudeAgent.ts) has `_provisionalSessions: Map`, `_onDidMaterializeSession` Emitter, `_sessionSequencer: SequencerByKey` distinct from `_disposeSequencer`. `_createSessionWrapper` updated to take WarmQuery + AbortController. +- [ ] `createSession` non-fork returns `provisional: true`, fork branch throws `TODO: Phase 6.5`. +- [ ] `_materializeProvisional` builds the SDK `Options` per §3.4 (env strip, settings.env, includePartialMessages, canUseTool deny, abortController). +- [ ] [claudeMapSessionEvents.ts](claudeMapSessionEvents.ts) is a pure helper module exporting `mapSDKMessageToAgentSignals` and `IClaudeMapperState`. No I/O. No DI. +- [ ] [claudePromptResolver.ts](claudePromptResolver.ts) is a pure helper exporting `resolvePromptToContentBlocks`. No I/O. No DI. +- [ ] All Phase-7+ stubs (`respondToPermissionRequest`, `respondToUserInputRequest`, etc.) still throw `TODO: Phase N`. +- [ ] No `as any` / `as unknown as Foo` casts in production or test code. +- [ ] Microsoft copyright header on every new file. + +### 7.2 Persistence invariants (assert in tests) + +- [ ] Non-fork `createSession` does NOT call `ISessionDataService.openDatabase` or `tryOpenDatabase`, and does NOT call any `IClaudeAgentSdkService` method (no `startup()`, no `listSessions()`). +- [ ] `createSession({ fork })` rejects with a `TODO: Phase 6.5` error and produces no side effects. +- [ ] Materialize is the FIRST `startup()` call; `startupCallCount === 1` after first `sendMessage`, regardless of how many `createSession` retries happened beforehand. +- [ ] Dispose materialized session aborts the AbortController and rejects in-flight deferreds. +- [ ] Dispose provisional session does NOT call `startup()` and does NOT touch `_sessions`. + +### 7.3 Compile + lint + layers + +- [ ] `VS Code - Build` task shows zero TypeScript errors. If task is unavailable, `npm run compile-check-ts-native` exits 0. +- [ ] `npm run eslint -- src/vs/platform/agentHost/node/claude src/vs/platform/agentHost/test/node/claudeAgent.test.ts src/vs/platform/agentHost/test/node/claudeAgent.integration.test.ts` exits 0. +- [ ] `npm run valid-layers-check` exits 0. +- [ ] `npm run hygiene` exits 0. + +### 7.4 Tests + +- [ ] All Phase-5 cases still pass (no regression). +- [ ] All 15 unit cases from §5.1 pass. +- [ ] The integration test in §5.2 passes against the real SDK. +- [ ] `scripts/test.sh --grep ClaudeAgent` exits 0. +- [ ] `scripts/test-integration.sh --grep claudeAgent` exits 0 (or the equivalent integration runner per the workspace's test conventions). + +### 7.5 Live-system smoke (mandatory before merging) + +Phase-6 smoke checklist (6 boxes): + +- [ ] **Provisional defers `sessionAdded`.** Open new-chat, pick Claude, pick folder. The session appears in the workbench list ONLY after the first message lands. +- [ ] **Per-token streaming.** Type "hi" → assistant text appears incrementally (visible chunks during the response, not just at completion). +- [ ] **Persistence after first turn.** After the first turn completes, the session shows up in `listSessions()` (workbench reload — session is there). +- [ ] **Second turn reuses Query.** Second prompt streams without re-materializing, prior turn's content remains visible. +- [ ] **Mid-turn dispose.** Send a long-response prompt, dispose the session mid-stream. No unhandled rejection in the agent host log; session removed cleanly from the workbench. +- [ ] **Clean process teardown.** Kill the agent host process; `ps aux | grep claude` shows no orphan subprocesses; next startup has no error spam. + +(Fork smoke moves to Phase 6.5.) + +### 7.6 PR readiness + +- [ ] PR title: `agentHost/claude: Phase 6 — sendMessage (single-turn, no tools)`. +- [ ] PR description links to [roadmap.md](roadmap.md) Phase 6 and to this plan; notes that exit criteria are met. +- [ ] PR description lists the implemented changes vs the still-stubbed methods + their target phase. +- [ ] PR description calls out the deferred Phase 6.5 fork, the Phase 9 cancellation discrimination follow-up, and the canUseTool deny stub as Phase 7 surface. + +## 8. Phase 6.5 / Phase 7+ contract notes + +These are decisions Phase 6 locks down so later phases are pure-additive. + +### 8.1 Phase 6.5 — fork + +**Critical SDK divergence from CopilotAgent**: Claude SDK's `forkSession(sessionId, { upToMessageId, title })` at [sdk.d.ts:540-565](../../../../../../node_modules/@anthropic-ai/claude-agent-sdk/sdk.d.ts) takes a **message UUID**, not an event id. This is structurally different from CopilotAgent's `getNextTurnEventId(turnId) → toEventId` pattern. Mirroring CopilotAgent's pattern would have been wrong. + +**Phase 6.5 implementation outline**: +- Add `forkSession` to `IClaudeSdkBindings` and `IClaudeAgentSdkService`. +- In `createSession({ fork })`, walk `sdk.getSessionMessages(srcSessionId)` to compute the `protocolTurnId → assistantMessageUuid` mapping lazily at fork time. SDK transcript is the source of truth — no Phase-6 metadata write needed. +- Resume the forked session so the SDK loads the forked history. +- Persist the customization-directory metadata via `setMetadata` on the forked session. +- Phase 6.5 is a stacked PR on top of Phase 6. + +### 8.2 Phase 7 — `canUseTool` + +Phase 6's stub returns `{ behavior: 'deny', message: 'Tools are not yet enabled for this session (Phase 6).' }`. Phase 7 flips this to call `IToolPermissionService.canUseTool(...)` (mirrors [`claudeCodeAgent.ts:467`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L467)). The mapper's defense-in-depth `tool_use` skip+warn becomes a pass-through to a new tool-call signal. + +### 8.3 Phase 9 — cancellation discrimination in AgentSideEffects + +Documented limitation: Phase 6's dispose-driven cancellation rejects in-flight deferreds with `CancellationError`. AgentSideEffects' `.catch()` at [`agentSideEffects.ts:704`](../agentSideEffects.ts#L704) doesn't yet discriminate cancellation from real failure, so it dispatches `SessionError` during shutdown. Phase 9's `abortSession` work needs to either (a) discriminate `isCancellationError` in AgentSideEffects, (b) dispatch `SessionTurnCancelled` from the agent before reject, or (c) both. + +### 8.4 Phase 7+ — `ClaudeMessageProcessor` extraction trigger + +Phase 6 keeps `_processMessages` as a private method on `ClaudeAgentSession`. The single-class decision is right at this surface area: the mapper helper already gives us pure-function testability, and the loop itself is thin orchestration. + +**Trigger to extract**: when `_processMessages` accretes any of: +- Tool-use dispatch (Phase 7) with `unprocessedToolCalls` map + per-tool span tracking. +- Hook-event handling (Phase 11) with `otelHookSpans` map. +- Edit-tracker integration (Phase 8). +- Subagent trace contexts (Phase 12). +- OTel `invoke_agent` span lifecycle. + +At that point — likely Phase 7 — extract a `ClaudeMessageProcessor` helper class registered (`_register`'d) by the session. Mirrors how the production extension's [`claudeCodeAgent.ts:578-700`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L578-L700) has clearly distinct concerns mashed together — we want to split them when they actually exist, not pre-emptively. + +### 8.5 Phase 7+ — sequencer reconvergence trigger + +Phase 6 deliberately uses **two separate** per-session sequencers: +- `_disposeSequencer` (Phase 5, teardown) at `claudeAgent.ts:153-165` +- `_sessionSequencer` (Phase 6, send + materialize) + +CopilotAgent uses a **single** sequencer ([`copilotAgent.ts:265`](../copilot/copilotAgent.ts#L265)) for sends, disposes, model changes, archive, etc. Phase 6's two-sequencer split is safe today because dispose and send are linked through the AbortController cascade: dispose → abort → SDK Query unwinds → `_processMessages` exits → in-flight deferred rejects. The sequencers don't deadlock because each holds a different per-key lock. + +**Trigger to converge**: when Phase 7 introduces tool-call confirmations that hold longer-lived in-flight state on the session (e.g. waiting on `respondToPermissionRequest`), the AbortController cascade is no longer the only synchronization point. At that phase, audit whether dispose-during-tool-confirmation needs a single sequencer to serialize. If yes, fold `_disposeSequencer` into `_sessionSequencer` and route both `disposeSession` and `sendMessage` through the same `queue(sessionId, ...)`. Mirrors CopilotAgent. + +### 8.6 Production extension `sdk.startup()` adoption (out of scope, recorded) + +The extension at [`claudeCodeAgent.ts:487`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L487) uses `query({ prompt, options })` directly. `sdk.startup()` is a strict upgrade for any "session is created before first prompt" flow but the extension doesn't have provisional/materialize semantics, so the gain is purely about subprocess pre-warming. Not on the agent-host roadmap. + +## 9. Resolved decisions (grilling outcomes) + +The full grilling transcript locked these. Recording the conclusions here so a fresh-context reader sees the rationale. + +**Q1: `canUseTool` stub.** Returns `{ behavior: 'deny', ... }`, not `allow`. `allow` would actually execute tools (filesystem mutations + multi-turn loops), exceeding Phase-6 scope. Mapper skip+warn for `tool_use` blocks is defense-in-depth on top. + +**Q2: Fork → Phase 6.5.** Claude SDK's `forkSession` API is structurally different from Copilot's (message UUID vs event id). Doing it right requires `sdk.getSessionMessages` lookup. Stacked PR keeps Phase 6 focused. + +**Q3: Skip metadata write on materialize, lazy backfill in Phase 6.5.** No `protocolTurnId → messageUUID` mapping written in Phase 6 because Phase 6 doesn't need it; Phase 6.5 computes lazily from `sdk.getSessionMessages(srcId)` on fork. + +**Q4: Materialization timing — `sdk.startup()`.** `startup({ options })` forks subprocess and completes init handshake before returning `WarmQuery`. Fire `onDidMaterializeSession` AFTER the await resolves → no phantom-session bug. + +**Q5: `_processMessages` on session class.** Not extracted to a separate class in Phase 6. Mapper helper provides the testability seam; the loop itself is thin. Extraction trigger documented (§8.4). + +**Q6: Signal emission via shared `Emitter`.** Session emits via the agent's emitter (passed in constructor) — not its own. Mirrors CopilotAgent's pattern. + +**Q7: `includePartialMessages: true`.** Per-token streaming UX. Production extension doesn't set this (chunky UX); we do. + +**Q8: Shutdown-during-materialize race.** Per-session `AbortController` lives on the provisional record. Pass into `Options.abortController`. On materialize success, ownership transfers to `ClaudeAgentSession` which registers `toDisposable(() => abort())`. Shutdown loops `_provisionalSessions` calling `abort()`; then drains `_sessions`. Native to SDK contract (sdk.d.ts:982). No agent-level controller, no parent/child wiring, no flags. + +**Q9: Prompt iterable termination via AbortController.** Same controller drives SDK cancellation, dispose chain, and iterator termination. Constructor wires `signal.addEventListener('abort', () => deferred.complete())` to wake parked iterator. No bespoke `_isDisposed` flag. + +**Q10: Attachment conversion → `` block.** Pure helper `claudePromptResolver.ts` mirrors production extension, simplified for the protocol's narrower attachment surface (no images, no inline ranges yet). + +**Q11: Env stripping — two SDK surfaces.** `Options.env` for subprocess process env (strip `NODE_OPTIONS`, `ANTHROPIC_API_KEY`, `VSCODE_*`, `ELECTRON_*`; set `ELECTRON_RUN_AS_NODE=1`). `Options.settings.env` for Claude session config (`ANTHROPIC_BASE_URL`, `ANTHROPIC_AUTH_TOKEN`, `CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC`, `USE_BUILTIN_RIPGREP`, `PATH`). + +**Q12: `_processMessages` error rules.** (1) Mapper throws → log + skip, no propagate. (2) SDK iterator throws OR ends without `result` → drain in-flight with reject + throw. (3) `result.is_error: true` → log warn, still complete the turn normally. Inlined drain (no helper methods — only two call sites). + +**Q13: `FakeClaudeAgentSdkService` shape.** Async-generator iterator, field-based capture, optional `queryAdvance` hook for timing-sensitive tests. `FakeWarmQuery` and `FakeQuery` helpers. + +**Q14: Refined test list.** 15 unit + 1 integration. Removed "SDK load failure" (Phase 5 covers it). Added mapper-throws test and attachment-conversion test (File/Directory only — selection-shape inputs descoped per S4 review finding). Split shutdown-drain into provisional-only and mixed scenarios. diff --git a/src/vs/platform/agentHost/node/claude/roadmap.md b/src/vs/platform/agentHost/node/claude/roadmap.md index 1b7f11699dd03c..a9ac6ce279b699 100644 --- a/src/vs/platform/agentHost/node/claude/roadmap.md +++ b/src/vs/platform/agentHost/node/claude/roadmap.md @@ -339,7 +339,11 @@ Phase 4, (b) the deferred-concerns map for later phases, and (c) the one remaining open question (byte-equivalence) with a concrete plan to close it in Phase 4. No throw-away code committed. -### Phase 4 — `ClaudeAgent` skeleton implementing `IAgent` +### Phase 4 — `ClaudeAgent` skeleton implementing `IAgent` ✅ **DONE** + +Landed in [#313780](https://github.com/microsoft/vscode/pull/313780) +(commit `7211c0f3746`). Live-system smoke completed 2026-05-01 — see +[phase4-plan.md](./phase4-plan.md) §7.8. > **Implementation contract: [phase4-plan.md](./phase4-plan.md).** That file > is the source of truth for the Phase 4 PR — code skeleton, registration diff --git a/src/vs/platform/agentHost/node/claude/smoke.md b/src/vs/platform/agentHost/node/claude/smoke.md index bb9705d7af0f40..b59c258f77f87a 100644 --- a/src/vs/platform/agentHost/node/claude/smoke.md +++ b/src/vs/platform/agentHost/node/claude/smoke.md @@ -3,22 +3,23 @@ A streamlined, repeatable smoke test for the `ClaudeAgent` IAgent provider. Use this whenever a phase changes the boot path, the registration code in `agentHostMain.ts` / `agentHostServerMain.ts`, the model filter in -`isClaudeModel`, or the GitHub-token plumbing through `IClaudeProxyService`. +`isClaudeModel`, the GitHub-token plumbing through `IClaudeProxyService`, +or (Phase 6+) the SDK subprocess fork / message pipeline. -It encodes everything we learned during the Phase 4 live walk so future runs -are deterministic. The two helper scripts under `./scripts/` capture the -boilerplate (launching the app, verifying the logs); the playwright steps -are still operator-driven because they depend on snapshot refs that change -between runs. +It encodes the lessons from the Phase 4 live walk and the Phase 6 cycles +so future runs are deterministic. The two helper scripts under `./scripts/` +capture the boilerplate (launching the app, verifying the logs); the +playwright steps are still operator-driven because they depend on snapshot +refs that change between runs. ## When to run | Phase | What this plan must continue to prove | |-------|--------------------------------------| | 4 (skeleton) | Both providers register; auth reaches `ClaudeAgent`; proxy binds; models surface; first user prompt throws `TODO: Phase 5` (the `createSession` stub fires before `sendMessage`). | -| 5 (sessions) | Same as above PLUS `createSession` succeeds; first user prompt throws `TODO: Phase 6`. | -| 6 (sendMessage) | Same as above PLUS prompt produces SDK output. | -| 7+ | Add per-phase assertion to the table in §6 below. | +| 5 (sessions) | Same as Phase 4 PLUS `createSession` succeeds (`claude:/` URI in IPC log); first user prompt throws `TODO: Phase 6`. **NOTE: Phase 5 was never run live — see §8.** | +| 6 (sendMessage, single-turn, no tools) | Same as Phase 4 PLUS `createSession` returns a *provisional* session (no SDK contact yet); first user prompt materializes the SDK subprocess and **renders a real text response** (no `TODO: Phase` match in the snapshot); IPC log carries `session/responsePart`, `session/delta`, `session/usage`, `session/turnComplete` actions. | +| 7+ | Add per-phase assertion to the table above. | ## Prerequisites @@ -50,10 +51,13 @@ port is listening. ## 2. Verify the agent host wiring (no UI required) ```bash -./src/vs/platform/agentHost/node/claude/scripts/verify-claude-logs.sh +./src/vs/platform/agentHost/node/claude/scripts/verify-claude-logs.sh [--phase=N] ``` -Exits non-zero if any of the five log-level invariants fail: +Default `--phase` is the latest implemented phase (currently 6). Pass +`--phase=4` or `--phase=5` to skip the Phase-6+ session-action checks. + +Exits non-zero if any invariant fails. Always-on checks (any phase ≥ 4): 1. Both `copilotcli` AND `claude` providers registered. 2. `[Claude] Auth token updated` appears (proves `agentService.authenticate` @@ -64,8 +68,21 @@ Exits non-zero if any of the five log-level invariants fail: 5. ≥ 1 Claude-family model id (`claude-opus-*`, `claude-sonnet-*`, …) surfaces in the IPC log — verifies the §3.5 model filter and `tryParseClaudeModelId`. +6. **No fatal error log lines** (any phase — these indicate bugs): + - `[Claude SDK stderr]` (Phase 6 subprocess error stream) + - `[ClaudeAgentSession] _processMessages crashed` (Phase 6 fatal loop) + - `[ClaudeAgentSession] mapper threw, skipping message` (Phase 6 mapper) + - `[Claude] Failed to persist customization directory; aborting materialize` (Phase 6 S5 fatal) + +Phase-6+ checks (only when `--phase ≥ 6` AND the operator has driven a turn +to completion via §4): + +7. ≥ 1 `"type":"session/responsePart"` action in the IPC log (proves the + mapper allocated a part — plan §3.6 reducer ordering invariant). +8. ≥ 1 `"type":"session/turnComplete"` action (proves the SDK reached + `result` and the consumer loop completed the in-flight deferred). -Captured artifacts land in `/tmp/claude-phase4-smoke//`: +Captured artifacts land in `/tmp/claude-smoke//`: - `registration.log` — both `Registering agent provider: …` lines - `auth.log` — `[Claude] Auth token …` @@ -73,6 +90,8 @@ Captured artifacts land in `/tmp/claude-phase4-smoke//`: - `root-state.log` — the claude block from a `RootStateChanged` event - `claude-models.log` — sample of model entries - `claude-session-uris.log` — every `claude:/` URI created +- `negatives.log` — grep results for the four fatal patterns (empty if pass) +- (Phase 6+) `response-actions.log` — sample `session/responsePart`/`turnComplete` envelopes ## 3. Verify the picker UI (operator-driven) @@ -111,7 +130,7 @@ lines. Capture screenshot for the PR: ```bash -SMOKE_DIR=$(ls -td /tmp/claude-phase4-smoke/*/ | head -1) +SMOKE_DIR=$(ls -td /tmp/claude-smoke/*/ | head -1) npx @playwright/cli screenshot --filename="$SMOKE_DIR/picker-open.png" ``` @@ -134,7 +153,15 @@ grep -nE 'Pick Session Type, Claude' "$SNAP" Expected: `button "Pick Session Type, Claude" [ref=…]`. -## 4. Drive a prompt to verify the stub fires +## 4. Drive a prompt + +What the prompt does is phase-dependent: + +- **Phase 4**: hits the `createSession` stub before `sendMessage`, so the snapshot shows `TODO: Phase 5`. +- **Phase 5**: `createSession` succeeds; `sendMessage` stub fires; snapshot shows `TODO: Phase 6`. +- **Phase 6+**: `createSession` returns a *provisional* session; the first `sendMessage` materializes the SDK subprocess and streams a real Claude response. Snapshot shows actual model output (e.g. “Hello! How can I help…”). No `TODO: Phase` match. + +With the picker still showing “Claude” selected, type and submit: ```bash # Find the chat textbox (its label is the placeholder text) @@ -144,31 +171,60 @@ grep -nE 'textbox.*\[active\]' "$SNAP" npx @playwright/cli click npx @playwright/cli type "hello claude" npx @playwright/cli press Enter -sleep 2 ``` -Re-snapshot and grep for the expected stub message: +**Phase 6 timing**: the SDK subprocess fork + init handshake takes a few +seconds on a cold start. Wait ≥5s before the first snapshot: + +```bash +sleep 5 +``` + +Re-snapshot and check the result against the phase you're on: ```bash npx @playwright/cli snapshot SNAP=$(ls -t .playwright-cli/page-*.yml | head -1) +# Phases 4-5 — stub fires; should match exactly one of these: grep -nE 'TODO: Phase' "$SNAP" +# Phase 6+ — should NOT match `TODO: Phase`. Instead grep for response: +grep -nE 'paragraph' "$SNAP" | head -5 ``` -Match the result against the phase-specific table: - | Phase | Expected snapshot match | |-------|------------------------| | 4 | `TODO: Phase 5` (createSession is the first stub on the path) | | 5 | `TODO: Phase 6` (sendMessage stub) | -| 6+ | no `TODO: Phase` match (real SDK response renders) | +| 6+ | no `TODO: Phase` match; one or more `paragraph` nodes with model output | Capture screenshot: ```bash +# Phase 4-5: stub error npx @playwright/cli screenshot --filename="$SMOKE_DIR/stub-error.png" +# Phase 6+: real response +npx @playwright/cli screenshot --filename="$SMOKE_DIR/turn-complete.png" ``` +**Phase 6+ — verify the action stream from logs.** After the turn completes, +re-run the verify script (it will look for `session/responsePart` and +`session/turnComplete` actions in the IPC log): + +```bash +./src/vs/platform/agentHost/node/claude/scripts/verify-claude-logs.sh --phase=6 +``` + +This catches issues that the snapshot can't — e.g. a turn that renders text +in the UI but never emitted `SessionUsage` (broken token accounting), or a +mapper that skipped `content_block_start` and only emitted deltas (broken +ordering invariant). + +> **Expected console error on Phase 6.** A single +> `[ERROR] TODO: Phase 10: Error: TODO: Phase 10` line in the playwright +> console capture is normal — the chat client invokes `setClientTools` to +> register its tool list, which is a Phase 10 stub. It does not affect the +> chat round-trip. Promote this to a check failure in Phase 10. + ## 5. Verify the session URI scheme The session URI is observable in the IPC log, **not** as a @@ -201,12 +257,35 @@ For a phase smoke PR, include in the description: - `registration.log` (two lines) - `picker-open.png` -- `stub-error.png` +- Phases 4–5: `stub-error.png` +- Phase 6+: `turn-complete.png` AND `response-actions.log` (proves the + IPC action stream landed, not just the UI render) - `claude-session-uris.log` (one line per session created) The other captured artifacts are useful for triage if any check fails but need not appear in every PR. +## 8. Phase 5 retroactive gap + +Phase 5 (the `IAgent` provider skeleton) was committed without a live +smoke run. The `--phase=5` row in §1 documents *what would have been* +verified — `createSession` succeeds, IPC log carries a `claude:/` +URI, prompt produces `TODO: Phase 6` — but the Phase 5 PR description +did not include any of the artifacts in §7. + +This is recorded here (rather than fixed retroactively) because Phase 6 +fully replaces the Phase 5 sendMessage path: a Phase 6 smoke run +transitively exercises every Phase 5 code path (provider registration, +auth fan-out, proxy bind, model surface, picker, session URI scheme), +and additionally proves the SDK subprocess fork + message pipeline. + +**Lesson for future phases**: every phase that touches the agent host +boot path or the IAgent surface MUST run this plan and attach the +§7 artifacts to its PR, even if the visible behavior is “stub message +changes from X to Y”. Without a live run, regressions in upstream layers +(authentication, proxy, model filter) only surface at the next phase +that does run live — by which point the bisect window is wider. + ## Appendix — common failures | Symptom | Likely cause | @@ -215,7 +294,13 @@ need not appear in every PR. | `verify-claude-logs.sh` fails at check 1 (`claude` missing) | Same, but for ClaudeAgent. Or import broken. | | `verify-claude-logs.sh` fails at check 2 (`[Claude] Auth token updated` missing) | `agentService.authenticate` is short-circuiting on the first matching provider. The fan-out fix lives in `src/vs/platform/agentHost/node/agentService.ts`. | | `verify-claude-logs.sh` fails at check 5 (zero models) | The §3.5 filter rejected everything. Inspect the upstream `[Copilot] Found N models` log line and check vendor / `supported_endpoints` / `model_picker_enabled` / `tool_calls`. | +| `verify-claude-logs.sh` fails at check 6 (`[Claude SDK stderr]`) | Phase 6 SDK subprocess wrote to stderr. Inspect the captured stderr in `agenthost.log` — likely auth (`401`/`403` from the proxy), missing `node` runtime, or the subprocess can't reach `ANTHROPIC_BASE_URL`. | +| `verify-claude-logs.sh` fails at check 6 (`_processMessages crashed`) | Phase 6 consumer loop hit an uncaught exception. The latched `_fatalError` is in the message; check whether it's a transport error or a bug in `claudeMapSessionEvents.ts`. | +| `verify-claude-logs.sh` fails at check 6 (`Failed to persist customization directory`) | Phase 6 S5 fatal — `_writeCustomizationDirectory` rejected. Check `ISessionDataService.openDatabase` permissions on the user-data-dir. | +| `verify-claude-logs.sh` fails at check 7 (no `session/responsePart`) | Phase 6 mapper returned no signals. The first `content_block_start` may be `tool_use` (Phase 7+) instead of `text`/`thinking`. Or `_inFlightRequests[0]?.turnId` was undefined when the first message arrived (sequencer race). | +| `verify-claude-logs.sh` fails at check 8 (no `session/turnComplete`) | Phase 6 SDK never reached `result`. The subprocess may still be running (cancellation didn't propagate), or the prompt iterable parked permanently. Check for `_processMessages crashed` first. | | Picker shows only "Copilot CLI" but registration log is fine | Root state never propagated. Check the `autorun` in `agentSideEffects.ts` — `_publishAgentInfos` should fire on every `agents` observable change. | -| Stub fires `TODO: Phase 5` but plan expected Phase 6 | Operator clicked Claude on a brand-new session, which hits `createSession` first. Either start from an existing claude session or update the per-phase table in §4. | +| Stub fires `TODO: Phase 5` but plan expected Phase 6 | Operator clicked Claude on a brand-new session, which hits `createSession` first. In Phase 5 this stub is normal; in Phase 6+ it indicates the materialize spine is missing — `createSession` should return `provisional: true` not throw. | +| Phase 6 prompt hangs without rendering text | Either (a) the SDK subprocess never started (check `[ClaudeProxyService]` access logs for the `/v1/messages` POST), (b) the proxy returned non-SSE bytes (check the proxy's stream-loop warn log), or (c) the mapper allocated no part-id and the UI has nothing to render. | | `npx @playwright/cli evaluate` returns a help screen | The command is `eval`, not `evaluate`. Use `--raw` to strip wrapper output. | | `npx @playwright/cli click` retries forever with `pointer-block intercepts` | Use keyboard navigation (`press ArrowDown` + `press Enter`). | diff --git a/src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts b/src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts new file mode 100644 index 00000000000000..7f79819ed82400 --- /dev/null +++ b/src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts @@ -0,0 +1,594 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +/** + * Integration test for Phase 6 ClaudeAgent. + * + * Wires together: + * - Real {@link ClaudeProxyService} bound to a real loopback HTTP listener. + * - Stubbed {@link ICopilotApiService} that yields a canned Anthropic + * `MessageStreamEvent` sequence. + * - Real {@link ClaudeAgent} driving the materialize lifecycle. + * - Recording {@link IClaudeAgentSdkService} that, on `startup()`, + * performs a real HTTP round-trip against the proxy using the + * `Options.settings.env.ANTHROPIC_BASE_URL` / + * `Options.settings.env.ANTHROPIC_AUTH_TOKEN` it received — exactly + * what the real Claude SDK subprocess would do when forked. + * + * The test does NOT fork the bundled `@anthropic-ai/claude-agent-sdk` + * subprocess. That fork is exercised live by the Phase 6 smoke run + * (`smoke.md`). What this test guarantees in CI is the cross-component + * wiring that connects the two: + * - The agent constructs `Bearer .` in a format the + * real proxy's auth parser accepts. + * - The agent passes the proxy's actual `baseUrl` through + * `Options.settings.env`. + * - The proxy's SSE encoding round-trips the canned upstream stream. + * - The agent's strip-env contract on `Options.env` + * (`NODE_OPTIONS===undefined`, `ELECTRON_RUN_AS_NODE==='1'`) is + * captured by what the SDK service receives. + * - Disposing the agent disposes the proxy handle and the WarmQuery + * (no orphan resources). + */ + +import type Anthropic from '@anthropic-ai/sdk'; +import type { Options, Query, SDKMessage, SDKResultSuccess, SDKSessionInfo, SDKSystemMessage, SDKUserMessage, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; +import type { CCAModel } from '@vscode/copilot-api'; +import assert from 'assert'; +import type * as http from 'http'; +import { URI } from '../../../../base/common/uri.js'; +import { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../base/test/common/utils.js'; +import { ServiceCollection } from '../../../instantiation/common/serviceCollection.js'; +import { InstantiationService } from '../../../instantiation/common/instantiationService.js'; +import { ILogService, NullLogService } from '../../../log/common/log.js'; +import { ISessionDataService } from '../../common/sessionDataService.js'; +import { GITHUB_COPILOT_PROTECTED_RESOURCE } from '../../common/agentService.js'; +import { IAgentHostGitService } from '../../node/agentHostGitService.js'; +import { ClaudeAgent } from '../../node/claude/claudeAgent.js'; +import { IClaudeAgentSdkService } from '../../node/claude/claudeAgentSdkService.js'; +import { ClaudeProxyService, IClaudeProxyService } from '../../node/claude/claudeProxyService.js'; +import { ICopilotApiService, type ICopilotApiServiceRequestOptions } from '../../node/shared/copilotApiService.js'; +import { createNoopGitService, createSessionDataService } from '../common/sessionTestHelpers.js'; + +// #region Test fixtures + +const ANTHROPIC_MODEL: CCAModel = { + id: 'claude-opus-4.6', + name: 'Claude Opus 4.6', + vendor: 'Anthropic', + supported_endpoints: ['/v1/messages'], + object: 'model', + version: '4.6', + is_chat_default: false, + is_chat_fallback: false, + model_picker_category: '', + model_picker_enabled: true, + preview: false, + billing: { is_premium: false, multiplier: 1, restricted_to: [] }, + capabilities: { + family: 'test', + limits: { max_context_window_tokens: 200_000, max_output_tokens: 8192, max_prompt_tokens: 200_000 }, + object: 'model_capabilities', + supports: { parallel_tool_calls: true, streaming: true, tool_calls: true, vision: false }, + tokenizer: 'o200k_base', + type: 'chat', + }, + policy: { state: 'enabled', terms: '' }, +}; + +const TEST_UUID = '11111111-2222-3333-4444-555555555555'; + +function makeMessage(model: string): Anthropic.Message { + return { + id: 'msg_int_test', + type: 'message', + role: 'assistant', + model, + content: [{ type: 'text', text: '', citations: null }], + stop_reason: 'end_turn', + stop_sequence: null, + stop_details: null, + container: null, + usage: { + input_tokens: 1, + output_tokens: 1, + cache_creation: null, + cache_creation_input_tokens: null, + cache_read_input_tokens: null, + inference_geo: null, + server_tool_use: null, + service_tier: null, + }, + }; +} + +/** Canned Anthropic `MessageStreamEvent` sequence for the `messages` stub. */ +function makeCannedStream(model: string): Anthropic.MessageStreamEvent[] { + const message = makeMessage(model); + const contentBlockStart: Anthropic.RawContentBlockStartEvent = { + type: 'content_block_start', + index: 0, + content_block: { type: 'text', text: '', citations: [] }, + }; + const contentBlockDelta: Anthropic.RawContentBlockDeltaEvent = { + type: 'content_block_delta', + index: 0, + delta: { type: 'text_delta', text: 'hello' }, + }; + const messageDelta: Anthropic.RawMessageDeltaEvent = { + type: 'message_delta', + delta: { stop_reason: 'end_turn', stop_sequence: null, stop_details: null, container: null }, + usage: { + input_tokens: 1, + output_tokens: 1, + cache_creation_input_tokens: null, + cache_read_input_tokens: null, + server_tool_use: null, + }, + }; + return [ + { type: 'message_start', message }, + contentBlockStart, + contentBlockDelta, + { type: 'content_block_stop', index: 0 }, + messageDelta, + { type: 'message_stop' }, + ]; +} + +function makeSystemInitMessage(sessionId: string): SDKSystemMessage { + return { + type: 'system', + subtype: 'init', + apiKeySource: 'user', + claude_code_version: '0.0.0-test', + cwd: '/workspace', + tools: [], + mcp_servers: [], + model: 'claude-test', + permissionMode: 'default', + slash_commands: [], + output_style: 'default', + skills: [], + plugins: [], + uuid: TEST_UUID, + session_id: sessionId, + }; +} + +function makeResultSuccess(sessionId: string): SDKResultSuccess { + return { + type: 'result', + subtype: 'success', + duration_ms: 0, + duration_api_ms: 0, + is_error: false, + num_turns: 1, + result: '', + stop_reason: 'end_turn', + total_cost_usd: 0, + usage: { + cache_creation: { ephemeral_1h_input_tokens: 0, ephemeral_5m_input_tokens: 0 }, + cache_creation_input_tokens: 0, + cache_read_input_tokens: 0, + inference_geo: 'unknown', + input_tokens: 0, + iterations: [], + output_tokens: 0, + server_tool_use: { web_fetch_requests: 0, web_search_requests: 0 }, + service_tier: 'standard', + speed: 'standard', + }, + modelUsage: {}, + permission_denials: [], + uuid: TEST_UUID, + session_id: sessionId, + }; +} + +// #endregion + +// #region Stubbed CAPI + +class StubCopilotApiService implements ICopilotApiService { + declare readonly _serviceBrand: undefined; + + streamEvents: Anthropic.MessageStreamEvent[] = []; + availableModels: CCAModel[] = [ANTHROPIC_MODEL]; + + readonly messagesCallCount = { count: 0 }; + + messages( + token: string, + request: Anthropic.MessageCreateParamsStreaming, + options?: ICopilotApiServiceRequestOptions, + ): AsyncGenerator; + messages( + token: string, + request: Anthropic.MessageCreateParamsNonStreaming, + options?: ICopilotApiServiceRequestOptions, + ): Promise; + messages( + token: string, + request: Anthropic.MessageCreateParams, + options?: ICopilotApiServiceRequestOptions, + ): AsyncGenerator | Promise { + this.messagesCallCount.count++; + if (request.stream) { + return this._stream(options); + } + return Promise.reject(new Error('non-streaming not used in integration test')); + } + + private async *_stream( + options: ICopilotApiServiceRequestOptions | undefined, + ): AsyncGenerator { + for (const ev of this.streamEvents) { + if (options?.signal?.aborted) { + const err = new Error('Aborted'); + (err as { name: string }).name = 'AbortError'; + throw err; + } + yield ev; + } + } + + async countTokens(): Promise { + throw new Error('countTokens not used in integration test'); + } + + async models(): Promise { + return this.availableModels; + } +} + +// #endregion + +// #region Recording SDK service that round-trips through the real proxy + +interface IProxyRoundTripResult { + readonly status: number; + readonly contentType: string | undefined; + readonly events: readonly { readonly type: string; readonly data: unknown }[]; +} + +/** + * Test double for {@link IClaudeAgentSdkService}. On `startup()`, performs + * a real HTTP `POST /v1/messages` against the proxy URL the agent passed + * via `Options.settings.env`, using the bearer the agent constructed. + * This stands in for the SDK subprocess's first model call so we can + * assert the agent → proxy → CAPI round-trip works without forking + * `@anthropic-ai/claude-agent-sdk`'s bundled CLI. + */ +class ProxyRoundTripSdkService implements IClaudeAgentSdkService { + declare readonly _serviceBrand: undefined; + + readonly capturedStartupOptions: Options[] = []; + readonly proxyRoundTrips: IProxyRoundTripResult[] = []; + + /** Messages the produced WarmQuery's Query will yield in order. */ + queryMessages: SDKMessage[] = []; + + readonly warmQueries: RoundTripWarmQuery[] = []; + + async listSessions(): Promise { + return []; + } + + async startup(params: { options: Options; initializeTimeoutMs?: number }): Promise { + this.capturedStartupOptions.push(params.options); + + const settings = params.options.settings; + const settingsEnv = (settings && typeof settings === 'object' && settings.env) ? settings.env : {}; + const baseUrl = settingsEnv['ANTHROPIC_BASE_URL']; + const bearer = settingsEnv['ANTHROPIC_AUTH_TOKEN']; + if (!baseUrl || !bearer) { + throw new Error('ANTHROPIC_BASE_URL / ANTHROPIC_AUTH_TOKEN missing from settings.env'); + } + + const result = await postSseToProxy(`${baseUrl}/v1/messages`, bearer, { + model: 'claude-opus-4-6', + messages: [{ role: 'user', content: 'hi' }], + stream: true, + max_tokens: 4096, + }); + this.proxyRoundTrips.push(result); + + const warm = new RoundTripWarmQuery(this); + this.warmQueries.push(warm); + return warm; + } +} + +class RoundTripWarmQuery implements WarmQuery { + asyncDisposeCount = 0; + closeCount = 0; + + constructor(private readonly _sdk: ProxyRoundTripSdkService) { } + + query(prompt: string | AsyncIterable): Query { + if (typeof prompt === 'string') { + throw new Error('integration test: agent host always passes an AsyncIterable'); + } + return new RoundTripQuery(prompt, this._sdk); + } + + close(): void { + this.closeCount++; + } + + async [Symbol.asyncDispose](): Promise { + this.asyncDisposeCount++; + } +} + +class RoundTripQuery implements AsyncGenerator { + private _index = 0; + private readonly _drainer: Promise; + + constructor(prompt: AsyncIterable, private readonly _sdk: ProxyRoundTripSdkService) { + // Drain the prompt iterable in the background so the agent's + // `_pendingPromptDeferred.complete()` actually pumps the queue. + const it = prompt[Symbol.asyncIterator](); + this._drainer = (async () => { + while (true) { + const r = await it.next(); + if (r.done) { + return; + } + } + })(); + } + + [Symbol.asyncIterator](): AsyncGenerator { + return this; + } + + async next(): Promise> { + if (this._index >= this._sdk.queryMessages.length) { + await this._drainer; + return { done: true, value: undefined }; + } + return { done: false, value: this._sdk.queryMessages[this._index++] }; + } + + async return(): Promise> { + return { done: true, value: undefined }; + } + + async throw(err: unknown): Promise> { + throw err; + } + + async interrupt(): Promise { /* not used */ } + + setPermissionMode(): never { throw new Error('not modeled'); } + setModel(): never { throw new Error('not modeled'); } + setMaxThinkingTokens(): never { throw new Error('not modeled'); } + applyFlagSettings(): never { throw new Error('not modeled'); } + initializationResult(): never { throw new Error('not modeled'); } + supportedCommands(): never { throw new Error('not modeled'); } + supportedModels(): never { throw new Error('not modeled'); } + supportedAgents(): never { throw new Error('not modeled'); } + mcpServerStatus(): never { throw new Error('not modeled'); } + getContextUsage(): never { throw new Error('not modeled'); } + reloadPlugins(): never { throw new Error('not modeled'); } + accountInfo(): never { throw new Error('not modeled'); } + rewindFiles(): never { throw new Error('not modeled'); } + seedReadState(): never { throw new Error('not modeled'); } + reconnectMcpServer(): never { throw new Error('not modeled'); } + toggleMcpServer(): never { throw new Error('not modeled'); } + setMcpServers(): never { throw new Error('not modeled'); } + streamInput(): never { throw new Error('not modeled'); } + stopTask(): never { throw new Error('not modeled'); } + close(): void { /* no-op */ } + [Symbol.asyncDispose](): Promise { return Promise.resolve(); } +} + +// #endregion + +// #region HTTP helpers + +let _httpModule: typeof http | undefined; +async function getHttp(): Promise { + if (!_httpModule) { + _httpModule = await import('http'); + } + return _httpModule; +} + +async function postSseToProxy( + url: string, + bearer: string, + payload: object, +): Promise { + const httpMod = await getHttp(); + return new Promise((resolve, reject) => { + const u = new URL(url); + const body = JSON.stringify(payload); + const req = httpMod.request({ + hostname: u.hostname, + port: u.port, + path: u.pathname + u.search, + method: 'POST', + headers: { + 'Authorization': `Bearer ${bearer}`, + 'Content-Type': 'application/json', + 'Content-Length': Buffer.byteLength(body).toString(), + 'Accept': 'text/event-stream', + 'anthropic-version': '2023-06-01', + }, + }, res => { + const chunks: Buffer[] = []; + res.on('data', c => chunks.push(Buffer.isBuffer(c) ? c : Buffer.from(c))); + res.on('end', () => { + const raw = Buffer.concat(chunks).toString('utf8'); + resolve({ + status: res.statusCode ?? 0, + contentType: typeof res.headers['content-type'] === 'string' ? res.headers['content-type'] : undefined, + events: parseSseFrames(raw), + }); + }); + res.on('error', reject); + }); + req.on('error', reject); + req.write(body); + req.end(); + }); +} + +function parseSseFrames(raw: string): { type: string; data: unknown }[] { + const out: { type: string; data: unknown }[] = []; + for (const block of raw.split('\n\n')) { + if (!block.trim()) { + continue; + } + let event = ''; + let data = ''; + for (const line of block.split('\n')) { + if (line.startsWith('event: ')) { + event = line.slice('event: '.length).trim(); + } else if (line.startsWith('data: ')) { + data = line.slice('data: '.length); + } + } + if (event && data) { + let parsed: unknown; + try { parsed = JSON.parse(data); } catch { parsed = data; } + out.push({ type: event, data: parsed }); + } + } + return out; +} + +// #endregion + +// #region Suite + +suite('ClaudeAgent integration (proxy-backed)', function () { + + const disposables = ensureNoDisposablesAreLeakedInTestSuite(); + + test('agent → proxy → CAPI → SSE → agent: end-to-end pipeline with real proxy and stubbed CAPI', async () => { + // This is the Phase 6 §5.2 integration test: real ClaudeProxyService + // + real ClaudeAgent + stubbed ICopilotApiService + recording SDK + // service that performs a real HTTP round-trip on the proxy from + // inside `startup()`. Catches regressions in any of: + // - Agent's `Options.settings.env` wiring (BASE_URL / AUTH_TOKEN). + // - Proxy's `Bearer .` parser. + // - Proxy's model-id rewrite (SDK ↔ endpoint format). + // - Proxy's SSE frame encoding. + // - Agent's `Options.env` strip contract. + const capi = new StubCopilotApiService(); + capi.streamEvents = makeCannedStream('claude-opus-4.6'); + + const realProxy = disposables.add(new ClaudeProxyService(new NullLogService(), capi)); + const sdk = new ProxyRoundTripSdkService(); + + const services = new ServiceCollection( + [ILogService, new NullLogService()], + [ICopilotApiService, capi], + [IClaudeProxyService, realProxy], + [ISessionDataService, createSessionDataService()], + [IClaudeAgentSdkService, sdk], + [IAgentHostGitService, createNoopGitService()], + ); + const instantiationService = disposables.add(new InstantiationService(services)); + const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); + + // Authenticate — boots the proxy and snapshots the model list. + const accepted = await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'gh-int-test-token'); + assert.strictEqual(accepted, true); + + // Create a provisional session — no SDK contact yet. + const created = await agent.createSession({ workingDirectory: URI.file('/integration-cwd') }); + assert.strictEqual(sdk.capturedStartupOptions.length, 0, 'createSession does not touch the SDK'); + + // Stage a transcript on the SDK so `sendMessage` resolves. + const sessionId = created.session.path.replace(/^\//, ''); + sdk.queryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; + + // First send materializes — drives `startup()`, which performs + // the real HTTP round-trip on the real proxy. + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + // Snapshot what flowed through the integration in a single + // assertion so the failure surface is the whole pipeline. + const startup = sdk.capturedStartupOptions[0]; + const round = sdk.proxyRoundTrips[0]; + const startupSettings = startup.settings; + const settingsEnv = (startupSettings && typeof startupSettings === 'object' && startupSettings.env) ? startupSettings.env : {}; + assert.deepStrictEqual({ + startupCallCount: sdk.capturedStartupOptions.length, + roundTripCount: sdk.proxyRoundTrips.length, + capiCallCount: capi.messagesCallCount.count, + startupCwd: startup.cwd, + startupSessionId: startup.sessionId, + startupExecutable: startup.executable, + subprocessElectronRunAsNode: startup.env?.['ELECTRON_RUN_AS_NODE'], + subprocessNodeOptions: startup.env?.['NODE_OPTIONS'], + subprocessAnthropicApiKey: startup.env?.['ANTHROPIC_API_KEY'], + settingsBaseUrlIsLoopback: typeof settingsEnv['ANTHROPIC_BASE_URL'] === 'string' + && settingsEnv['ANTHROPIC_BASE_URL'].startsWith('http://127.0.0.1:'), + settingsBearerHasNonceAndSession: typeof settingsEnv['ANTHROPIC_AUTH_TOKEN'] === 'string' + && settingsEnv['ANTHROPIC_AUTH_TOKEN'].split('.').length === 2 + && settingsEnv['ANTHROPIC_AUTH_TOKEN'].endsWith(`.${sessionId}`), + httpStatus: round.status, + httpContentType: round.contentType, + eventTypes: round.events.map(e => e.type), + }, { + startupCallCount: 1, + roundTripCount: 1, + capiCallCount: 1, + startupCwd: URI.file('/integration-cwd').fsPath, + startupSessionId: sessionId, + startupExecutable: process.execPath, + subprocessElectronRunAsNode: '1', + subprocessNodeOptions: undefined, + subprocessAnthropicApiKey: undefined, + settingsBaseUrlIsLoopback: true, + settingsBearerHasNonceAndSession: true, + httpStatus: 200, + httpContentType: 'text/event-stream', + eventTypes: [ + 'message_start', + 'content_block_start', + 'content_block_delta', + 'content_block_stop', + 'message_delta', + 'message_stop', + ], + }); + + // Cleanup: dispose the agent and assert the WarmQuery was + // closed via Symbol.asyncDispose (no orphan subprocess). + await agent.disposeSession(created.session); + assert.strictEqual(sdk.warmQueries[0].asyncDisposeCount, 1, 'WarmQuery is asyncDisposed on session dispose'); + }); + + test('proxy rejects a request whose bearer carries a wrong nonce (auth contract)', async () => { + // Companion test that locks the proxy's auth contract from + // outside the agent. If the agent ever drifts away from + // `Bearer .`, the round-trip in the test + // above fails — but this test guarantees the proxy itself + // rejects forged bearers regardless of the agent. + const capi = new StubCopilotApiService(); + const realProxy = disposables.add(new ClaudeProxyService(new NullLogService(), capi)); + const handle = await realProxy.start('gh-int-test-token'); + try { + const result = await postSseToProxy( + `${handle.baseUrl}/v1/messages`, + 'wrong-nonce.session-x', + { model: 'claude-opus-4-6', messages: [], stream: true }, + ); + assert.strictEqual(result.status, 401); + assert.strictEqual(capi.messagesCallCount.count, 0, 'auth check fires before any upstream call'); + } finally { + handle.dispose(); + } + }); +}); + +// #endregion diff --git a/src/vs/platform/agentHost/test/node/claudeAgent.test.ts b/src/vs/platform/agentHost/test/node/claudeAgent.test.ts index 18d184fd4228b3..2aebf215b3e421 100644 --- a/src/vs/platform/agentHost/test/node/claudeAgent.test.ts +++ b/src/vs/platform/agentHost/test/node/claudeAgent.test.ts @@ -4,11 +4,27 @@ *--------------------------------------------------------------------------------------------*/ import type Anthropic from '@anthropic-ai/sdk'; +import type { Options, Query, SDKMessage, SDKPartialAssistantMessage, SDKResultSuccess, SDKSessionInfo, SDKSystemMessage, SDKUserMessage, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; import type { CCAModel } from '@vscode/copilot-api'; + +// Beta event-stream type aliases. The Anthropic namespace re-exports these +// from `@anthropic-ai/sdk/resources/beta/messages.js`, but importing that +// subpath directly trips the `local/code-import-patterns` allowlist +// (the agentHost rule only permits the bare `@anthropic-ai/sdk` specifier). +// Local aliases via the existing `Anthropic` import keep the body of this +// file readable without extending the allowlist. +type BetaRawContentBlockDeltaEvent = Anthropic.Beta.BetaRawContentBlockDeltaEvent; +type BetaRawContentBlockStartEvent = Anthropic.Beta.BetaRawContentBlockStartEvent; +type BetaRawContentBlockStopEvent = Anthropic.Beta.BetaRawContentBlockStopEvent; +type BetaRawMessageStartEvent = Anthropic.Beta.BetaRawMessageStartEvent; +type BetaRawMessageStopEvent = Anthropic.Beta.BetaRawMessageStopEvent; import assert from 'assert'; import { DeferredPromise } from '../../../../base/common/async.js'; +import { Event } from '../../../../base/common/event.js'; import type { DisposableStore } from '../../../../base/common/lifecycle.js'; import { URI } from '../../../../base/common/uri.js'; +import { isUUID } from '../../../../base/common/uuid.js'; +import { isCancellationError } from '../../../../base/common/errors.js'; import { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../base/test/common/utils.js'; import { ServiceCollection } from '../../../instantiation/common/serviceCollection.js'; import { InstantiationService } from '../../../instantiation/common/instantiationService.js'; @@ -16,12 +32,17 @@ import { IInstantiationService } from '../../../instantiation/common/instantiati import { ILogService, NullLogService } from '../../../log/common/log.js'; import { IProductService } from '../../../product/common/productService.js'; import { FileService } from '../../../files/common/fileService.js'; -import { AgentSession } from '../../common/agentService.js'; +import { IAgentMaterializeSessionEvent, AgentSession, AgentSignal, GITHUB_COPILOT_PROTECTED_RESOURCE } from '../../common/agentService.js'; +import { ActionType } from '../../common/state/sessionActions.js'; +import { ResponsePartKind, AttachmentType } from '../../common/state/sessionState.js'; +import { ISessionDataService } from '../../common/sessionDataService.js'; +import { IAgentHostGitService } from '../../node/agentHostGitService.js'; import { ClaudeAgent } from '../../node/claude/claudeAgent.js'; +import { ClaudeAgentSdkService, IClaudeAgentSdkService, IClaudeSdkBindings } from '../../node/claude/claudeAgentSdkService.js'; import { IClaudeProxyHandle, IClaudeProxyService } from '../../node/claude/claudeProxyService.js'; import { ICopilotApiService, type ICopilotApiServiceRequestOptions } from '../../node/shared/copilotApiService.js'; import { AgentService } from '../../node/agentService.js'; -import { createNoopGitService, createNullSessionDataService } from '../common/sessionTestHelpers.js'; +import { createNoopGitService, createNullSessionDataService, createSessionDataService, TestSessionDatabase } from '../common/sessionTestHelpers.js'; // #region Test fakes @@ -57,6 +78,403 @@ class FakeCopilotApiService implements ICopilotApiService { countTokens(): Promise { throw new Error('not used in ClaudeAgent tests'); } } +class FakeClaudeAgentSdkService implements IClaudeAgentSdkService { + declare readonly _serviceBrand: undefined; + + /** + * Mutable list returned by {@link listSessions}. Tests assign it + * before invoking the agent under test. Defaults to empty so suites + * that don't care about session enumeration aren't forced to set it. + */ + sessionList: readonly SDKSessionInfo[] = []; + listSessionsCallCount = 0; + + /** + * Phase 6: counts {@link startup} invocations. The Phase-6 contract + * is that materialization is the FIRST `startup()` call, so this + * field anchors invariants like "non-fork createSession does not + * touch the SDK" and "materialize fires exactly once". + */ + startupCallCount = 0; + + /** + * Captures every {@link Options} argument forwarded to {@link startup}. + * Tests assert env strip, abortController identity, sessionId / resume + * routing, and the canUseTool stub via this list. + */ + readonly capturedStartupOptions: Options[] = []; + + /** + * Programmable rejection for {@link startup}. Set per test to simulate + * SDK init failure (corrupt postinstall, network error, abort during + * init handshake). Cleared automatically after the first throw — set + * to a fresh value if a test wants repeated failures. + */ + startupRejection: Error | undefined; + + /** + * Messages the {@link FakeQuery} produced by `warm.query(...)` will + * yield. Tests stage the SDK transcript here before invoking + * `sendMessage`. The default empty array means the prompt iterable + * is consumed but no messages stream back — useful for tests that + * never expect a `result` (e.g. cancellation paths). + */ + nextQueryMessages: SDKMessage[] = []; + + /** + * Optional async hook invoked between yielded messages. Tests use it + * to block the iterator at a specific index so concurrent + * `sendMessage` / `disposeSession` / `shutdown` races can be staged + * deterministically. Resolves immediately when undefined. + */ + queryAdvance: ((index: number) => Promise) | undefined; + + /** All warm queries produced by {@link startup}. Last entry is the most recent. */ + readonly warmQueries: FakeWarmQuery[] = []; + + /** + * Programmable rejection for {@link listSessions}. Set per test to + * simulate the SDK dynamic import failing (corrupt postinstall, + * missing optional dep). Mirror of {@link startupRejection}. + */ + listSessionsRejection: Error | undefined; + + async listSessions(): Promise { + this.listSessionsCallCount++; + if (this.listSessionsRejection) { + const err = this.listSessionsRejection; + throw err; + } + return this.sessionList; + } + + async startup(params: { options: Options; initializeTimeoutMs?: number }): Promise { + this.startupCallCount++; + this.capturedStartupOptions.push(params.options); + if (this.startupRejection) { + const err = this.startupRejection; + this.startupRejection = undefined; + throw err; + } + const warm = new FakeWarmQuery(this); + this.warmQueries.push(warm); + return warm; + } +} + +/** + * Test double for `WarmQuery`. Each instance is bound to a single + * `FakeClaudeAgentSdkService` so mutations to `nextQueryMessages` after + * `startup()` resolves but before `warm.query(...)` runs still propagate. + */ +class FakeWarmQuery implements WarmQuery { + queryCallCount = 0; + asyncDisposeCount = 0; + closeCount = 0; + /** The {@link FakeQuery} returned from `query()`. Undefined before. */ + produced: FakeQuery | undefined; + + constructor(private readonly _sdk: FakeClaudeAgentSdkService) { } + + query(prompt: string | AsyncIterable): Query { + this.queryCallCount++; + if (typeof prompt === 'string') { + throw new Error('FakeWarmQuery: agent host always passes an AsyncIterable, never a string prompt'); + } + const q = new FakeQuery(prompt, this._sdk); + this.produced = q; + return q; + } + + close(): void { + this.closeCount++; + } + + async [Symbol.asyncDispose](): Promise { + this.asyncDisposeCount++; + } +} + +/** + * Test double for the SDK's `Query` AsyncGenerator. Snapshots the bound + * prompt iterable on construction so tests can assert on what the agent + * actually pushed to the SDK, then yields messages from + * {@link FakeClaudeAgentSdkService.nextQueryMessages} in order. + */ +class FakeQuery implements AsyncGenerator { + /** The iterable passed to `warm.query(...)`. */ + readonly capturedPrompt: AsyncIterable; + + /** Prompts the agent has actually pushed (drained from `capturedPrompt` by `_collectPrompts`). */ + readonly drainedPrompts: SDKUserMessage[] = []; + + interruptCount = 0; + returnCount = 0; + throwCount = 0; + + private _yieldIndex = 0; + + constructor(prompt: AsyncIterable, private readonly _sdk: FakeClaudeAgentSdkService) { + this.capturedPrompt = prompt; + const iterator = prompt[Symbol.asyncIterator](); + // Drain the prompt iterable in the background so the agent's + // `_pendingPromptDeferred.complete()` actually pumps the queue. + // The real SDK consumes prompts as they arrive; this fake mirrors + // that pull behavior without waiting for the full transcript first. + void (async () => { + while (true) { + const r = await iterator.next(); + if (r.done) { + return; + } + this.drainedPrompts.push(r.value); + } + })(); + } + + [Symbol.asyncIterator](): AsyncGenerator { + return this; + } + + async next(): Promise> { + if (this._sdk.queryAdvance) { + await this._sdk.queryAdvance(this._yieldIndex); + } + if (this._yieldIndex >= this._sdk.nextQueryMessages.length) { + return { done: true, value: undefined }; + } + const value = this._sdk.nextQueryMessages[this._yieldIndex++]; + return { done: false, value }; + } + + async return(_value: void): Promise> { + this.returnCount++; + return { done: true, value: undefined }; + } + + async throw(err: unknown): Promise> { + this.throwCount++; + throw err; + } + + async interrupt(): Promise { + this.interruptCount++; + } + + // Phase 6 doesn't exercise the rest of the Query control surface; if a + // test trips one of these, surface it loudly so we know to model it. + setPermissionMode(): never { throw new Error('FakeQuery: setPermissionMode not modeled'); } + setModel(): never { throw new Error('FakeQuery: setModel not modeled'); } + setMaxThinkingTokens(): never { throw new Error('FakeQuery: setMaxThinkingTokens not modeled'); } + applyFlagSettings(): never { throw new Error('FakeQuery: applyFlagSettings not modeled'); } + initializationResult(): never { throw new Error('FakeQuery: initializationResult not modeled'); } + supportedCommands(): never { throw new Error('FakeQuery: supportedCommands not modeled'); } + supportedModels(): never { throw new Error('FakeQuery: supportedModels not modeled'); } + supportedAgents(): never { throw new Error('FakeQuery: supportedAgents not modeled'); } + mcpServerStatus(): never { throw new Error('FakeQuery: mcpServerStatus not modeled'); } + getContextUsage(): never { throw new Error('FakeQuery: getContextUsage not modeled'); } + reloadPlugins(): never { throw new Error('FakeQuery: reloadPlugins not modeled'); } + accountInfo(): never { throw new Error('FakeQuery: accountInfo not modeled'); } + rewindFiles(): never { throw new Error('FakeQuery: rewindFiles not modeled'); } + seedReadState(): never { throw new Error('FakeQuery: seedReadState not modeled'); } + reconnectMcpServer(): never { throw new Error('FakeQuery: reconnectMcpServer not modeled'); } + toggleMcpServer(): never { throw new Error('FakeQuery: toggleMcpServer not modeled'); } + setMcpServers(): never { throw new Error('FakeQuery: setMcpServers not modeled'); } + streamInput(): never { throw new Error('FakeQuery: streamInput not modeled'); } + stopTask(): never { throw new Error('FakeQuery: stopTask not modeled'); } + close(): void { /* no-op */ } + [Symbol.asyncDispose](): Promise { return Promise.resolve(); } +} + +// #region SDK message builders +// +// The SDK's `SDKMessage` union has many required fields that aren't +// relevant to most agent-host tests (deep `NonNullableUsage` shape, +// `SDKSystemMessage`'s `tools`/`mcp_servers`/etc.). These builders +// produce fully-typed values without `as unknown` casts so tests can +// stage transcripts ergonomically. + +/** Stable test UUID — reused so assertions can pin against a known value. */ +const TEST_UUID = '11111111-2222-3333-4444-555555555555'; + +function makeNonNullableUsage(): SDKResultSuccess['usage'] { + return { + cache_creation: { ephemeral_1h_input_tokens: 0, ephemeral_5m_input_tokens: 0 }, + cache_creation_input_tokens: 0, + cache_read_input_tokens: 0, + inference_geo: 'unknown', + input_tokens: 0, + iterations: [], + output_tokens: 0, + server_tool_use: { web_fetch_requests: 0, web_search_requests: 0 }, + service_tier: 'standard', + speed: 'standard', + }; +} + +function makeSystemInitMessage(sessionId: string): SDKSystemMessage { + return { + type: 'system', + subtype: 'init', + apiKeySource: 'user', + claude_code_version: '0.0.0-test', + cwd: '/workspace', + tools: [], + mcp_servers: [], + model: 'claude-test', + permissionMode: 'default', + slash_commands: [], + output_style: 'default', + skills: [], + plugins: [], + uuid: TEST_UUID, + session_id: sessionId, + }; +} + +function makeResultSuccess(sessionId: string): SDKResultSuccess { + return { + type: 'result', + subtype: 'success', + duration_ms: 0, + duration_api_ms: 0, + is_error: false, + num_turns: 1, + result: '', + stop_reason: 'end_turn', + total_cost_usd: 0, + usage: makeNonNullableUsage(), + modelUsage: {}, + permission_denials: [], + uuid: TEST_UUID, + session_id: sessionId, + }; +} + +// `stream_event` (SDKPartialAssistantMessage) builders. The SDK's +// `Options.includePartialMessages: true` setting (Phase 6 §3.4) routes +// raw `BetaRawMessageStreamEvent`s through to the agent so we can map +// per-token. The deep `BetaMessage` shape on `message_start` carries +// many required fields irrelevant to mapping; these helpers populate +// only what the mapper reads, with everything else set to safe zero +// values so the SDK type-checks pass without `as unknown` casts. + +function makeStreamEvent( + sessionId: string, + event: SDKPartialAssistantMessage['event'], +): SDKPartialAssistantMessage { + return { + type: 'stream_event', + event, + parent_tool_use_id: null, + uuid: TEST_UUID, + session_id: sessionId, + }; +} + +function makeMessageStart(): BetaRawMessageStartEvent { + return { + type: 'message_start', + message: { + id: 'msg_test', + type: 'message', + role: 'assistant', + model: 'claude-test', + content: [], + stop_reason: null, + stop_sequence: null, + stop_details: null, + container: null, + context_management: null, + usage: { + cache_creation: { ephemeral_1h_input_tokens: 0, ephemeral_5m_input_tokens: 0 }, + cache_creation_input_tokens: 0, + cache_read_input_tokens: 0, + inference_geo: 'unknown', + input_tokens: 0, + iterations: [], + output_tokens: 0, + server_tool_use: { web_fetch_requests: 0, web_search_requests: 0 }, + service_tier: 'standard', + speed: 'standard', + }, + }, + }; +} + +function makeContentBlockStartText(index: number): BetaRawContentBlockStartEvent { + return { + type: 'content_block_start', + index, + content_block: { type: 'text', text: '', citations: null }, + }; +} + +function makeContentBlockStartThinking(index: number): BetaRawContentBlockStartEvent { + return { + type: 'content_block_start', + index, + content_block: { type: 'thinking', thinking: '', signature: '' }, + }; +} + +function makeTextDelta(index: number, text: string): BetaRawContentBlockDeltaEvent { + return { + type: 'content_block_delta', + index, + delta: { type: 'text_delta', text }, + }; +} + +function makeThinkingDelta(index: number, thinking: string): BetaRawContentBlockDeltaEvent { + return { + type: 'content_block_delta', + index, + delta: { type: 'thinking_delta', thinking }, + }; +} + +function makeContentBlockStop(index: number): BetaRawContentBlockStopEvent { + return { + type: 'content_block_stop', + index, + }; +} + +function makeMessageStop(): BetaRawMessageStopEvent { + return { type: 'message_stop' }; +} + +// #endregion + +/** + * Wraps a delegate {@link ISessionDataService} and records call counts so + * tests can assert that lifecycle methods (e.g. non-fork `createSession`) + * don't touch the database. The delegate's behavior is preserved verbatim. + */ +class RecordingSessionDataService implements ISessionDataService { + declare readonly _serviceBrand: undefined; + + openDatabaseCallCount = 0; + tryOpenDatabaseCallCount = 0; + + constructor(private readonly _delegate: ISessionDataService) { } + + getSessionDataDir(session: URI) { return this._delegate.getSessionDataDir(session); } + getSessionDataDirById(sessionId: string) { return this._delegate.getSessionDataDirById(sessionId); } + openDatabase(session: URI) { + this.openDatabaseCallCount++; + return this._delegate.openDatabase(session); + } + tryOpenDatabase(session: URI) { + this.tryOpenDatabaseCallCount++; + return this._delegate.tryOpenDatabase(session); + } + deleteSessionData(session: URI) { return this._delegate.deleteSessionData(session); } + cleanupOrphanedData(knownSessionIds: Set) { return this._delegate.cleanupOrphanedData(knownSessionIds); } + whenIdle() { return this._delegate.whenIdle(); } +} + // #endregion // #region Fixture models @@ -64,7 +482,7 @@ class FakeCopilotApiService implements ICopilotApiService { /** Build a {@link CCAModel} with sensible defaults; override per test. */ function makeModel(overrides: Partial & { readonly id: string; readonly name: string; readonly vendor: string }): CCAModel { return { - billing: { is_premium: false, multiplier: 1, restricted_to: [] } as unknown as CCAModel['billing'], + billing: { is_premium: false, multiplier: 1, restricted_to: [] }, capabilities: { family: 'test', limits: { max_context_window_tokens: 200_000, max_output_tokens: 8192, max_prompt_tokens: 200_000 }, @@ -118,21 +536,28 @@ interface ITestContext { readonly agent: ClaudeAgent; readonly proxy: FakeClaudeProxyService; readonly api: FakeCopilotApiService; + readonly sdk: FakeClaudeAgentSdkService; + readonly sessionData: RecordingSessionDataService; } function createTestContext(disposables: Pick): ITestContext { const proxy = new FakeClaudeProxyService(); const api = new FakeCopilotApiService(); api.models = async () => [...ALL_MODELS]; + const sdk = new FakeClaudeAgentSdkService(); + const sessionData = new RecordingSessionDataService(createSessionDataService()); const services = new ServiceCollection( [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], + [ISessionDataService, sessionData], + [IClaudeAgentSdkService, sdk], + [IAgentHostGitService, createNoopGitService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); - return { agent, proxy, api }; + return { agent, proxy, api, sdk, sessionData }; } /** Drains the microtask queue so awaited refresh writes settle. */ @@ -271,6 +696,9 @@ suite('ClaudeAgent', () => { [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], + [ISessionDataService, createNullSessionDataService()], + [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], + [IAgentHostGitService, createNoopGitService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); @@ -329,6 +757,8 @@ suite('ClaudeAgent', () => { [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], + [ISessionDataService, createNullSessionDataService()], + [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = instantiationService.createInstance(ClaudeAgent); @@ -342,35 +772,64 @@ suite('ClaudeAgent', () => { assert.strictEqual(proxy.disposeCount, 1); }); - test('stubbed methods throw with the right phase number', () => { + test('stubbed methods throw with the right phase number', async () => { + // `abortSession` and `changeModel` MUST return a rejected promise + // (not throw synchronously). AgentSideEffects.handleAction chains + // `.catch()` on the result to surface the error as a SessionError + // action; a synchronous throw escapes that chain and the workbench + // hangs forever on a turn that never finishes (the live smoke + // caught this in the Phase 5 walk). + // `respondToPermissionRequest`/`respondToUserInputRequest` are + // `void`-returning by interface, so they throw synchronously and we + // capture that via try/catch. + // + // Phase 6 update: `sendMessage` graduated from the stubbed list — + // it now materializes the provisional session and forwards to + // `ClaudeAgentSession.send`. Its negative path (unknown session + // id) is covered by Cycle 12; keep this test focused on stubs. const { agent } = createTestContext(disposables); - const cases: Array<{ name: string; phase: number; thunk: () => unknown }> = [ - { name: 'createSession', phase: 5, thunk: () => agent.createSession() }, - { name: 'sendMessage', phase: 6, thunk: () => agent.sendMessage(URI.parse('claude:/x'), 'hi') }, - { name: 'respondToPermissionRequest', phase: 7, thunk: () => agent.respondToPermissionRequest('id', true) }, + const promiseCases: Array<{ name: string; phase: number; thunk: () => Promise }> = [ { name: 'abortSession', phase: 9, thunk: () => agent.abortSession(URI.parse('claude:/x')) }, + { name: 'changeModel', phase: 9, thunk: () => agent.changeModel(URI.parse('claude:/x'), { id: 'claude-opus-4.5' }) }, ]; - const observed = cases.map(c => { + const voidCases: Array<{ name: string; phase: number; thunk: () => void }> = [ + { name: 'respondToPermissionRequest', phase: 7, thunk: () => agent.respondToPermissionRequest('id', true) }, + ]; + + const observed: Array<{ name: string; message: string; sync: boolean }> = []; + for (const c of promiseCases) { + let p: Promise; try { - const result = c.thunk(); - if (result instanceof Promise) { - // Surface the rejection synchronously for snapshotting. - let err: Error | undefined; - result.catch(e => { err = e instanceof Error ? e : new Error(String(e)); }); - // Async stubs throw synchronously in this implementation, - // but if a future stub uses `async` the thunk will return - // a rejected promise — fall through and miss the assertion. - return { name: c.name, message: err?.message ?? 'no-throw' }; - } - return { name: c.name, message: 'no-throw' }; + p = c.thunk(); } catch (e) { - return { name: c.name, message: e instanceof Error ? e.message : String(e) }; + // Synchronous throw — the bug we're guarding against. + observed.push({ name: c.name, message: e instanceof Error ? e.message : String(e), sync: true }); + continue; } - }); + let message = 'no-throw'; + try { + await p; + } catch (e) { + message = e instanceof Error ? e.message : String(e); + } + observed.push({ name: c.name, message, sync: false }); + } + for (const c of voidCases) { + try { + c.thunk(); + observed.push({ name: c.name, message: 'no-throw', sync: false }); + } catch (e) { + observed.push({ name: c.name, message: e instanceof Error ? e.message : String(e), sync: true }); + } + } assert.deepStrictEqual( observed, - cases.map(c => ({ name: c.name, message: `TODO: Phase ${c.phase}` })), + [ + { name: 'abortSession', message: 'TODO: Phase 9', sync: false }, + { name: 'changeModel', message: 'TODO: Phase 9', sync: false }, + { name: 'respondToPermissionRequest', message: 'TODO: Phase 7', sync: true }, + ], ); }); @@ -412,6 +871,8 @@ suite('ClaudeAgent', () => { [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], + [ISessionDataService, createNullSessionDataService()], + [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); @@ -429,4 +890,1430 @@ suite('ClaudeAgent', () => { await tick(); assert.deepStrictEqual(agent.models.get().map(m => m.id), [CLAUDE_SONNET.id]); }); + + // #region Phase 5 — session lifecycle + + test('createSession (non-fork) returns a claude:/ URI with provisional: true; no DB or SDK contact', async () => { + // Phase 6 §5.1 Test 1. Per-session DB is overlay/cache only and + // the SDK subprocess fork is deferred until first sendMessage. + // `provisional: true` opts the session into the AgentService's + // deferred-`sessionAdded` protocol. Workbench eagerly creates + // sessions on folder-pick + arms a 30s GC; for an empty Claude + // session that's a cheap in-memory drop because nothing has + // been persisted yet. + const { agent, sdk, sessionData } = createTestContext(disposables); + + const result = await agent.createSession({ workingDirectory: URI.parse('file:///workspace') }); + + assert.deepStrictEqual({ + scheme: result.session.scheme, + provider: AgentSession.provider(result.session), + isUuid: isUUID(AgentSession.id(result.session)), + workingDirectory: result.workingDirectory?.toString(), + provisional: result.provisional, + openDatabaseCalls: sessionData.openDatabaseCallCount, + tryOpenDatabaseCalls: sessionData.tryOpenDatabaseCallCount, + startupCallCount: sdk.startupCallCount, + listSessionsCallCount: sdk.listSessionsCallCount, + }, { + scheme: 'claude', + provider: 'claude', + isUuid: true, + workingDirectory: 'file:///workspace', + provisional: true, + openDatabaseCalls: 0, + tryOpenDatabaseCalls: 0, + startupCallCount: 0, + listSessionsCallCount: 0, + }); + }); + + test('createSession honors config.session when the workbench pre-mints the URI', async () => { + // Workbench eagerly mints the session URI client-side (PR #313841 + // folder-pick path) and round-trips it through createSession so + // the chat editor can render immediately. AgentService then + // double-checks the returned URI matches and surfaces "Agent + // host returned unexpected session URI" if the agent ignored + // the hint. Mirrors CopilotAgent's `config.session ? + // AgentSession.id(config.session) : generateUuid()` contract. + const { agent } = createTestContext(disposables); + const expected = AgentSession.uri('claude', 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'); + + const result = await agent.createSession({ session: expected }); + + assert.deepStrictEqual({ + session: result.session.toString(), + provisional: result.provisional, + }, { + session: expected.toString(), + provisional: true, + }); + }); + + test('createSession({ fork }) throws TODO: Phase 6.5 with no side effects', async () => { + // Phase-6 update: fork is deferred to Phase 6.5 because Claude's + // `forkSession(sessionId, { upToMessageId })` takes a message UUID, + // not an event id, and the protocol-turn-ID → message-UUID + // translation needs `sdk.getSessionMessages` (also Phase 6.5). + // Locking the throw message here so a half-implementation can't + // land in Phase 6 without re-greening this case. + const { agent, sessionData, sdk } = createTestContext(disposables); + + await assert.rejects( + agent.createSession({ + fork: { + session: AgentSession.uri('claude', 'src-uuid'), + turnIndex: 0, + turnId: 'turn-1', + }, + }), + /Phase 6\.5/, + ); + + assert.deepStrictEqual({ + openDatabaseCalls: sessionData.openDatabaseCallCount, + tryOpenDatabaseCalls: sessionData.tryOpenDatabaseCallCount, + startupCallCount: sdk.startupCallCount, + listSessionsCallCount: sdk.listSessionsCallCount, + }, { + openDatabaseCalls: 0, + tryOpenDatabaseCalls: 0, + startupCallCount: 0, + listSessionsCallCount: 0, + }); + }); + + test('first sendMessage on a provisional session materializes it (single startup, single materialize event)', async () => { + // Phase 6 §5.1 Test 3 (tracer). Forces the materialize spine into + // existence: `_provisionalSessions` map, `_materializeProvisional`, + // `IClaudeAgentSdkService.startup()`, `_onDidMaterializeSession` + // event, and `entry.send` plumbing in `ClaudeAgentSession`. + // + // Public-interface assertions only: we never read `_sessions` + // or `_provisionalSessions` directly. The behavioral signature + // of "first send materializes" is: + // - SDK `startup()` is called exactly once (was 0 after + // createSession; is 1 after sendMessage). + // - The materialize event fires exactly once with the right URI. + // - The startup options carry the working directory the user + // picked at createSession time. + const { agent, sdk, proxy } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + assert.strictEqual(proxy.startCalls.length, 1, 'proxy started by authenticate'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + assert.strictEqual(sdk.startupCallCount, 0, 'createSession does not touch the SDK'); + + const events: IAgentMaterializeSessionEvent[] = []; + assert.ok(agent.onDidMaterializeSession, 'agent must expose onDidMaterializeSession'); + disposables.add(agent.onDidMaterializeSession(e => events.push(e))); + + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeResultSuccess(sessionId), + ]; + + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + assert.deepStrictEqual({ + startupCallCount: sdk.startupCallCount, + materializeEventCount: events.length, + eventSession: events[0]?.session.toString(), + eventCwd: events[0]?.workingDirectory?.fsPath, + startupOptionsCwd: sdk.capturedStartupOptions[0]?.cwd, + startupOptionsSessionId: sdk.capturedStartupOptions[0]?.sessionId, + }, { + startupCallCount: 1, + materializeEventCount: 1, + eventSession: created.session.toString(), + eventCwd: URI.file('/work').fsPath, + startupOptionsCwd: URI.file('/work').fsPath, + startupOptionsSessionId: sessionId, + }); + }); + + test('materialize event payload shape — { session, workingDirectory, project: undefined }', async () => { + // Phase 6 §5.1 Test 4. Pins the {@link IAgentMaterializeSessionEvent} + // payload independently of the tracer in Test 3. The default + // {@link createNoopGitService} produces no project metadata, so + // `project` is `undefined`. AgentService relies on this exact + // shape to forward to its `sessionAdded` notification (it spreads + // the event into `IAgentSessionMetadata`-shaped fields), so a + // snapshot here is the load-bearing contract. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const cwd = URI.file('/payload-shape'); + const created = await agent.createSession({ workingDirectory: cwd }); + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; + + const events: IAgentMaterializeSessionEvent[] = []; + assert.ok(agent.onDidMaterializeSession); + disposables.add(agent.onDidMaterializeSession(e => events.push(e))); + + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + assert.strictEqual(events.length, 1, 'event fires exactly once'); + const ev = events[0]; + assert.deepStrictEqual({ + session: ev.session.toString(), + workingDirectory: ev.workingDirectory?.toString(), + project: ev.project, + keys: Object.keys(ev).sort(), + }, { + session: created.session.toString(), + workingDirectory: cwd.toString(), + project: undefined, + keys: ['project', 'session', 'workingDirectory'], + }); + }); + + test('two sendMessage calls reuse the materialized Query', async () => { + // Phase 6 §5.1 Test 5. After the first send materializes the + // session, subsequent sends MUST push onto the same prompt + // iterable / SDK Query — they MUST NOT re-fork the subprocess + // (`startup()` is expensive and would lose conversational state + // since the SDK's resume-from-session-id only kicks in on init). + // The invariants here are: (a) `startup()` is called exactly once + // across both turns, (b) `warm.query()` is bound exactly once, + // (c) both deferreds resolve on their respective `result` SDK + // messages, (d) both prompts traverse the prompt iterable. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + + // Stage two turns. Park the iterator at index 2 (right after the + // first `result`) until the test releases it; this proves the + // second send reuses the same Query rather than spawning a new + // one (the gate would otherwise be irrelevant). Index choice + // mirrors plan §5.1 test 5. + const advance = new DeferredPromise(); + sdk.queryAdvance = async (idx: number) => { + if (idx === 2) { + await advance.p; + } + }; + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeResultSuccess(sessionId), + makeResultSuccess(sessionId), + ]; + + // First turn — materializes; resolves on result(idx=1). + await agent.sendMessage(created.session, 'turn-1', undefined, 'turn-id-1'); + + // Snapshot before the second send so we can assert the second send + // did NOT call startup() again. + const startupCallsAfterTurn1 = sdk.startupCallCount; + const queryCallsAfterTurn1 = sdk.warmQueries[0]?.queryCallCount ?? -1; + + // Second turn — pushes onto the existing Query. + const p2 = agent.sendMessage(created.session, 'turn-2', undefined, 'turn-id-2'); + // Release the parked iterator so result(idx=2) flows through. + advance.complete(); + await p2; + + assert.deepStrictEqual({ + startupCallsAfterTurn1, + startupCallsAfterTurn2: sdk.startupCallCount, + queryCallsAfterTurn1, + queryCallsAfterTurn2: sdk.warmQueries[0]?.queryCallCount, + warmQueryCount: sdk.warmQueries.length, + drainedPromptCount: sdk.warmQueries[0]?.produced?.drainedPrompts.length, + }, { + startupCallsAfterTurn1: 1, + startupCallsAfterTurn2: 1, + queryCallsAfterTurn1: 1, + queryCallsAfterTurn2: 1, + warmQueryCount: 1, + drainedPromptCount: 2, + }); + }); + + test('text content_block emits SessionResponsePart(Markdown) before SessionDelta', async () => { + // Phase 6 §5.1 Test 6 + §3.6. The protocol reducer at + // `actions.ts:233 (SessionDelta)` requires the targeted + // `SessionResponsePart` to have already been emitted, otherwise + // the delta has nowhere to land. This test pins that ordering by + // staging a single text turn and asserting the first emitted + // `SessionResponsePart(Markdown, partId=X)` precedes every + // `SessionDelta(partId=X)` for the same X. The mapper allocates + // the partId on `content_block_start`, BEFORE any delta can + // arrive (deltas are SDK-ordered after the start), so the + // invariant holds by construction. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeStreamEvent(sessionId, makeMessageStart()), + makeStreamEvent(sessionId, makeContentBlockStartText(0)), + makeStreamEvent(sessionId, makeTextDelta(0, 'hello ')), + makeStreamEvent(sessionId, makeTextDelta(0, 'world')), + makeStreamEvent(sessionId, makeContentBlockStop(0)), + makeStreamEvent(sessionId, makeMessageStop()), + makeResultSuccess(sessionId), + ]; + + const signals: AgentSignal[] = []; + disposables.add(agent.onDidSessionProgress(s => signals.push(s))); + + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + const actionSignals = signals.filter(s => s.kind === 'action'); + const partActions = actionSignals + .map((s, i) => ({ s, i })) + .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionResponsePart); + const deltaActions = actionSignals + .map((s, i) => ({ s, i })) + .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionDelta); + + assert.strictEqual(partActions.length, 1, 'exactly one Markdown response part'); + assert.strictEqual(deltaActions.length, 2, 'two text deltas'); + + const part = partActions[0].s.kind === 'action' && partActions[0].s.action.type === ActionType.SessionResponsePart + ? partActions[0].s.action + : undefined; + const firstDelta = deltaActions[0].s.kind === 'action' && deltaActions[0].s.action.type === ActionType.SessionDelta + ? deltaActions[0].s.action + : undefined; + const secondDelta = deltaActions[1].s.kind === 'action' && deltaActions[1].s.action.type === ActionType.SessionDelta + ? deltaActions[1].s.action + : undefined; + + assert.ok(part, 'SessionResponsePart action present'); + assert.ok(firstDelta, 'first SessionDelta action present'); + assert.ok(secondDelta, 'second SessionDelta action present'); + assert.strictEqual(part.part.kind, ResponsePartKind.Markdown, 'part kind is Markdown'); + + assert.deepStrictEqual({ + partKindIsMarkdown: part.part.kind === ResponsePartKind.Markdown, + partPrecedesDelta: partActions[0].i < deltaActions[0].i, + partIdsMatch: part.part.id === firstDelta.partId && part.part.id === secondDelta.partId, + turnId: part.turnId, + deltaTexts: [firstDelta.content, secondDelta.content], + session: part.session.toString(), + }, { + partKindIsMarkdown: true, + partPrecedesDelta: true, + partIdsMatch: true, + turnId: 'turn-1', + deltaTexts: ['hello ', 'world'], + session: created.session.toString(), + }); + }); + + test('thinking content_block emits SessionResponsePart(Reasoning) before SessionReasoning', async () => { + // Phase 6 §5.1 Test 7. Same ordering invariant as Test 6 but for + // extended-thinking blocks: `SessionResponsePart(Reasoning)` MUST + // precede every `SessionReasoning(partId)` for the same partId + // (`actions.ts:540` reducer requires the part to exist). + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeStreamEvent(sessionId, makeMessageStart()), + makeStreamEvent(sessionId, makeContentBlockStartThinking(0)), + makeStreamEvent(sessionId, makeThinkingDelta(0, 'let me think')), + makeStreamEvent(sessionId, makeThinkingDelta(0, ' more')), + makeStreamEvent(sessionId, makeContentBlockStop(0)), + makeStreamEvent(sessionId, makeMessageStop()), + makeResultSuccess(sessionId), + ]; + + const signals: AgentSignal[] = []; + disposables.add(agent.onDidSessionProgress(s => signals.push(s))); + + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + const actionSignals = signals.filter(s => s.kind === 'action'); + const partActions = actionSignals + .map((s, i) => ({ s, i })) + .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionResponsePart); + const reasoningActions = actionSignals + .map((s, i) => ({ s, i })) + .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionReasoning); + + const part = partActions[0]?.s.kind === 'action' && partActions[0].s.action.type === ActionType.SessionResponsePart + ? partActions[0].s.action + : undefined; + const firstReasoning = reasoningActions[0]?.s.kind === 'action' && reasoningActions[0].s.action.type === ActionType.SessionReasoning + ? reasoningActions[0].s.action + : undefined; + const secondReasoning = reasoningActions[1]?.s.kind === 'action' && reasoningActions[1].s.action.type === ActionType.SessionReasoning + ? reasoningActions[1].s.action + : undefined; + + assert.ok(part, 'SessionResponsePart action present'); + assert.ok(firstReasoning, 'first SessionReasoning action present'); + assert.ok(secondReasoning, 'second SessionReasoning action present'); + assert.ok(part.part.kind === ResponsePartKind.Reasoning, 'part kind is Reasoning'); + + assert.deepStrictEqual({ + partActionsCount: partActions.length, + reasoningActionsCount: reasoningActions.length, + partKindIsReasoning: part.part.kind === ResponsePartKind.Reasoning, + partPrecedesReasoning: partActions[0].i < reasoningActions[0].i, + partIdsMatch: part.part.id === firstReasoning.partId && part.part.id === secondReasoning.partId, + turnId: part.turnId, + reasoningTexts: [firstReasoning.content, secondReasoning.content], + }, { + partActionsCount: 1, + reasoningActionsCount: 2, + partKindIsReasoning: true, + partPrecedesReasoning: true, + partIdsMatch: true, + turnId: 'turn-1', + reasoningTexts: ['let me think', ' more'], + }); + }); + + test('result emits SessionUsage immediately before SessionTurnComplete', async () => { + // Phase 6 §5.1 Test 8 + §4 mapping table. The protocol contract + // requires usage to be reported BEFORE the turn is marked + // complete (otherwise consumers that flush state on + // `SessionTurnComplete` lose the usage attribution). Both + // signals come from the single `result` SDK message; the mapper + // emits them in the prescribed order. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + const result = makeResultSuccess(sessionId); + // Override the zero-default usage with values the mapper must + // forward verbatim into `SessionUsage.usage`. + result.usage.input_tokens = 17; + result.usage.output_tokens = 42; + result.usage.cache_read_input_tokens = 5; + result.modelUsage = { + 'claude-sonnet-4-test': { + inputTokens: 17, + outputTokens: 42, + cacheReadInputTokens: 5, + cacheCreationInputTokens: 0, + webSearchRequests: 0, + costUSD: 0, + contextWindow: 200000, + maxOutputTokens: 8192, + }, + }; + sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), result]; + + const signals: AgentSignal[] = []; + disposables.add(agent.onDidSessionProgress(s => signals.push(s))); + + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + const tail = signals + .map(s => s.kind === 'action' ? s.action : undefined) + .filter((a): a is NonNullable => + a?.type === ActionType.SessionUsage || a?.type === ActionType.SessionTurnComplete); + + const usage = tail[0]?.type === ActionType.SessionUsage ? tail[0] : undefined; + const complete = tail[1]?.type === ActionType.SessionTurnComplete ? tail[1] : undefined; + + assert.ok(usage, 'first action in tail is SessionUsage'); + assert.ok(complete, 'second action in tail is SessionTurnComplete'); + + assert.deepStrictEqual({ + tailLength: tail.length, + usageType: tail[0]?.type, + completeType: tail[1]?.type, + usageTurnId: usage.turnId, + completeTurnId: complete.turnId, + inputTokens: usage.usage.inputTokens, + outputTokens: usage.usage.outputTokens, + cacheReadTokens: usage.usage.cacheReadTokens, + model: usage.usage.model, + }, { + tailLength: 2, + usageType: ActionType.SessionUsage, + completeType: ActionType.SessionTurnComplete, + usageTurnId: 'turn-1', + completeTurnId: 'turn-1', + inputTokens: 17, + outputTokens: 42, + cacheReadTokens: 5, + model: 'claude-sonnet-4-test', + }); + }); + + test('multiple text blocks each get a distinct partId; deltas route correctly', async () => { + // Phase 6 §5.1 Test 9. Anthropic streams interleave text blocks + // (e.g. assistant emits two paragraphs in the same turn). Each + // `content_block_start` event has a distinct `index`; the mapper + // allocates a fresh partId per index and routes deltas via the + // `currentBlockParts` map. This test stages two text blocks at + // indices 0 and 1, sends a delta into each, and asserts the + // allocation produced two distinct partIds and the deltas + // landed on the right one. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeStreamEvent(sessionId, makeMessageStart()), + makeStreamEvent(sessionId, makeContentBlockStartText(0)), + makeStreamEvent(sessionId, makeTextDelta(0, 'first ')), + makeStreamEvent(sessionId, makeContentBlockStop(0)), + makeStreamEvent(sessionId, makeContentBlockStartText(1)), + makeStreamEvent(sessionId, makeTextDelta(1, 'second')), + makeStreamEvent(sessionId, makeContentBlockStop(1)), + makeStreamEvent(sessionId, makeMessageStop()), + makeResultSuccess(sessionId), + ]; + + const signals: AgentSignal[] = []; + disposables.add(agent.onDidSessionProgress(s => signals.push(s))); + + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + const partActions = signals + .map(s => s.kind === 'action' ? s.action : undefined) + .filter(a => a?.type === ActionType.SessionResponsePart); + const deltaActions = signals + .map(s => s.kind === 'action' ? s.action : undefined) + .filter(a => a?.type === ActionType.SessionDelta); + + const part0 = partActions[0]?.type === ActionType.SessionResponsePart ? partActions[0] : undefined; + const part1 = partActions[1]?.type === ActionType.SessionResponsePart ? partActions[1] : undefined; + const delta0 = deltaActions[0]?.type === ActionType.SessionDelta ? deltaActions[0] : undefined; + const delta1 = deltaActions[1]?.type === ActionType.SessionDelta ? deltaActions[1] : undefined; + + assert.ok(part0 && part1, 'two SessionResponsePart actions present'); + assert.ok(delta0 && delta1, 'two SessionDelta actions present'); + + const id0 = part0.part.kind === ResponsePartKind.Markdown ? part0.part.id : ''; + const id1 = part1.part.kind === ResponsePartKind.Markdown ? part1.part.id : ''; + + assert.deepStrictEqual({ + partActionsCount: partActions.length, + deltaActionsCount: deltaActions.length, + distinctPartIds: id0 !== id1, + delta0RoutedToPart0: delta0.partId === id0, + delta1RoutedToPart1: delta1.partId === id1, + delta0Content: delta0.content, + delta1Content: delta1.content, + }, { + partActionsCount: 2, + deltaActionsCount: 2, + distinctPartIds: true, + delta0RoutedToPart0: true, + delta1RoutedToPart1: true, + delta0Content: 'first ', + delta1Content: 'second', + }); + }); + + test('_isResumed flips on first system:init', async () => { + // Phase 6 §5.1 Test 10. The SDK's `system:init` message marks + // the start of a session. Phase 7+ teardown+recreate uses + // `_isResumed` to drive `Options.resume = sessionId` on the + // second `startup()`, signalling the SDK to reuse the existing + // transcript. Phase 6 has no teardown+recreate yet, so the test + // asserts the flag flip directly through a session getter. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; + + // Snapshot before the SDK has streamed any messages. + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + const session = agent.getSessionForTesting(created.session); + assert.ok(session, 'session is materialized'); + assert.strictEqual(session.isResumed, true, 'isResumed flipped after system:init'); + }); + + test('disposing a materialized session aborts the controller and rejects the in-flight send', async () => { + // Phase 6 §5.1 Test 11. The dispose chain registered in + // `ClaudeAgentSession`'s constructor calls + // `abortController.abort()`. The for-await loop sees + // `signal.aborted` and throws `CancellationError`, and the + // `_processMessages` catch latches `_fatalError` + rejects every + // in-flight deferred. Without the latch the in-flight send + // would park forever and the test would hang. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + + // Park the iterator at index 0 so `_processMessages` is + // suspended inside `next()` when dispose runs. After dispose + // flips `signal.aborted`, releasing `advance` lets the + // for-await body run the `if (aborted) throw` check. + const advance = new DeferredPromise(); + sdk.queryAdvance = async (idx: number) => { + if (idx === 0) { + await advance.p; + } + }; + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeResultSuccess(sessionId), + ]; + + // Use the materialize event to deterministically wait until the + // session is in `_sessions` (and the in-flight deferred has been + // queued by `entry.send`). Without this we'd race materialize. + const materialized = Event.toPromise(agent.onDidMaterializeSession); + + const send = agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + const settle: { rejected?: unknown } = {}; + const sendDone = send.then(() => { settle.rejected = false; }, err => { settle.rejected = err; }); + + await materialized; + // One additional macro-flush so `entry.send` has pushed the + // deferred to `_inFlightRequests` and `_processMessages` has + // started its for-await (parked on `advance.p`). + await new Promise(resolve => setImmediate(resolve)); + + const aborter = sdk.capturedStartupOptions[0]?.abortController; + await agent.disposeSession(created.session); + // Release the parked iterator so the for-await loop unblocks + // and the abort-check throws CancellationError. + advance.complete(); + await sendDone; + + assert.deepStrictEqual({ + rejectedIsCancellation: isCancellationError(settle.rejected), + abortedAfterDispose: aborter?.signal.aborted, + sessionRemoved: agent.getSessionForTesting(created.session) === undefined, + }, { + rejectedIsCancellation: true, + abortedAfterDispose: true, + sessionRemoved: true, + }); + }); + + test('dispose racing _writeCustomizationDirectory does not orphan the materialized session (C1)', async () => { + // Council-review C1 regression. The plan's Q8 belt-and-suspenders + // abort guard at `_materializeProvisional` only catches an abort + // that lands while `await sdk.startup()` is in flight. + // `_writeCustomizationDirectory` is a SECOND async boundary where + // a racing `disposeSession` (which uses `_disposeSequencer` — a + // different sequencer from `sendMessage`'s `_sessionSequencer`) + // can fire, find the provisional record, abort, remove, and + // return. Without the pre-commit abort gate added in this fix, + // materialize would still set `_sessions[sessionId]` and fire + // `onDidMaterializeSession` — leaking a WarmQuery subprocess. + // + // Test setup uses a custom session database whose `setMetadata` + // blocks on a per-test deferred so we can deterministically + // interleave dispose with persist. The fix asserts: + // - the racing `sendMessage` rejects with `CancellationError` + // - the session never lands in `_sessions` + // - `onDidMaterializeSession` never fires + // - the WarmQuery is asyncDisposed (no orphan subprocess) + const persistGate = new DeferredPromise(); + let persistEntered = false; + const blockingDb = new TestSessionDatabase(); + const originalSetMetadata = blockingDb.setMetadata.bind(blockingDb); + blockingDb.setMetadata = async (key, value) => { + persistEntered = true; + await persistGate.p; + await originalSetMetadata(key, value); + }; + + const proxy = new FakeClaudeProxyService(); + const api = new FakeCopilotApiService(); + api.models = async () => [...ALL_MODELS]; + const sdk = new FakeClaudeAgentSdkService(); + const sessionData = createSessionDataService(blockingDb); + + const services = new ServiceCollection( + [ILogService, new NullLogService()], + [ICopilotApiService, api], + [IClaudeProxyService, proxy], + [ISessionDataService, sessionData], + [IClaudeAgentSdkService, sdk], + [IAgentHostGitService, createNoopGitService()], + ); + const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); + const agent: ClaudeAgent = disposables.add(instantiationService.createInstance(ClaudeAgent)); + + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; + + const materializeEvents: IAgentMaterializeSessionEvent[] = []; + disposables.add(agent.onDidMaterializeSession(e => materializeEvents.push(e))); + + // Kick off the materialize. It will pass the post-startup abort + // gate, create the wrapper, then park inside `setMetadata`. + const send = agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + const settle: { rejected?: unknown } = {}; + const sendDone = send.then(() => { settle.rejected = false; }, err => { settle.rejected = err; }); + + // Wait until the persist step has actually been entered. This is + // the deterministic gate — without it we'd be racing the materialize + // progress against our dispose call. + while (!persistEntered) { + await new Promise(resolve => setImmediate(resolve)); + } + + // Now dispose while persist is parked. The dispose-sequencer is + // independent of the send-sequencer, so this runs immediately: + // finds the provisional, aborts the controller, removes from + // `_provisionalSessions`, returns. + await agent.disposeSession(created.session); + + // Release the persist gate. Materialize resumes after the + // `await setMetadata`, hits the pre-commit abort gate (signal is + // aborted), disposes the wrapper, and throws CancellationError. + persistGate.complete(); + await sendDone; + + assert.deepStrictEqual({ + rejectedIsCancellation: isCancellationError(settle.rejected), + sessionNotInMap: agent.getSessionForTesting(created.session) === undefined, + materializeNeverFired: materializeEvents.length === 0, + warmQueryDisposed: sdk.warmQueries[0]?.asyncDisposeCount === 1, + }, { + rejectedIsCancellation: true, + sessionNotInMap: true, + materializeNeverFired: true, + warmQueryDisposed: true, + }); + }); + + test('disposing a provisional session never calls SDK startup and removes the record', async () => { + // Phase 6 §5.1 Test 12. Symmetric with createSession's + // "no SDK contact" invariant: provisional dispose must NOT + // reach `sdk.startup` (no subprocess spawn for an + // already-cancelled session). Pinned by: + // - `sdk.startupCallCount === 0` after dispose + // - a subsequent `sendMessage` for the same URI throws + // 'Cannot send to unknown session' (proves the provisional + // record was actually removed, not just abort-flagged) + // - the provisional's `AbortController` flipped to aborted + // (so any future racing materialize would short-circuit) + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + + await agent.disposeSession(created.session); + + // Materializing now requires a provisional record; without it + // the sequencer task throws synchronously inside the queued fn. + const sendErr = await agent.sendMessage(created.session, 'hi', undefined, 'turn-1') + .then(() => undefined, err => err); + + assert.deepStrictEqual({ + startupCallCount: sdk.startupCallCount, + warmQueriesLength: sdk.warmQueries.length, + sendThrewUnknown: sendErr instanceof Error && /unknown session/i.test(sendErr.message), + materializedAbsent: agent.getSessionForTesting(created.session) === undefined, + }, { + startupCallCount: 0, + warmQueriesLength: 0, + sendThrewUnknown: true, + materializedAbsent: true, + }); + }); + + test('shutdown drains a mix of provisional and materialized sessions', async () => { + // Phase 6 §5.1 Test 13. The shutdown spec is two-phase: + // 1) Provisional sessions: abort each AbortController + clear + // the map. No SDK contact (mirrors `disposeSession`'s + // provisional branch). This unblocks any racing + // `await sdk.startup()` so the materialize unwinds via the + // post-startup abort guard. + // 2) Materialized sessions: drain through the per-session + // `_disposeSequencer` so a concurrent caller targeting the + // same id is serialized; each entry's `dispose()` flips + // `signal.aborted` and asyncDisposes the WarmQuery. + // What this test pins: after `shutdown()`, every provisional + // AbortController is aborted, every materialized session has + // been removed from the map, and `shutdown()` is memoized + // (second call returns the same promise identity). + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + + // Materialize one session by running a turn end-to-end. + const matCreated = await agent.createSession({ workingDirectory: URI.file('/work-mat') }); + sdk.nextQueryMessages = [ + makeSystemInitMessage(AgentSession.id(matCreated.session)), + makeResultSuccess(AgentSession.id(matCreated.session)), + ]; + await agent.sendMessage(matCreated.session, 'hi', undefined, 'turn-1'); + + // Leave a second session provisional. + const provCreated = await agent.createSession({ workingDirectory: URI.file('/work-prov') }); + const provAborter = (() => { + // The provisional's controller isn't directly observable from the + // public surface; capture it indirectly via the `capturedStartupOptions` + // of a hypothetical materialize. Since we never materialize the + // provisional here, we reach into the agent's test accessor: + const provSession = agent.getSessionForTesting(provCreated.session); + assert.strictEqual(provSession, undefined, 'second session must remain provisional'); + return undefined; + })(); + assert.strictEqual(provAborter, undefined); + + // Capture the materialized session's WarmQuery so we can assert + // it was asyncDisposed by shutdown. + const matWarm = sdk.warmQueries[0]; + assert.ok(matWarm, 'materialized session must have a WarmQuery'); + const asyncDisposeBefore = matWarm.asyncDisposeCount; + + const first = agent.shutdown(); + const second = agent.shutdown(); + await Promise.all([first, second]); + + assert.deepStrictEqual({ + memoized: first === second, + matRemoved: agent.getSessionForTesting(matCreated.session) === undefined, + matWarmAsyncDisposed: matWarm.asyncDisposeCount > asyncDisposeBefore, + // A post-shutdown sendMessage to the provisional URI must + // fail because the provisional record was cleared. + provDropped: await agent.sendMessage(provCreated.session, 'late', undefined, 'turn-late') + .then(() => false, err => err instanceof Error && /unknown session/i.test(err.message)), + // Same for the materialized URI. + matDropped: await agent.sendMessage(matCreated.session, 'late', undefined, 'turn-late') + .then(() => false, err => err instanceof Error && /unknown session/i.test(err.message)), + }, { + memoized: true, + matRemoved: true, + matWarmAsyncDisposed: true, + provDropped: true, + matDropped: true, + }); + }); + + test('mapper throwing on a malformed stream_event is logged and the turn continues', async () => { + // Phase 6 §5.1 Test 14. The mapper does its OWN warn-and-skip + // for known malformed shapes (e.g. tool_use streams while + // `canUseTool: deny`). The try/catch in `_processMessages` is + // defense-in-depth for everything else: a programming bug in + // the mapper, an SDK output we didn't anticipate, etc. This + // test pins that resilience guarantee — pass an event that + // makes the mapper crash on field access (`event.delta.type` + // when `delta` is missing), then verify: + // 1) the catch absorbs the throw (turn doesn't reject), + // 2) the next valid stream event still flows through (the + // mapper state isn't poisoned), + // 3) the result message still completes the deferred. + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + + const sessionUri = created.session; + const observed: AgentSignal[] = []; + disposables.add(agent.onDidSessionProgress(s => { + if (AgentSession.id(s.session) === AgentSession.id(sessionUri)) { + observed.push(s); + } + })); + + // Build a `content_block_delta` event missing the required + // `delta` field. The malformed event is typed as + // `BetaRawContentBlockDeltaEvent` via `// @ts-expect-error` + // rather than a cast — keeps the type system honest about the + // shape while still letting the runtime exercise the mapper's + // defensive try/catch. + const malformedDeltaEvent = { type: 'content_block_delta', index: 0 }; + // @ts-expect-error - intentionally missing `delta` field to test mapper resilience + const malformedEvent: BetaRawContentBlockDeltaEvent = malformedDeltaEvent; + const malformedMessage = makeStreamEvent(sessionId, malformedEvent); + + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeStreamEvent(sessionId, makeMessageStart()), + makeStreamEvent(sessionId, makeContentBlockStartText(0)), + malformedMessage, + makeStreamEvent(sessionId, makeTextDelta(0, 'recover')), + makeStreamEvent(sessionId, makeContentBlockStop(0)), + makeResultSuccess(sessionId), + ]; + + await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + + const deltas = observed.flatMap(s => + s.kind === 'action' && s.action.type === ActionType.SessionDelta + ? [s.action.content] + : []); + const turnCompletes = observed.filter(s => + s.kind === 'action' && s.action.type === ActionType.SessionTurnComplete); + + assert.deepStrictEqual({ + deltas, + turnCompleteCount: turnCompletes.length, + }, { + deltas: ['recover'], + turnCompleteCount: 1, + }); + }); + + test('attachments (File and Directory) become a system-reminder block on the user message', async () => { + // Phase 6 §5.1 Test 15. The prompt resolver must produce two + // content blocks for an attachment-bearing send: a `text` + // block carrying the prompt, then a `text` block wrapped in + // `` listing the attached URIs (one line + // per entry, prefix `- `, paths via fsPath for `file:` URIs). + // Phase 6 only round-trips File and Directory — the Selection + // branch is dead-code (AgentSideEffects strips text/selection + // at the protocol → agent boundary). + const { agent, sdk } = createTestContext(disposables); + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + + sdk.nextQueryMessages = [ + makeSystemInitMessage(sessionId), + makeResultSuccess(sessionId), + ]; + + const fileUri = URI.file('/work/src/foo.ts'); + const dirUri = URI.file('/work/src/bar'); + await agent.sendMessage(created.session, 'review please', [ + { type: AttachmentType.File, uri: fileUri, displayName: 'foo.ts' }, + { type: AttachmentType.Directory, uri: dirUri, displayName: 'bar' }, + ], 'turn-1'); + + const drained = sdk.warmQueries[0]?.produced?.drainedPrompts ?? []; + assert.strictEqual(drained.length, 1, 'one prompt was drained'); + const userMessage = drained[0]; + const content = userMessage.message.content; + assert.ok(Array.isArray(content), 'content blocks are an array'); + + assert.deepStrictEqual({ + blockCount: content.length, + promptText: content[0]?.type === 'text' ? content[0].text : undefined, + reminderText: content[1]?.type === 'text' ? content[1].text : undefined, + }, { + blockCount: 2, + promptText: 'review please', + reminderText: + '\nThe user provided the following references:\n' + + `- ${fileUri.fsPath}\n` + + `- ${dirUri.fsPath}\n\n` + + 'IMPORTANT: this context may or may not be relevant to your tasks. ' + + 'You should not respond to this context unless it is highly relevant to your task.\n' + + '', + }); + }); + + test('shutdown resolves without throwing', async () => { + const { agent } = createTestContext(disposables); + await agent.shutdown(); + }); + + test('disposeSession is a safe no-op for an unknown session', async () => { + const { agent } = createTestContext(disposables); + await agent.disposeSession(URI.parse('claude:/never-created')); + }); + + test('shutdown clears provisional sessions; concurrent disposeSession is safe', async () => { + // Phase-6 update: createSession is provisional, so no + // `ClaudeAgentSession` wrappers exist before the first + // `sendMessage`. The wrapper-disposal-once invariant moves to + // the materialized-session shutdown drain in Cycle 13 (§5.1 + // Test 13). What this test still pins: shutdown + a concurrent + // `disposeSession` for a provisional URI complete without + // throwing, both share the `_disposeSequencer` for the same + // key, and the agent does not surface a double-dispose error. + const { agent } = createTestContext(disposables); + const r1 = await agent.createSession({}); + await agent.createSession({}); + + const p1 = agent.disposeSession(r1.session); + const p2 = agent.shutdown(); + await Promise.all([p1, p2]); + + // `shutdown` is memoized — a second call returns the same + // promise. Pin that here so concurrent teardowns don't double-drain. + const third = agent.shutdown(); + assert.strictEqual(third, p2); + await third; + }); + + test('disposeSession removes the wrapper but does NOT delete the SDK or DB session', async () => { + // Plan section 3.3.4 — `disposeSession` is wrapper teardown, NOT + // session deletion. The SDK session and the per-session DB + // outlive `disposeSession`; permanent deletion is a Phase 13 + // concern (deletion command) and goes through a different code + // path. The user-visible consequence: closing a tab in the + // workbench drops the wrapper but the session reappears in the + // session list (and its history is still on disk) until + // explicitly deleted. This invariant prevents accidental + // regression in Phase 6+ where wrapper teardown will gain real + // cleanup work (Query.interrupt) — that work MUST NOT spill + // into SDK-side or DB-side deletion. + const { agent, sdk } = createTestContext(disposables); + const created = await agent.createSession({}); + // Make the SDK report the just-created session as if its + // metadata had been written by an earlier `query()` turn — + // that's the steady state once Phase 6 sendMessage lands. + sdk.sessionList = [{ + sessionId: AgentSession.id(created.session), + summary: 'Hello world', + lastModified: 100, + }]; + + await agent.disposeSession(created.session); + const result = await agent.listSessions(); + + assert.deepStrictEqual({ + ids: result.map(r => AgentSession.id(r.session)), + summary: result[0]?.summary, + sdkCalls: sdk.listSessionsCallCount, + }, { + ids: [AgentSession.id(created.session)], + summary: 'Hello world', + sdkCalls: 1, + }); + }); + + test('getSessionMessages returns an empty transcript for any session', async () => { + // Phase 5 doesn't reconstruct transcripts. Real history reconstruction + // from the SDK event log lands in Phase 13; the bare method shape is + // required by IAgent so callers can subscribe before any messages + // exist. Returning `[]` is correct: the agent service supplies its + // own provisional turns from in-memory state until this method + // surfaces the persisted log. We assert the result is also a fresh + // array (not a shared sentinel) so future implementations can't + // leak mutations. + const { agent } = createTestContext(disposables); + const a = await agent.getSessionMessages(URI.parse('claude:/unknown-1')); + const b = await agent.getSessionMessages(URI.parse('claude:/unknown-2')); + assert.deepStrictEqual({ a, b, distinct: a !== b }, { a: [], b: [], distinct: true }); + }); + + test('listSessions returns SDK entries decorated with the per-session DB overlay', async () => { + // Plan section 3.3.2: the SDK is the source of truth; the per-session DB + // is a pure overlay/cache. We seed two SDK entries and a single + // DB carrying `claude.customizationDirectory` for entry 'a'. The + // result must include both entries; the overlay value must + // surface only on the entry that has a DB. + const dbA = new TestSessionDatabase(); + await dbA.setMetadata('claude.customizationDirectory', URI.file('/foo').toString()); + + const sessionData: ISessionDataService = { + ...createNullSessionDataService(), + tryOpenDatabase: async session => { + if (AgentSession.id(session) === 'a') { + return { object: dbA, dispose: () => { /* no-op */ } }; + } + return undefined; + }, + }; + const sdk = new FakeClaudeAgentSdkService(); + sdk.sessionList = [ + { sessionId: 'a', summary: 'Session A', lastModified: 1000, createdAt: 900 }, + { sessionId: 'b', summary: 'Session B', lastModified: 2000, createdAt: 1900 }, + ]; + + const services = new ServiceCollection( + [ILogService, new NullLogService()], + [ICopilotApiService, new FakeCopilotApiService()], + [IClaudeProxyService, new FakeClaudeProxyService()], + [ISessionDataService, sessionData], + [IClaudeAgentSdkService, sdk], + ); + const instantiationService = disposables.add(new InstantiationService(services)); + const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); + + const result = await agent.listSessions(); + const a = result.find(r => AgentSession.id(r.session) === 'a'); + const b = result.find(r => AgentSession.id(r.session) === 'b'); + assert.deepStrictEqual({ + count: result.length, + ids: result.map(r => AgentSession.id(r.session)).sort(), + summaryA: a?.summary, + summaryB: b?.summary, + modifiedA: a?.modifiedTime, + modifiedB: b?.modifiedTime, + custDirA: a?.customizationDirectory?.toString(), + custDirB: b?.customizationDirectory, + sdkCalls: sdk.listSessionsCallCount, + }, { + count: 2, + ids: ['a', 'b'], + summaryA: 'Session A', + summaryB: 'Session B', + modifiedA: 1000, + modifiedB: 2000, + custDirA: URI.file('/foo').toString(), + custDirB: undefined, + sdkCalls: 1, + }); + }); + + test('listSessions tolerates a corrupt DB without poisoning the rest of the listing', async () => { + // Plan section 3.3.2 risk: a single corrupt per-session DB MUST NOT + // drop the other entries from the listing. CopilotAgent's + // `Promise.all`-with-throwing-mapper pattern at copilotAgent.ts:519 + // has this latent bug; we follow AgentService.listSessions's + // inner-try/catch pattern instead. We simulate the failure by + // rejecting `tryOpenDatabase` for one specific sessionId; the + // other two must still surface, and the corrupt one must fall + // back to the bare SDK-derived entry (NOT undefined / NOT + // dropped). + const dbOk = new TestSessionDatabase(); + await dbOk.setMetadata('claude.customizationDirectory', URI.file('/ok').toString()); + + const sessionData: ISessionDataService = { + ...createNullSessionDataService(), + tryOpenDatabase: async session => { + const id = AgentSession.id(session); + if (id === 'corrupt') { + throw new Error('simulated DB open failure'); + } + if (id === 'ok') { + return { object: dbOk, dispose: () => { /* no-op */ } }; + } + return undefined; + }, + }; + const sdk = new FakeClaudeAgentSdkService(); + sdk.sessionList = [ + { sessionId: 'ok', summary: 'OK', lastModified: 100 }, + { sessionId: 'corrupt', summary: 'Corrupt', lastModified: 200 }, + { sessionId: 'external', summary: 'External', lastModified: 300 }, + ]; + + const services = new ServiceCollection( + [ILogService, new NullLogService()], + [ICopilotApiService, new FakeCopilotApiService()], + [IClaudeProxyService, new FakeClaudeProxyService()], + [ISessionDataService, sessionData], + [IClaudeAgentSdkService, sdk], + ); + const instantiationService = disposables.add(new InstantiationService(services)); + const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); + + const result = await agent.listSessions(); + const find = (id: string) => result.find(r => AgentSession.id(r.session) === id); + assert.deepStrictEqual({ + count: result.length, + ids: result.map(r => AgentSession.id(r.session)).sort(), + okCustDir: find('ok')?.customizationDirectory?.toString(), + corruptCustDir: find('corrupt')?.customizationDirectory, + corruptSummary: find('corrupt')?.summary, + externalCustDir: find('external')?.customizationDirectory, + }, { + count: 3, + ids: ['corrupt', 'external', 'ok'], + okCustDir: URI.file('/ok').toString(), + corruptCustDir: undefined, + corruptSummary: 'Corrupt', + externalCustDir: undefined, + }); + }); + + test('listSessions returns an empty list (does not reject) when the SDK fails to load', async () => { + // Copilot-reviewer comment: `AgentService.listSessions` fans out + // across providers via `Promise.all` (agentService.ts:202-204). + // If our SDK dynamic import rejects (corrupt install, missing + // optional dep) and we let it propagate, every other provider's + // session list disappears too \u2014 the sibling Copilot provider + // goes blank. Catching here keeps Claude's row empty while + // Copilot's row still surfaces. + const sdk = new FakeClaudeAgentSdkService(); + sdk.listSessionsRejection = new Error('simulated SDK load failure'); + + const services = new ServiceCollection( + [ILogService, new NullLogService()], + [ICopilotApiService, new FakeCopilotApiService()], + [IClaudeProxyService, new FakeClaudeProxyService()], + [ISessionDataService, createNullSessionDataService()], + [IClaudeAgentSdkService, sdk], + ); + const instantiationService = disposables.add(new InstantiationService(services)); + const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); + + const result = await agent.listSessions(); + assert.deepStrictEqual(result, []); + }); + + test('shutdown is idempotent and returns the same memoized promise on concurrent calls', async () => { + // Phase 6+ INVARIANT: the SDK Query subprocess for each live + // session is aborted inside `shutdown()`. If two callers race + // (e.g. ChatService.onDidShutdown + the host's own teardown), + // they MUST share one drain pass — otherwise we double-abort + // and risk EBUSY on the SQLite handle. Phase 5 has no async + // work yet, so the race is benign in practice; the memoization + // is locked NOW so Phase 6 inherits the contract for free. + // Mirror of `CopilotAgent.shutdown()` at copilotAgent.ts:1246. + const { agent } = createTestContext(disposables); + await agent.createSession({}); + await agent.createSession({}); + + const first = agent.shutdown(); + const second = agent.shutdown(); + await Promise.all([first, second]); + const third = agent.shutdown(); + await third; + + assert.deepStrictEqual({ + firstEqualsSecond: first === second, + firstEqualsThird: first === third, + }, { + firstEqualsSecond: true, + firstEqualsThird: true, + }); + }); + + test('ClaudeAgentSdkService caches the resolved module and logs the first load failure exactly once', async () => { + // Plan section 3.1 risk: a corrupt postinstall (missing native binding, + // bad node_modules) will fault every `import()` call. We MUST + // surface the first failure clearly so it's diagnosable, but + // MUST NOT spam the log on every subsequent call (listSessions + // runs per workbench refresh and per session-list rerender). + // Successful resolution is also cached so the dynamic import + // runs only once across the lifetime of the host. + // + // We drive this via a `TestableClaudeAgentSdkService` that + // overrides the protected `_loadSdk` seam — the production code + // returns the narrowed `IClaudeSdkBindings` slice rather than + // the full SDK module type, so the test can build a fake + // without naming every export. A `RecordingLogService` captures + // `error()` invocations. + const errorCalls: unknown[][] = []; + class RecordingLogService extends NullLogService { + override error(...args: unknown[]): void { + errorCalls.push(args); + } + } + + let importBehavior: 'fail' | IClaudeSdkBindings = 'fail'; + let importInvocations = 0; + class TestableClaudeAgentSdkService extends ClaudeAgentSdkService { + protected override async _loadSdk(): Promise { + importInvocations++; + if (importBehavior === 'fail') { + throw new Error('simulated SDK load failure'); + } + return importBehavior; + } + } + + const services = new ServiceCollection([ILogService, new RecordingLogService()]); + const inst = disposables.add(new InstantiationService(services)); + const svc = inst.createInstance(TestableClaudeAgentSdkService); + + // First two calls fault → exactly one log entry; both retry the import. + await assert.rejects(() => svc.listSessions(), /simulated SDK load failure/); + await assert.rejects(() => svc.listSessions(), /simulated SDK load failure/); + const failuresLogged = errorCalls.length; + const importInvocationsAfterFailures = importInvocations; + + // Recover. + importBehavior = { + listSessions: async () => [{ sessionId: 's', summary: 's', lastModified: 1 }], + startup: async () => { throw new Error('TestableClaudeAgentSdkService: startup not modeled'); }, + }; + const result1 = await svc.listSessions(); + const importInvocationsAfterFirstSuccess = importInvocations; + + // Subsequent successful calls hit the cache. + const result2 = await svc.listSessions(); + + assert.deepStrictEqual({ + failuresLogged, + importInvocationsAfterFailures, + importInvocationsAfterFirstSuccess, + invocationsAfterCachedCall: importInvocations, + result1Length: result1.length, + result1Id: result1[0]?.sessionId, + result2Length: result2.length, + finalLogCount: errorCalls.length, + }, { + failuresLogged: 1, + importInvocationsAfterFailures: 2, + importInvocationsAfterFirstSuccess: 3, + invocationsAfterCachedCall: 3, + result1Length: 1, + result1Id: 's', + result2Length: 1, + finalLogCount: 1, + }); + }); + + test('resolveSessionConfig returns Claude-native permissionMode + reused Permissions schema', async () => { + // Plan section 3.3.5 / decision B5 — Claude collapses the platform's + // two-axis approval model (`autoApprove` × `mode`) onto a single + // `permissionMode` axis matching the SDK's native + // `PermissionMode` enum. `Permissions` (allow/deny tool lists) + // is reused unchanged from `platformSessionSchema` because the + // SDK accepts `allowedTools` / `disallowedTools` natively. + // Tested keys: presence + ordering of enum + the four-value + // canonical set + default. Skipped keys (AutoApprove, Mode, + // Isolation, Branch, BranchNameHint) MUST be absent — workbench + // `AgentHostModePicker` and friends key off these property names + // to decide what to render, and accidentally re-introducing + // `mode` would drop the wrong picker into the Claude UI. + const { agent } = createTestContext(disposables); + const result = await agent.resolveSessionConfig({}); + const properties = result.schema.properties; + const permissionMode = properties['permissionMode']; + + assert.deepStrictEqual({ + topLevelType: result.schema.type, + propertyKeys: Object.keys(properties).sort(), + permissionModeType: permissionMode?.type, + permissionModeEnum: permissionMode?.enum, + permissionModeDefault: permissionMode?.default, + permissionsType: properties['permissions']?.type, + values: result.values, + autoApproveAbsent: properties['autoApprove'] === undefined, + modeAbsent: properties['mode'] === undefined, + isolationAbsent: properties['isolation'] === undefined, + branchAbsent: properties['branch'] === undefined, + }, { + topLevelType: 'object', + propertyKeys: ['permissionMode', 'permissions'], + permissionModeType: 'string', + permissionModeEnum: ['default', 'acceptEdits', 'bypassPermissions', 'plan'], + permissionModeDefault: 'default', + permissionsType: 'object', + values: { permissionMode: 'default' }, + autoApproveAbsent: true, + modeAbsent: true, + isolationAbsent: true, + branchAbsent: true, + }); + }); + + test('sessionConfigCompletions returns no items (permissionMode is a static enum)', async () => { + // Plan section 3.3.5 — Claude's only schema property is the + // `permissionMode` static enum, so dynamic completion is + // definitionally empty. Locks the contract before Phase 6's + // branch picker (subject to the worktree-extraction prerequisite + // in section 8) might want to plug into this method. + const { agent } = createTestContext(disposables); + const result = await agent.sessionConfigCompletions({ property: 'permissionMode', query: 'def' }); + assert.deepStrictEqual(result, { items: [] }); + }); + + test('dispose releases the proxy handle even with no materialized sessions', async () => { + // Phase-6 update: the wrapper-before-proxy ordering invariant + // only applies once a session has been materialized — provisional + // sessions hold no SDK subprocess that talks to the proxy. The + // wrapper-before-proxy ordering test moves to Cycle 11 (§5.1 + // Test 11 — dispose materialized aborts controller). What this + // test still pins for Phase 6: dispose releases the proxy handle + // even if no session was ever materialized, so authenticated-but- + // unused agents don't leak the proxy refcount. + let proxyDisposed = false; + + class RecordingProxyService implements IClaudeProxyService { + declare readonly _serviceBrand: undefined; + async start(_token: string): Promise { + return { + baseUrl: 'http://127.0.0.1:0', + nonce: 'n', + dispose: () => { proxyDisposed = true; }, + }; + } + dispose(): void { /* no-op */ } + } + + const services = new ServiceCollection( + [ILogService, new NullLogService()], + [ICopilotApiService, new FakeCopilotApiService()], + [IClaudeProxyService, new RecordingProxyService()], + [ISessionDataService, createNullSessionDataService()], + [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], + ); + const instantiationService = disposables.add(new InstantiationService(services)); + const agent = instantiationService.createInstance(ClaudeAgent); + + await agent.authenticate('https://api.github.com', 'tok'); + await agent.createSession({}); + agent.dispose(); + + assert.strictEqual(proxyDisposed, true); + }); + + test('agent.dispose() during a racing first sendMessage aborts the provisional and disposes the WarmQuery', async () => { + // Copilot reviewer: `dispose()` did not abort provisional + // AbortControllers. If a `sendMessage` was racing materialize + // (parked inside `_writeCustomizationDirectory`), `dispose()` + // would synchronously dispose `_sessions` and remove provisional + // records via teardown — but the materialize sequencer + // continuation, having already passed the post-startup abort + // gate, would resume past the persist step and call + // `_sessions.set(...)` on an already-disposed DisposableMap, + // orphaning the WarmQuery subprocess. The fix adds a + // `provisional.abortController.abort()` step before + // `super.dispose()` so the post-customization-write abort gate + // catches the race and asyncDisposes the WarmQuery. + const persistGate = new DeferredPromise(); + let persistEntered = false; + const blockingDb = new TestSessionDatabase(); + const originalSetMetadata = blockingDb.setMetadata.bind(blockingDb); + blockingDb.setMetadata = async (key, value) => { + persistEntered = true; + await persistGate.p; + await originalSetMetadata(key, value); + }; + + const proxy = new FakeClaudeProxyService(); + const api = new FakeCopilotApiService(); + api.models = async () => [...ALL_MODELS]; + const sdk = new FakeClaudeAgentSdkService(); + const sessionData = createSessionDataService(blockingDb); + + const services = new ServiceCollection( + [ILogService, new NullLogService()], + [ICopilotApiService, api], + [IClaudeProxyService, proxy], + [ISessionDataService, sessionData], + [IClaudeAgentSdkService, sdk], + [IAgentHostGitService, createNoopGitService()], + ); + const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); + const agent: ClaudeAgent = instantiationService.createInstance(ClaudeAgent); + + await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); + const created = await agent.createSession({ workingDirectory: URI.file('/work') }); + const sessionId = AgentSession.id(created.session); + sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; + + const send = agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); + const settle: { rejected?: unknown } = {}; + const sendDone = send.then(() => { settle.rejected = false; }, err => { settle.rejected = err; }); + + while (!persistEntered) { + await new Promise(resolve => setImmediate(resolve)); + } + + // Now dispose the WHOLE AGENT while persist is parked. This is + // the path the reviewer flagged: provisional AbortController + // must be aborted so the post-customization-write gate catches. + agent.dispose(); + + persistGate.complete(); + await sendDone; + + assert.deepStrictEqual({ + rejectedIsCancellation: isCancellationError(settle.rejected), + warmQueryDisposed: sdk.warmQueries[0]?.asyncDisposeCount === 1, + }, { + rejectedIsCancellation: true, + warmQueryDisposed: true, + }); + }); + + // #endregion }); From 2c6cc1cedb95e76aedca74d2e2b4d665edab6be5 Mon Sep 17 00:00:00 2001 From: BeniBenj Date: Tue, 5 May 2026 09:54:11 +0200 Subject: [PATCH 06/11] rename to tasks ser ice and fix joinPath error --- .../contrib/chat/browser/chat.contribution.ts | 4 +- .../contrib/chat/browser/runScriptAction.ts | 6 +- .../chat/browser/runScriptCustomTaskWidget.ts | 2 +- ...tionService.ts => sessionsTasksService.ts} | 68 ++++++++++++------- ...ce.test.ts => sessionsTaskService.test.ts} | 51 ++++++++++++-- 5 files changed, 96 insertions(+), 35 deletions(-) rename src/vs/sessions/contrib/chat/browser/{sessionsConfigurationService.ts => sessionsTasksService.ts} (88%) rename src/vs/sessions/contrib/chat/test/browser/{sessionsConfigurationService.test.ts => sessionsTaskService.test.ts} (92%) diff --git a/src/vs/sessions/contrib/chat/browser/chat.contribution.ts b/src/vs/sessions/contrib/chat/browser/chat.contribution.ts index b9597dd4d37a6f..63396e95ea1725 100644 --- a/src/vs/sessions/contrib/chat/browser/chat.contribution.ts +++ b/src/vs/sessions/contrib/chat/browser/chat.contribution.ts @@ -21,7 +21,7 @@ import './openInVSCodeWidget.js'; import './nullChatTipService.js'; import { InstantiationType, registerSingleton } from '../../../../platform/instantiation/common/extensions.js'; import { KeybindingWeight } from '../../../../platform/keybinding/common/keybindingsRegistry.js'; -import { ISessionsConfigurationService, SessionsConfigurationService } from './sessionsConfigurationService.js'; +import { ISessionsTasksService, SessionsTasksService } from './sessionsTasksService.js'; import { AgenticPromptsService } from './promptsService.js'; import { IPromptsService } from '../../../../workbench/contrib/chat/common/promptSyntax/service/promptsService.js'; import { IAICustomizationWorkspaceService } from '../../../../workbench/contrib/chat/common/aiCustomizationWorkspaceService.js'; @@ -154,7 +154,7 @@ registerWorkbenchContribution2(SessionsOpenerParticipantContribution.ID, Session // register services registerSingleton(IPromptsService, AgenticPromptsService, InstantiationType.Delayed); -registerSingleton(ISessionsConfigurationService, SessionsConfigurationService, InstantiationType.Delayed); +registerSingleton(ISessionsTasksService, SessionsTasksService, InstantiationType.Delayed); registerSingleton(IAICustomizationWorkspaceService, SessionsAICustomizationWorkspaceService, InstantiationType.Delayed); registerSingleton(ICustomizationHarnessService, SessionsCustomizationHarnessService, InstantiationType.Delayed); diff --git a/src/vs/sessions/contrib/chat/browser/runScriptAction.ts b/src/vs/sessions/contrib/chat/browser/runScriptAction.ts index 6eba6406666361..f7bedbc18a9915 100644 --- a/src/vs/sessions/contrib/chat/browser/runScriptAction.ts +++ b/src/vs/sessions/contrib/chat/browser/runScriptAction.ts @@ -34,7 +34,7 @@ import { IsActiveSessionBackgroundProviderContext, SessionsWelcomeVisibleContext import { ISession } from '../../../services/sessions/common/session.js'; import { IChatWidgetService } from '../../../../workbench/contrib/chat/browser/chat.js'; import { Menus } from '../../../browser/menus.js'; -import { INonSessionTaskEntry, ISessionsConfigurationService, ISessionTaskWithTarget, ITaskEntry, TaskStorageTarget } from './sessionsConfigurationService.js'; +import { INonSessionTaskEntry, ISessionsTasksService, ISessionTaskWithTarget, ITaskEntry, TaskStorageTarget } from './sessionsTasksService.js'; import { IsAuxiliaryWindowContext } from '../../../../workbench/common/contextkeys.js'; import { IRunScriptCustomTaskWidgetResult, RunScriptCustomTaskWidget } from './runScriptCustomTaskWidget.js'; @@ -119,7 +119,7 @@ export class RunScriptContribution extends Disposable implements IWorkbenchContr @ISessionsManagementService private readonly _sessionManagementService: ISessionsManagementService, @IKeybindingService _keybindingService: IKeybindingService, @IQuickInputService private readonly _quickInputService: IQuickInputService, - @ISessionsConfigurationService private readonly _sessionsConfigService: ISessionsConfigurationService, + @ISessionsTasksService private readonly _sessionsConfigService: ISessionsTasksService, @IActionViewItemService private readonly _actionViewItemService: IActionViewItemService, @IWorkbenchLayoutService private readonly _layoutService: IWorkbenchLayoutService, @ITelemetryService private readonly _telemetryService: ITelemetryService, @@ -496,7 +496,7 @@ class RunScriptActionViewItem extends BaseActionViewItem { private readonly _showCustomCommandInput: (session: ISession, existingTask: INonSessionTaskEntry, mode?: TaskConfigurationMode) => Promise, private readonly _generateNewTask: (session: ISession) => Promise, @ICommandService private readonly _commandService: ICommandService, - @ISessionsConfigurationService private readonly _sessionsConfigService: ISessionsConfigurationService, + @ISessionsTasksService private readonly _sessionsConfigService: ISessionsTasksService, @IKeybindingService private readonly _keybindingService: IKeybindingService, @IActionWidgetService private readonly _actionWidgetService: IActionWidgetService, @IContextKeyService contextKeyService: IContextKeyService, diff --git a/src/vs/sessions/contrib/chat/browser/runScriptCustomTaskWidget.ts b/src/vs/sessions/contrib/chat/browser/runScriptCustomTaskWidget.ts index dd6a9f7477972d..93bd47780f77d6 100644 --- a/src/vs/sessions/contrib/chat/browser/runScriptCustomTaskWidget.ts +++ b/src/vs/sessions/contrib/chat/browser/runScriptCustomTaskWidget.ts @@ -16,7 +16,7 @@ import { Disposable } from '../../../../base/common/lifecycle.js'; import { KeyCode } from '../../../../base/common/keyCodes.js'; import { localize } from '../../../../nls.js'; import { defaultButtonStyles, defaultCheckboxStyles, defaultInputBoxStyles } from '../../../../platform/theme/browser/defaultStyles.js'; -import { TaskStorageTarget } from './sessionsConfigurationService.js'; +import { TaskStorageTarget } from './sessionsTasksService.js'; export const WORKTREE_CREATED_RUN_ON = 'worktreeCreated' as const; diff --git a/src/vs/sessions/contrib/chat/browser/sessionsConfigurationService.ts b/src/vs/sessions/contrib/chat/browser/sessionsTasksService.ts similarity index 88% rename from src/vs/sessions/contrib/chat/browser/sessionsConfigurationService.ts rename to src/vs/sessions/contrib/chat/browser/sessionsTasksService.ts index 784c3f4c8ff0a5..246816188ab1b7 100644 --- a/src/vs/sessions/contrib/chat/browser/sessionsConfigurationService.ts +++ b/src/vs/sessions/contrib/chat/browser/sessionsTasksService.ts @@ -62,7 +62,7 @@ interface ITasksJson { tasks?: ITaskEntry[]; } -export interface ISessionsConfigurationService { +export interface ISessionsTasksService { readonly _serviceBrand: undefined; /** @@ -118,9 +118,9 @@ export interface ISessionsConfigurationService { setPinnedTaskLabel(repository: URI | undefined, taskLabel: string | undefined): void; } -export const ISessionsConfigurationService = createDecorator('sessionsConfigurationService'); +export const ISessionsTasksService = createDecorator('sessionsTasksService'); -export class SessionsConfigurationService extends Disposable implements ISessionsConfigurationService { +export class SessionsTasksService extends Disposable implements ISessionsTasksService { declare readonly _serviceBrand: undefined; @@ -146,11 +146,8 @@ export class SessionsConfigurationService extends Disposable implements ISession } getSessionTasks(session: ISession): IObservable { - const repo = this._getSessionRepo(session); - const folder = repo?.workingDirectory ?? repo?.uri; - if (folder) { - this._ensureFileWatch(folder); - } + const folder = this._getSessionFolder(session); + this._ensureFileWatch(folder); // Trigger initial read only when the folder changes; the file watcher handles subsequent updates if (!isEqual(this._lastRefreshedFolder, folder)) { this._lastRefreshedFolder = folder; @@ -353,13 +350,30 @@ export class SessionsConfigurationService extends Disposable implements ISession return session.workspace.get()?.repositories[0]; } + private _getSessionFolder(session: ISession): URI | undefined { + const repo = this._getSessionRepo(session); + return repo?.workingDirectory ?? repo?.uri; + } + private _getTasksJsonUri(session: ISession, target: TaskStorageTarget): URI | undefined { if (target === 'workspace') { - const repo = this._getSessionRepo(session); - const folder = repo?.workingDirectory ?? repo?.uri; - return folder ? joinPath(folder, '.vscode', 'tasks.json') : undefined; + return this._getWorkspaceTasksJsonUri(this._getSessionFolder(session)); } - return joinPath(dirname(this._preferencesService.userSettingsResource), 'tasks.json'); + return this._getUserTasksJsonUri(); + } + + private _getWorkspaceTasksJsonUri(folder: URI | undefined): URI | undefined { + return folder?.path ? joinPath(folder, '.vscode', 'tasks.json') : undefined; + } + + private _getUserTasksJsonUri(): URI | undefined { + const userSettingsResource = this._preferencesService.userSettingsResource; + if (!userSettingsResource.path) { + return undefined; + } + + const userSettingsFolder = dirname(userSettingsResource); + return userSettingsFolder.path ? joinPath(userSettingsFolder, 'tasks.json') : undefined; } private async _readTasksJson(uri: URI): Promise { @@ -375,8 +389,14 @@ export class SessionsConfigurationService extends Disposable implements ISession return !!task.label; } - private _ensureFileWatch(folder: URI): void { - const tasksUri = joinPath(folder, '.vscode', 'tasks.json'); + private _ensureFileWatch(folder: URI | undefined): void { + const tasksUri = this._getWorkspaceTasksJsonUri(folder); + if (!tasksUri) { + this._watchedResource = undefined; + this._fileWatcher.clear(); + return; + } + if (this._watchedResource && this._watchedResource.toString() === tasksUri.toString()) { return; } @@ -388,11 +408,13 @@ export class SessionsConfigurationService extends Disposable implements ISession disposables.add(this._fileService.watch(tasksUri)); // Also watch user-level tasks.json so that user session tasks changes refresh the observable - const userUri = joinPath(dirname(this._preferencesService.userSettingsResource), 'tasks.json'); - disposables.add(this._fileService.watch(userUri)); + const userUri = this._getUserTasksJsonUri(); + if (userUri) { + disposables.add(this._fileService.watch(userUri)); + } disposables.add(this._fileService.onDidFilesChange(e => { - if (e.affects(tasksUri) || e.affects(userUri)) { + if (e.affects(tasksUri) || (userUri && e.affects(userUri))) { this._refreshSessionTasks(folder); } })); @@ -406,15 +428,15 @@ export class SessionsConfigurationService extends Disposable implements ISession return; } - const tasksUri = joinPath(folder, '.vscode', 'tasks.json'); - const tasksJson = await this._readTasksJson(tasksUri); + const tasksUri = this._getWorkspaceTasksJsonUri(folder); + const tasksJson = tasksUri ? await this._readTasksJson(tasksUri) : {}; const sessionTasks: ISessionTaskWithTarget[] = (tasksJson.tasks ?? []) .filter(t => t.inAgents && this._isSupportedTask(t)) .map(t => ({ task: t, target: 'workspace' as TaskStorageTarget })); // Also include user-level session tasks - const userUri = joinPath(dirname(this._preferencesService.userSettingsResource), 'tasks.json'); - const userJson = await this._readTasksJson(userUri); + const userUri = this._getUserTasksJsonUri(); + const userJson = userUri ? await this._readTasksJson(userUri) : {}; const userSessionTasks: ISessionTaskWithTarget[] = (userJson.tasks ?? []) .filter(t => t.inAgents && this._isSupportedTask(t)) .map(t => ({ task: t, target: 'user' as TaskStorageTarget })); @@ -423,7 +445,7 @@ export class SessionsConfigurationService extends Disposable implements ISession } private _loadPinnedTaskLabels(): Map { - const raw = this._storageService.get(SessionsConfigurationService._PINNED_TASK_LABELS_KEY, StorageScope.APPLICATION); + const raw = this._storageService.get(SessionsTasksService._PINNED_TASK_LABELS_KEY, StorageScope.APPLICATION); if (raw) { try { return new Map(Object.entries(JSON.parse(raw))); @@ -436,7 +458,7 @@ export class SessionsConfigurationService extends Disposable implements ISession private _savePinnedTaskLabels(): void { this._storageService.store( - SessionsConfigurationService._PINNED_TASK_LABELS_KEY, + SessionsTasksService._PINNED_TASK_LABELS_KEY, JSON.stringify(Object.fromEntries(this._pinnedTaskLabels)), StorageScope.APPLICATION, StorageTarget.USER diff --git a/src/vs/sessions/contrib/chat/test/browser/sessionsConfigurationService.test.ts b/src/vs/sessions/contrib/chat/test/browser/sessionsTaskService.test.ts similarity index 92% rename from src/vs/sessions/contrib/chat/test/browser/sessionsConfigurationService.test.ts rename to src/vs/sessions/contrib/chat/test/browser/sessionsTaskService.test.ts index 7c502613ab65f1..ce039944370486 100644 --- a/src/vs/sessions/contrib/chat/test/browser/sessionsConfigurationService.test.ts +++ b/src/vs/sessions/contrib/chat/test/browser/sessionsTaskService.test.ts @@ -14,7 +14,7 @@ import { InMemoryStorageService, IStorageService } from '../../../../../platform import { IJSONEditingService, IJSONValue } from '../../../../../workbench/services/configuration/common/jsonEditing.js'; import { IPreferencesService } from '../../../../../workbench/services/preferences/common/preferences.js'; import { IWorkspaceContextService, IWorkspaceFolder } from '../../../../../platform/workspace/common/workspace.js'; -import { INonSessionTaskEntry, ISessionsConfigurationService, SessionsConfigurationService, ITaskEntry } from '../../browser/sessionsConfigurationService.js'; +import { INonSessionTaskEntry, ISessionsTasksService, SessionsTasksService, ITaskEntry } from '../../browser/sessionsTasksService.js'; import { VSBuffer } from '../../../../../base/common/buffer.js'; import { observableValue } from '../../../../../base/common/observable.js'; import { Task } from '../../../../../workbench/contrib/tasks/common/tasks.js'; @@ -94,10 +94,10 @@ function tasksJsonContent(tasks: ITaskEntry[]): string { return JSON.stringify({ version: '2.0.0', tasks }); } -suite('SessionsConfigurationService', () => { +suite('SessionsTasksService', () => { const store = new DisposableStore(); - let service: ISessionsConfigurationService; + let service: ISessionsTasksService; let fileContents: Map; let jsonEdits: { uri: URI; values: IJSONValue[] }[]; let ranTasks: { label: string }[]; @@ -106,6 +106,7 @@ suite('SessionsConfigurationService', () => { let activeSessionObs: ReturnType>; let tasksByLabel: Map; let workspaceFoldersByUri: Map; + let preferencesService: IPreferencesService & { userSettingsResource: URI }; const userSettingsUri = URI.parse('file:///user/settings.json'); const repoUri = URI.parse('file:///repo'); @@ -141,9 +142,10 @@ suite('SessionsConfigurationService', () => { } }); - instantiationService.stub(IPreferencesService, new class extends mock() { + preferencesService = new class extends mock() { override userSettingsResource = userSettingsUri; - }); + }; + instantiationService.stub(IPreferencesService, preferencesService); instantiationService.stub(ITaskService, new class extends mock() { override async getTask(_workspaceFolder: any, alias: string | any) { @@ -171,7 +173,7 @@ suite('SessionsConfigurationService', () => { storageService = store.add(new InMemoryStorageService()); instantiationService.stub(IStorageService, storageService); - service = store.add(instantiationService.createInstance(SessionsConfigurationService)); + service = store.add(instantiationService.createInstance(SessionsTasksService)); }); teardown(() => { @@ -251,6 +253,19 @@ suite('SessionsConfigurationService', () => { assert.strictEqual(readFileCalls.length, 2, 'should read files only once (no duplicate refresh)'); }); + test('getSessionTasks skips workspace tasks when repository URI has no path', async () => { + const userTasksUri = URI.from({ scheme: userSettingsUri.scheme, path: '/user/tasks.json' }); + fileContents.set(userTasksUri.toString(), tasksJsonContent([ + makeTask('userTask', 'npm run user', true), + ])); + + const session = makeSession({ repository: URI.parse('unknown://workspace') }); + const obs = service.getSessionTasks(session); + + await new Promise(r => setTimeout(r, 10)); + assert.deepStrictEqual(obs.get(), [{ task: makeTask('userTask', 'npm run user', true), target: 'user' }]); + }); + // --- getNonSessionTasks --- test('getNonSessionTasks returns only tasks without inAgents', async () => { @@ -305,6 +320,30 @@ suite('SessionsConfigurationService', () => { ] satisfies INonSessionTaskEntry[]); }); + test('getNonSessionTasks skips workspace tasks when repository URI has no path', async () => { + const userTasksUri = URI.from({ scheme: userSettingsUri.scheme, path: '/user/tasks.json' }); + fileContents.set(userTasksUri.toString(), tasksJsonContent([ + makeTask('userTask', 'npm run user'), + ])); + + const session = makeSession({ repository: URI.parse('unknown://workspace') }); + const nonSessionTasks = await service.getNonSessionTasks(session); + + assert.deepStrictEqual(nonSessionTasks, [ + { task: { label: 'userTask', type: 'shell', command: 'npm run user' }, target: 'user' }, + ] satisfies INonSessionTaskEntry[]); + }); + + test('user task operations are skipped when user settings URI has no path', async () => { + preferencesService.userSettingsResource = URI.parse('test://settings'); + + const session = makeSession({ repository: repoUri }); + const task = await service.createAndAddTask(undefined, 'npm run dev', session, 'user'); + const nonSessionTasks = await service.getNonSessionTasks(session); + + assert.deepStrictEqual({ task, nonSessionTasks, jsonEdits }, { task: undefined, nonSessionTasks: [], jsonEdits: [] }); + }); + // --- addTaskToSessions --- test('addTaskToSessions writes inAgents: true to the matching task index', async () => { From 494277d7b501b3689c8a4c2ecf1dd822d554dccf Mon Sep 17 00:00:00 2001 From: Ladislau Szomoru <3372902+lszomoru@users.noreply.github.com> Date: Tue, 5 May 2026 10:00:20 +0000 Subject: [PATCH 07/11] Agents - add branch name into the titlebar (#314325) * Agents - add branch name into the titlebar * Pull request feedback --- .../browser/media/sessionsTitleBarWidget.css | 20 +++++- .../browser/sessionsTitleBarWidget.ts | 61 +++++++++---------- 2 files changed, 47 insertions(+), 34 deletions(-) diff --git a/src/vs/sessions/contrib/sessions/browser/media/sessionsTitleBarWidget.css b/src/vs/sessions/contrib/sessions/browser/media/sessionsTitleBarWidget.css index 4736ced69aaeb9..c1c80d5111dcdc 100644 --- a/src/vs/sessions/contrib/sessions/browser/media/sessionsTitleBarWidget.css +++ b/src/vs/sessions/contrib/sessions/browser/media/sessionsTitleBarWidget.css @@ -96,6 +96,7 @@ gap: 6px; min-width: 0; overflow: hidden; + opacity: 0.7; } .command-center .agent-sessions-titlebar-container .agent-sessions-titlebar-repo { @@ -104,7 +105,24 @@ overflow: hidden; text-overflow: ellipsis; white-space: nowrap; - opacity: 0.7; +} + +.command-center .agent-sessions-titlebar-container .agent-sessions-titlebar-separator { + &::before { + content: '\00B7'; + } +} + +.command-center .agent-sessions-titlebar-container .agent-sessions-titlebar-branch { + display: flex; + align-items: center; + gap: 2px; + + .codicon { + font-size: 13px; + width: 13px; + height: 13px; + } } /* Provider label (shown for untitled sessions) */ diff --git a/src/vs/sessions/contrib/sessions/browser/sessionsTitleBarWidget.ts b/src/vs/sessions/contrib/sessions/browser/sessionsTitleBarWidget.ts index a174012761e2f6..99e69d61c6f0da 100644 --- a/src/vs/sessions/contrib/sessions/browser/sessionsTitleBarWidget.ts +++ b/src/vs/sessions/contrib/sessions/browser/sessionsTitleBarWidget.ts @@ -28,8 +28,8 @@ import { ISessionsProvidersService } from '../../../services/sessions/browser/se import { ISessionsListModelService } from './views/sessionsListModelService.js'; import { SHOW_SESSIONS_PICKER_COMMAND_ID } from './sessionsActions.js'; import { IsSessionArchivedContext, IsSessionPinnedContext, IsSessionReadContext, SessionItemContextMenuId } from './views/sessionsList.js'; -import { basename } from '../../../../base/common/resources.js'; import { ISessionsManagementService } from '../../../services/sessions/common/sessionsManagement.js'; +import { renderLabelWithIcons } from '../../../../base/browser/ui/iconLabel/iconLabels.js'; /** * Sessions Title Bar Widget - renders the active chat session title @@ -129,10 +129,10 @@ export class SessionsTitleBarWidget extends BaseActionViewItem { const label = this._getActiveSessionLabel(); const icon = this._getActiveSessionIcon(); const repoLabel = this._getRepositoryLabel(); - const repoDetailLabel = this._getRepositoryDetailLabel(); - const pillLabel = repoLabel ? `${label} ${repoLabel}${repoDetailLabel ? ` (${repoDetailLabel})` : ''}` : label; + const repoBranchLabel = this._getRepositoryBranchLabel(); + // Build a render-state key from all displayed data - const renderState = `${icon?.id ?? ''}|${label}|${repoLabel ?? ''}|${repoDetailLabel ?? ''}`; + const renderState = `${icon?.id ?? ''}|${label}|${repoLabel ?? ''}|${repoBranchLabel ?? ''}`; // Skip re-render if state hasn't changed if (this._lastRenderState === renderState) { @@ -150,30 +150,39 @@ export class SessionsTitleBarWidget extends BaseActionViewItem { this._container.tabIndex = 0; // Session pill: icon + label + folder together - const sessionPill = $('span.agent-sessions-titlebar-pill'); + const sessionPill = $('div.agent-sessions-titlebar-pill'); // Center group: icon + label + folder - const centerGroup = $('span.agent-sessions-titlebar-center'); + const centerGroup = $('div.agent-sessions-titlebar-center'); // Kind icon at the beginning if (icon) { - const iconEl = $('span.agent-sessions-titlebar-icon' + ThemeIcon.asCSSSelector(icon)); + const iconEl = $('div.agent-sessions-titlebar-icon' + ThemeIcon.asCSSSelector(icon)); centerGroup.appendChild(iconEl); } // Label - const labelEl = $('span.agent-sessions-titlebar-label'); + const labelEl = $('div.agent-sessions-titlebar-label'); labelEl.textContent = label; centerGroup.appendChild(labelEl); // Folder shown next to the title if (repoLabel) { - const detailsEl = $('span.agent-sessions-titlebar-details'); + const detailsEl = $('div.agent-sessions-titlebar-details'); - const repoEl = $('span.agent-sessions-titlebar-repo'); - repoEl.textContent = repoDetailLabel ? `${repoLabel} (${repoDetailLabel})` : repoLabel; + const repoEl = $('div.agent-sessions-titlebar-repo'); + repoEl.textContent = repoLabel; detailsEl.appendChild(repoEl); + if (repoBranchLabel) { + const separatorEl = $('div.agent-sessions-titlebar-separator'); + detailsEl.appendChild(separatorEl); + + const branchEl = $('div.agent-sessions-titlebar-branch'); + branchEl.append(...renderLabelWithIcons(`$(git-branch) ${repoBranchLabel}`)); + detailsEl.appendChild(branchEl); + } + centerGroup.appendChild(detailsEl); } @@ -198,10 +207,11 @@ export class SessionsTitleBarWidget extends BaseActionViewItem { this._container.appendChild(sessionPill); // Hover + const hover = `${label}${repoLabel ? `, ${repoLabel}` : ''}${repoBranchLabel ? `, ${repoBranchLabel}` : ''}`; this._dynamicDisposables.add(this.hoverService.setupManagedHover( getDefaultHoverDelegate('mouse'), sessionPill, - pillLabel + hover )); // Keyboard handler @@ -253,33 +263,18 @@ export class SessionsTitleBarWidget extends BaseActionViewItem { return undefined; } - private _getRepositoryDetailLabel(): string | undefined { + /** + * Get the branch label for the active session (only when using a worktree). + */ + private _getRepositoryBranchLabel(): string | undefined { const sessionData = this.sessionsManagementService.activeSession.get(); const workspace = sessionData?.workspace.get(); const repository = workspace?.repositories[0]; - if (!workspace || !repository) { - return undefined; - } - - if (repository.detail && !workspace.label.includes(`[${repository.detail}]`)) { - return repository.detail; - } - - if (!repository.workingDirectory) { - return undefined; - } - - const worktreeName = basename(repository.workingDirectory); - if (!worktreeName) { - return undefined; - } - - const repositoryName = basename(repository.uri); - if (worktreeName === workspace.label || worktreeName === repositoryName) { + if (!workspace || !repository || !repository.workingDirectory) { return undefined; } - return worktreeName; + return repository.branchName ?? repository.detail; } private _showContextMenu(e: MouseEvent): void { From 755dd284a12841820cbd3d9efc11c93eb17e5e30 Mon Sep 17 00:00:00 2001 From: Dmitriy Vasyura Date: Tue, 5 May 2026 03:17:19 -0700 Subject: [PATCH 08/11] Reuse VS Code's update widget/tooltip in the Agents app (#313450) --------- Co-authored-by: Copilot --- .../browser/account.contribution.ts | 213 +----------------- .../browser/media/accountTitleBarWidget.css | 54 +---- .../browser/media/updateHoverWidget.css | 65 ------ .../accountMenu/browser/updateHoverWidget.ts | 188 ---------------- .../test/browser/updateHoverWidget.fixture.ts | 83 ------- .../update/browser/updateTitleBarEntry.ts | 58 +++-- 6 files changed, 53 insertions(+), 608 deletions(-) delete mode 100644 src/vs/sessions/contrib/accountMenu/browser/media/updateHoverWidget.css delete mode 100644 src/vs/sessions/contrib/accountMenu/browser/updateHoverWidget.ts delete mode 100644 src/vs/sessions/contrib/accountMenu/test/browser/updateHoverWidget.fixture.ts diff --git a/src/vs/sessions/contrib/accountMenu/browser/account.contribution.ts b/src/vs/sessions/contrib/accountMenu/browser/account.contribution.ts index ba8cd08f80baba..456b988680466c 100644 --- a/src/vs/sessions/contrib/accountMenu/browser/account.contribution.ts +++ b/src/vs/sessions/contrib/accountMenu/browser/account.contribution.ts @@ -25,15 +25,9 @@ import { BaseActionViewItem, IBaseActionViewItemOptions } from '../../../../base import { IAction, Separator } from '../../../../base/common/actions.js'; import { renderLabelWithIcons } from '../../../../base/browser/ui/iconLabel/iconLabels.js'; import { Codicon } from '../../../../base/common/codicons.js'; -import { IUpdateService, State, StateType } from '../../../../platform/update/common/update.js'; import { IHoverService } from '../../../../platform/hover/browser/hover.js'; -import { IProductService } from '../../../../platform/product/common/productService.js'; import { IDialogService } from '../../../../platform/dialogs/common/dialogs.js'; -import { IHostService } from '../../../../workbench/services/host/browser/host.js'; -import { IOpenerService } from '../../../../platform/opener/common/opener.js'; -import { URI } from '../../../../base/common/uri.js'; -import { isWindows, isMacintosh } from '../../../../base/common/platform.js'; -import { UpdateHoverWidget } from './updateHoverWidget.js'; +import { registerUpdateTitleBarMenuPlacement } from '../../../../workbench/contrib/update/browser/updateTitleBarEntry.js'; import { ChatEntitlement, ChatEntitlementService, IChatEntitlementService } from '../../../../workbench/services/chat/common/chatEntitlementService.js'; import { ChatStatusDashboard, IChatStatusDashboardOptions } from '../../../../workbench/contrib/chat/browser/chatStatus/chatStatusDashboard.js'; import { HoverPosition } from '../../../../base/browser/ui/hover/hoverWidget.js'; @@ -50,7 +44,6 @@ import { InstantiationType, registerSingleton } from '../../../../platform/insta // --- Account Menu Items --- // const AccountMenu = Menus.AccountMenu; const SessionsTitleBarAccountWidgetAction = 'sessions.action.titleBarAccountWidget'; -const SessionsTitleBarUpdateWidgetAction = 'sessions.action.titleBarUpdateWidget'; const SESSIONS_ACCOUNT_TITLEBAR_PANEL_WIDTH = 360; const PERSONALIZE_ACTION_IDS: readonly string[] = [ @@ -61,106 +54,12 @@ const PERSONALIZE_ACTION_IDS: readonly string[] = [ const SIGN_OUT_ACTION_ID = 'workbench.action.agenticSignOut'; const SIGN_IN_ACTION_ID = 'workbench.action.agenticSignIn'; -function shouldHideSessionsTitleBarUpdateWidget(type: StateType): boolean { - return type === StateType.Uninitialized - || type === StateType.Idle - || type === StateType.Disabled - || type === StateType.CheckingForUpdates; -} - -function isPrimarySessionsTitleBarUpdateWidget(type: StateType): boolean { - return type === StateType.AvailableForDownload - || type === StateType.Downloaded - || type === StateType.Ready; -} - -function isBusySessionsTitleBarUpdateWidget(type: StateType): boolean { - return type === StateType.Downloading - || type === StateType.Overwriting - || type === StateType.Updating - || type === StateType.Restarting; -} - -function getSessionsTitleBarUpdateLabel(state: State): string { - switch (state.type) { - case StateType.AvailableForDownload: - return localize('sessionsTitleBarUpdateAvailable', "Update Available"); - case StateType.Downloaded: - return localize('sessionsTitleBarInstallUpdate', "Install Update"); - case StateType.Ready: - return localize('sessionsTitleBarRestartToUpdate', "Restart to Update"); - case StateType.Downloading: - case StateType.Overwriting: - return localize('sessionsTitleBarDownloading', "Downloading..."); - case StateType.Updating: - case StateType.Restarting: - return localize('sessionsTitleBarInstalling', "Installing..."); - default: - return localize('sessionsTitleBarUpdate', "Update"); - } -} - -function getSessionsTitleBarUpdateAriaLabel(state: State): string { - switch (state.type) { - case StateType.AvailableForDownload: - return localize('sessionsTitleBarUpdateAvailableAria', "Update available"); - case StateType.Downloaded: - return localize('sessionsTitleBarInstallUpdateAria', "Install downloaded update"); - case StateType.Ready: - return localize('sessionsTitleBarRestartToUpdateAria', "Restart to apply update"); - case StateType.Downloading: - case StateType.Overwriting: - return localize('sessionsTitleBarDownloadingAria', "Update download in progress"); - case StateType.Updating: - case StateType.Restarting: - return localize('sessionsTitleBarInstallingAria', "Update install in progress"); - default: - return localize('sessionsTitleBarUpdateAria', "Update"); - } -} - -async function runSessionsUpdateAction( - state: State, - updateService: IUpdateService, - openerService: IOpenerService, - productService: IProductService, - dialogService: IDialogService, - hostService: IHostService, -): Promise { - if (state.type === StateType.AvailableForDownload) { - const isInsiderOrExploration = productService.quality === 'insider' || productService.quality === 'exploration'; - const hasCrossAppCoordinator = (isWindows || isMacintosh) && isInsiderOrExploration; - if (!hasCrossAppCoordinator) { - const { confirmed } = await dialogService.confirm({ - message: localize('sessionsUpdateFromVSCode.title', "Update from VS Code"), - detail: localize('sessionsUpdateFromVSCode.detail', "This will close the Agents app and open VS Code so you can install the update.\n\nLaunch Agents again after the update is complete."), - primaryButton: localize('sessionsUpdateFromVSCode.open', "Close and Open VS Code"), - }); - - if (confirmed) { - await openerService.open(URI.from({ - scheme: productService.urlProtocol, - query: 'windowId=_blank', - }), { openExternal: true }); - await hostService.shutdown(); - } - - return; - } - - await updateService.downloadUpdate(true); - return; - } - - if (state.type === StateType.Ready) { - await updateService.quitAndInstall(); - return; - } - - if (state.type === StateType.Downloaded) { - await updateService.applyUpdate(); - } -} +// Register the shared VS Code update title bar entry into the Agents titlebar layout. +registerUpdateTitleBarMenuPlacement(Menus.TitleBarRightLayout, { + when: ContextKeyExpr.and(IsAuxiliaryWindowContext.toNegated(), SessionsWelcomeVisibleContext.toNegated()), + group: 'navigation', + order: 99, +}); // Sign In (shown when signed out) registerAction2(class extends Action2 { @@ -781,105 +680,11 @@ class TitleBarAccountWidget extends BaseActionViewItem { } } -class TitleBarUpdateWidget extends BaseActionViewItem { - - private container: HTMLElement | undefined; - private labelElement: HTMLElement | undefined; - private readonly updateHoverWidget: UpdateHoverWidget; - private readonly hoverAttachment = this._register(new MutableDisposable()); - - constructor( - action: IAction, - options: IBaseActionViewItemOptions | undefined, - @IUpdateService private readonly updateService: IUpdateService, - @IHoverService private readonly hoverService: IHoverService, - @IProductService private readonly productService: IProductService, - @IOpenerService private readonly openerService: IOpenerService, - @IDialogService private readonly dialogService: IDialogService, - @IHostService private readonly hostService: IHostService, - ) { - super(undefined, action, options); - this.updateHoverWidget = new UpdateHoverWidget(this.updateService, this.productService, this.hoverService); - this._register(this.updateService.onStateChange(() => this.renderState())); - } - - override render(container: HTMLElement): void { - super.render(container); - - this.container = container; - container.classList.add('sessions-update-titlebar-widget'); - container.setAttribute('role', 'button'); - - this.labelElement = append(container, $('span.sessions-update-titlebar-widget-label')); - this.hoverAttachment.value = this.updateHoverWidget.attachTo(container); - - this.renderState(); - } - - override onClick(): void { - const state = this.updateService.state; - if (shouldHideSessionsTitleBarUpdateWidget(state.type) || isBusySessionsTitleBarUpdateWidget(state.type)) { - return; - } - - void runSessionsUpdateAction( - state, - this.updateService, - this.openerService, - this.productService, - this.dialogService, - this.hostService, - ); - } - - private renderState(): void { - if (!this.container || !this.labelElement) { - return; - } - - const state = this.updateService.state; - const hidden = shouldHideSessionsTitleBarUpdateWidget(state.type); - const busy = isBusySessionsTitleBarUpdateWidget(state.type); - const primary = isPrimarySessionsTitleBarUpdateWidget(state.type); - - this.container.classList.toggle('hidden', hidden); - this.container.classList.toggle('disabled', busy); - this.container.classList.toggle('primary-state', primary); - this.container.classList.toggle('busy-state', busy); - - if (hidden) { - this.container.removeAttribute('aria-label'); - this.labelElement.textContent = ''; - return; - } - - this.container.setAttribute('aria-label', getSessionsTitleBarUpdateAriaLabel(state)); - this.labelElement.textContent = getSessionsTitleBarUpdateLabel(state); - } -} - // --- Register custom view item --- // // Actions registered at module level so Menus.TitleBarRightLayout is non-empty when the // toolbar is first constructed. The run() is a no-op — rendering is handled by the custom // view items registered in AccountWidgetContribution. -registerAction2(class extends Action2 { - constructor() { - super({ - id: SessionsTitleBarUpdateWidgetAction, - title: localize2('agentsUpdateTitleBar', "Agents Update"), - menu: { - id: Menus.TitleBarRightLayout, - group: 'navigation', - order: 99, - when: ContextKeyExpr.and(IsAuxiliaryWindowContext.toNegated(), SessionsWelcomeVisibleContext.toNegated()), - } - }); - } - - run(): void { } -}); - registerAction2(class extends Action2 { constructor() { super({ @@ -907,10 +712,6 @@ class AccountWidgetContribution extends Disposable implements IWorkbenchContribu ) { super(); - this._register(actionViewItemService.register(Menus.TitleBarRightLayout, SessionsTitleBarUpdateWidgetAction, (action, options) => { - return instantiationService.createInstance(TitleBarUpdateWidget, action, options); - }, undefined)); - this._register(actionViewItemService.register(Menus.TitleBarRightLayout, SessionsTitleBarAccountWidgetAction, (action, options) => { return instantiationService.createInstance(TitleBarAccountWidget, action, options); }, undefined)); diff --git a/src/vs/sessions/contrib/accountMenu/browser/media/accountTitleBarWidget.css b/src/vs/sessions/contrib/accountMenu/browser/media/accountTitleBarWidget.css index a288ee7a504700..1451d3f057a9db 100644 --- a/src/vs/sessions/contrib/accountMenu/browser/media/accountTitleBarWidget.css +++ b/src/vs/sessions/contrib/accountMenu/browser/media/accountTitleBarWidget.css @@ -69,64 +69,12 @@ display: none; } -/* Update widget in titlebar */ +/* Spacing between titlebar-right action items (account widget, update indicator, etc.) */ .monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .actions-container { gap: 5px; } -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget { - display: flex; - align-items: center; - height: 22px; - min-width: 0; - padding: 0 8px; - border-radius: var(--vscode-cornerRadius-medium); - background: transparent; - color: var(--vscode-foreground); - cursor: pointer; - -webkit-app-region: no-drag; - overflow: hidden; -} - -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget.hidden { - display: none; -} - -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget:hover, -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget:focus-within { - background: var(--vscode-toolbar-hoverBackground); -} - -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget:active, -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget.primary-state { - background: var(--vscode-button-background); - color: var(--vscode-button-foreground); -} - -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget.primary-state:hover, -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget.primary-state:focus-within, -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget.primary-state:active { - background: var(--vscode-button-hoverBackground); - color: var(--vscode-button-foreground); -} - -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget.busy-state { - cursor: default; - color: var(--vscode-descriptionForeground); -} - -.monaco-workbench .part.titlebar > .sessions-titlebar-container > .titlebar-right > .titlebar-right-layout-container .monaco-action-bar .action-item.sessions-update-titlebar-widget .sessions-update-titlebar-widget-label { - min-width: 0; - overflow: hidden; - text-overflow: ellipsis; - white-space: nowrap; - font-size: 12px; - font-weight: 500; - line-height: 16px; - color: inherit; -} - /* Badge on account icon */ .agent-sessions-workbench .sessions-account-titlebar-widget-badge { diff --git a/src/vs/sessions/contrib/accountMenu/browser/media/updateHoverWidget.css b/src/vs/sessions/contrib/accountMenu/browser/media/updateHoverWidget.css deleted file mode 100644 index 6291d8e2922509..00000000000000 --- a/src/vs/sessions/contrib/accountMenu/browser/media/updateHoverWidget.css +++ /dev/null @@ -1,65 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -.sessions-update-hover { - display: flex; - flex-direction: column; - gap: 8px; - min-width: 200px; - padding: 12px 16px; -} - -.sessions-update-hover-header { - font-weight: 600; - font-size: 13px; -} - -/* Progress bar track */ -.sessions-update-hover-progress-track { - height: 4px; - border-radius: 2px; - background-color: var(--vscode-editorWidget-border, rgba(128, 128, 128, 0.3)); - overflow: hidden; -} - -/* Progress bar fill */ -.sessions-update-hover-progress-fill { - height: 100%; - border-radius: 2px; - background-color: var(--vscode-progressBar-background, #0078d4); - transition: width 0.2s ease; -} - -/* Details grid */ -.sessions-update-hover-grid { - display: grid; - grid-template-columns: auto auto auto auto; - column-gap: 8px; - row-gap: 2px; - font-size: 12px; - align-items: baseline; -} - -.sessions-update-hover-label { - color: var(--vscode-descriptionForeground); -} - -/* Version number emphasis */ -.sessions-update-hover-version { - color: var(--vscode-textLink-foreground); -} - -/* Compact age label */ -.sessions-update-hover-age { - color: var(--vscode-descriptionForeground); - font-size: 11px; -} - -/* Commit hashes - subtle */ -.sessions-update-hover-commit { - color: var(--vscode-descriptionForeground); - font-family: var(--monaco-monospace-font); - font-size: 11px; -} diff --git a/src/vs/sessions/contrib/accountMenu/browser/updateHoverWidget.ts b/src/vs/sessions/contrib/accountMenu/browser/updateHoverWidget.ts deleted file mode 100644 index ebe155ca5c35c6..00000000000000 --- a/src/vs/sessions/contrib/accountMenu/browser/updateHoverWidget.ts +++ /dev/null @@ -1,188 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -import { HoverPosition } from '../../../../base/browser/ui/hover/hoverWidget.js'; -import { localize } from '../../../../nls.js'; -import { IHoverService } from '../../../../platform/hover/browser/hover.js'; -import { IProductService } from '../../../../platform/product/common/productService.js'; -import { Downloading, IUpdate, IUpdateService, State, StateType, Updating } from '../../../../platform/update/common/update.js'; -import './media/updateHoverWidget.css'; - -export class UpdateHoverWidget { - - constructor( - private readonly updateService: IUpdateService, - private readonly productService: IProductService, - private readonly hoverService: IHoverService, - private readonly stateProvider?: () => State, - ) { } - - attachTo(target: HTMLElement) { - return this.hoverService.setupDelayedHover( - target, - () => ({ - content: this.createHoverContent(), - position: { hoverPosition: HoverPosition.RIGHT }, - appearance: { showPointer: true } - }), - { groupId: 'sessions-account-update' } - ); - } - - createHoverContent(state: State = this.stateProvider?.() ?? this.updateService.state): HTMLElement { - const update = this.getUpdateFromState(state); - const currentVersion = this.productService.version ?? localize('unknownVersion', "Unknown"); - const targetVersion = update?.productVersion ?? update?.version ?? localize('unknownVersion', "Unknown"); - const currentCommit = this.productService.commit; - const targetCommit = update?.version; - const progressPercent = this.getUpdateProgressPercent(state); - - const container = document.createElement('div'); - container.classList.add('sessions-update-hover'); - - // Header: e.g. "Downloading VS Code Insiders" - const header = document.createElement('div'); - header.classList.add('sessions-update-hover-header'); - header.textContent = this.getUpdateHeaderLabel(state.type); - container.appendChild(header); - - // Progress bar - if (progressPercent !== undefined) { - const progressTrack = document.createElement('div'); - progressTrack.classList.add('sessions-update-hover-progress-track'); - const progressFill = document.createElement('div'); - progressFill.classList.add('sessions-update-hover-progress-fill'); - progressFill.style.width = `${progressPercent}%`; - progressTrack.appendChild(progressFill); - container.appendChild(progressTrack); - } - - // Version info grid - const detailsGrid = document.createElement('div'); - detailsGrid.classList.add('sessions-update-hover-grid'); - - const currentDate = this.productService.date ? new Date(this.productService.date) : undefined; - const currentAge = currentDate ? this.formatCompactAge(currentDate.getTime()) : undefined; - const newAge = update?.timestamp ? this.formatCompactAge(update.timestamp) : undefined; - - this.appendGridRow(detailsGrid, localize('updateHoverCurrentVersionLabel', "Current"), currentVersion, currentAge, currentCommit); - this.appendGridRow(detailsGrid, localize('updateHoverNewVersionLabel', "New"), targetVersion, newAge, targetCommit); - - container.appendChild(detailsGrid); - - return container; - } - - private appendGridRow(grid: HTMLElement, label: string, version: string, age?: string, commit?: string): void { - const labelEl = document.createElement('span'); - labelEl.classList.add('sessions-update-hover-label'); - labelEl.textContent = label; - grid.appendChild(labelEl); - - const versionEl = document.createElement('span'); - versionEl.classList.add('sessions-update-hover-version'); - versionEl.textContent = version; - grid.appendChild(versionEl); - - const ageEl = document.createElement('span'); - ageEl.classList.add('sessions-update-hover-age'); - ageEl.textContent = age ?? ''; - grid.appendChild(ageEl); - - const commitEl = document.createElement('span'); - commitEl.classList.add('sessions-update-hover-commit'); - commitEl.textContent = commit ? commit.substring(0, 7) : ''; - grid.appendChild(commitEl); - } - - private formatCompactAge(timestamp: number): string { - const seconds = Math.round((Date.now() - timestamp) / 1000); - if (seconds < 60) { - return localize('compactAgeNow', "now"); - } - const minutes = Math.round(seconds / 60); - if (minutes < 60) { - return localize('compactAgeMinutes', "{0}m ago", minutes); - } - const hours = Math.round(seconds / 3600); - if (hours < 24) { - return localize('compactAgeHours', "{0}h ago", hours); - } - const days = Math.round(seconds / 86400); - if (days < 7) { - return localize('compactAgeDays', "{0}d ago", days); - } - const weeks = Math.round(days / 7); - if (weeks < 5) { - return localize('compactAgeWeeks', "{0}w ago", weeks); - } - const months = Math.round(days / 30); - return localize('compactAgeMonths', "{0}mo ago", months); - } - - private getUpdateFromState(state: State): IUpdate | undefined { - switch (state.type) { - case StateType.AvailableForDownload: - case StateType.Downloaded: - case StateType.Ready: - case StateType.Overwriting: - case StateType.Updating: - return state.update; - case StateType.Downloading: - return state.update; - default: - return undefined; - } - } - - /** - * Returns progress as a percentage (0-100), or undefined if progress is not applicable. - */ - private getUpdateProgressPercent(state: State): number | undefined { - switch (state.type) { - case StateType.Downloading: { - const downloadingState = state as Downloading; - if (downloadingState.downloadedBytes !== undefined && downloadingState.totalBytes && downloadingState.totalBytes > 0) { - return Math.min(100, Math.round((downloadingState.downloadedBytes / downloadingState.totalBytes) * 100)); - } - return 0; - } - case StateType.Updating: { - const updatingState = state as Updating; - if (updatingState.currentProgress !== undefined && updatingState.maxProgress && updatingState.maxProgress > 0) { - return Math.min(100, Math.round((updatingState.currentProgress / updatingState.maxProgress) * 100)); - } - return 0; - } - case StateType.Downloaded: - case StateType.Ready: - return 100; - case StateType.AvailableForDownload: - case StateType.Overwriting: - return 0; - default: - return undefined; - } - } - - private getUpdateHeaderLabel(type: StateType): string { - const productName = this.productService.nameShort; - switch (type) { - case StateType.Ready: - return localize('updateReady', "{0} Update Ready", productName); - case StateType.AvailableForDownload: - return localize('downloadAvailable', "{0} Update Available", productName); - case StateType.Downloading: - case StateType.Overwriting: - return localize('downloadingUpdate', "Downloading {0}", productName); - case StateType.Downloaded: - return localize('installingUpdate', "Installing {0}", productName); - case StateType.Updating: - return localize('updatingApp', "Updating {0}", productName); - default: - return localize('updating', "Updating {0}", productName); - } - } -} diff --git a/src/vs/sessions/contrib/accountMenu/test/browser/updateHoverWidget.fixture.ts b/src/vs/sessions/contrib/accountMenu/test/browser/updateHoverWidget.fixture.ts deleted file mode 100644 index e18a4c0a89f6df..00000000000000 --- a/src/vs/sessions/contrib/accountMenu/test/browser/updateHoverWidget.fixture.ts +++ /dev/null @@ -1,83 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -import { Emitter } from '../../../../../base/common/event.js'; -import { mock } from '../../../../../base/test/common/mock.js'; -import { IHoverService } from '../../../../../platform/hover/browser/hover.js'; -import { IProductService } from '../../../../../platform/product/common/productService.js'; -import { IUpdateService, State } from '../../../../../platform/update/common/update.js'; -import { ComponentFixtureContext, createEditorServices, defineComponentFixture, defineThemedFixtureGroup } from '../../../../../workbench/test/browser/componentFixtures/fixtureUtils.js'; -import { UpdateHoverWidget } from '../../browser/updateHoverWidget.js'; - -const mockUpdate = { version: 'a1b2c3d4e5f6', productVersion: '1.100.0', timestamp: Date.now() - 2 * 60 * 60 * 1000 }; -const mockUpdateSameVersion = { version: 'a1b2c3d4e5f6', productVersion: '1.99.0', timestamp: Date.now() - 3 * 24 * 60 * 60 * 1000 }; - -function createMockUpdateService(state: State): IUpdateService { - const onStateChange = new Emitter(); - const service: IUpdateService = { - _serviceBrand: undefined, - state, - onStateChange: onStateChange.event, - checkForUpdates: async () => { }, - downloadUpdate: async () => { }, - applyUpdate: async () => { }, - quitAndInstall: async () => { }, - isLatestVersion: async () => true, - _applySpecificUpdate: async () => { }, - setInternalOrg: async () => { }, - }; - return service; -} - -function renderHoverWidget(ctx: ComponentFixtureContext, state: State): void { - ctx.container.style.backgroundColor = 'var(--vscode-editorHoverWidget-background)'; - - const instantiationService = createEditorServices(ctx.disposableStore, { - colorTheme: ctx.theme, - }); - - const updateService = createMockUpdateService(state); - const productService = new class extends mock() { - override readonly version = '1.99.0'; - override readonly nameShort = 'VS Code Insiders'; - override readonly commit = 'f0e1d2c3b4a5'; - override readonly date = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000).toISOString(); - }; - const hoverService = instantiationService.get(IHoverService); - const widget = new UpdateHoverWidget(updateService, productService, hoverService); - ctx.container.appendChild(widget.createHoverContent(state)); -} - -export default defineThemedFixtureGroup({ path: 'sessions/' }, { - UpdateHoverReady: defineComponentFixture({ - labels: { kind: 'screenshot' }, - render: ctx => renderHoverWidget(ctx, State.Ready(mockUpdate, true, false)), - }), - - UpdateHoverAvailableForDownload: defineComponentFixture({ - labels: { kind: 'screenshot' }, - render: ctx => renderHoverWidget(ctx, State.AvailableForDownload(mockUpdate)), - }), - - UpdateHoverDownloading30Percent: defineComponentFixture({ - labels: { kind: 'screenshot' }, - render: ctx => renderHoverWidget(ctx, State.Downloading(mockUpdate, true, false, 30_000_000, 100_000_000)), - }), - - UpdateHoverInstalling: defineComponentFixture({ - labels: { kind: 'screenshot' }, - render: ctx => renderHoverWidget(ctx, State.Downloaded(mockUpdate, true, false)), - }), - - UpdateHoverUpdating: defineComponentFixture({ - labels: { kind: 'screenshot' }, - render: ctx => renderHoverWidget(ctx, State.Updating(mockUpdate, true, 40, 100)), - }), - - UpdateHoverSameVersion: defineComponentFixture({ - labels: { kind: 'screenshot' }, - render: ctx => renderHoverWidget(ctx, State.Ready(mockUpdateSameVersion, true, false)), - }), -}); diff --git a/src/vs/workbench/contrib/update/browser/updateTitleBarEntry.ts b/src/vs/workbench/contrib/update/browser/updateTitleBarEntry.ts index 0741261f71db5c..0b59679281c020 100644 --- a/src/vs/workbench/contrib/update/browser/updateTitleBarEntry.ts +++ b/src/vs/workbench/contrib/update/browser/updateTitleBarEntry.ts @@ -12,7 +12,7 @@ import { Disposable, MutableDisposable, toDisposable } from '../../../../base/co import { isWeb } from '../../../../base/common/platform.js'; import { localize } from '../../../../nls.js'; import { IActionViewItemService } from '../../../../platform/actions/browser/actionViewItemService.js'; -import { Action2, MenuId, registerAction2 } from '../../../../platform/actions/common/actions.js'; +import { Action2, IMenuItem, MenuId, MenuRegistry, registerAction2 } from '../../../../platform/actions/common/actions.js'; import { ICommandService } from '../../../../platform/commands/common/commands.js'; import { ContextKeyExpr, IContextKey, IContextKeyService, RawContextKey } from '../../../../platform/contextkey/common/contextkey.js'; import { IHoverService } from '../../../../platform/hover/browser/hover.js'; @@ -41,6 +41,19 @@ const UPDATE_TITLE_BAR_SETTING = 'update.titleBar'; const ACTIONABLE_STATES: readonly StateType[] = [StateType.AvailableForDownload, StateType.Downloaded, StateType.Ready]; const DETAILED_STATES: readonly StateType[] = [...ACTIONABLE_STATES, StateType.CheckingForUpdates, StateType.Downloading, StateType.Updating, StateType.Overwriting]; +/** + * Optional secondary placement for the update indicator (e.g. used by the Agents + * app). Limited to one because the contribution tracks a single rendered entry. + */ +let additionalMenuPlacement: { readonly menuId: MenuId; readonly item: Omit } | undefined; + +export function registerUpdateTitleBarMenuPlacement(menuId: MenuId, item: Omit = {}): void { + if (additionalMenuPlacement) { + throw new Error('An additional update title bar menu placement is already registered'); + } + additionalMenuPlacement = { menuId, item }; +} + registerAction2(class UpdateIndicatorTitleBarAction extends Action2 { constructor() { super({ @@ -103,23 +116,42 @@ export class UpdateTitleBarContribution extends Disposable implements IWorkbench this._register(actionViewItemService.register( MenuId.TitleBarAdjacentCenter, UPDATE_TITLE_BAR_ACTION_ID, - (action, options) => { - this.entry = instantiationService.createInstance(UpdateTitleBarEntry, action, options, this.tooltip, () => { - this.tooltipVisible = false; - if (!ACTIONABLE_STATES.includes(this.state.type) && !DETAILED_STATES.includes(this.state.type)) { - this.context.set(false); - } - }); - if (this.tooltipVisible) { - this.entry.showTooltip(); - } - return this.entry; - } + (action, options) => this.createEntry(instantiationService, action, options) )); + if (additionalMenuPlacement) { + const { menuId, item } = additionalMenuPlacement; + MenuRegistry.appendMenuItem(menuId, { + ...item, + command: { + id: UPDATE_TITLE_BAR_ACTION_ID, + title: localize('updateIndicatorTitleBarAction', 'Update'), + }, + when: item.when ? ContextKeyExpr.and(UPDATE_TITLE_BAR_CONTEXT, item.when) : UPDATE_TITLE_BAR_CONTEXT, + }); + this._register(actionViewItemService.register( + menuId, + UPDATE_TITLE_BAR_ACTION_ID, + (action, options) => this.createEntry(instantiationService, action, options) + )); + } + void this.onStateChange(true); } + private createEntry(instantiationService: IInstantiationService, action: IAction, options: IBaseActionViewItemOptions): UpdateTitleBarEntry { + this.entry = instantiationService.createInstance(UpdateTitleBarEntry, action, options, this.tooltip, () => { + this.tooltipVisible = false; + if (!ACTIONABLE_STATES.includes(this.state.type) && !DETAILED_STATES.includes(this.state.type)) { + this.context.set(false); + } + }); + if (this.tooltipVisible) { + this.entry.showTooltip(); + } + return this.entry; + } + private async onStateChange(startup = false) { this.pendingShow.clear(); From 3584ec0f56f7f1ba2def509872ed0ed792d78cbd Mon Sep 17 00:00:00 2001 From: Sandeep Somavarapu Date: Tue, 5 May 2026 12:32:30 +0200 Subject: [PATCH 09/11] enable shared settings --- src/vs/platform/userDataProfile/common/userDataProfile.ts | 1 + 1 file changed, 1 insertion(+) diff --git a/src/vs/platform/userDataProfile/common/userDataProfile.ts b/src/vs/platform/userDataProfile/common/userDataProfile.ts index e7c24ed6abde96..dacd956eb8a098 100644 --- a/src/vs/platform/userDataProfile/common/userDataProfile.ts +++ b/src/vs/platform/userDataProfile/common/userDataProfile.ts @@ -24,6 +24,7 @@ import { isString, Mutable } from '../../../base/common/types.js'; export const AGENTS_WINDOW_PROFILE_ID = 'agents'; const AGENTS_WINDOW_PROFILE_OPTIONS: IUserDataProfileOptions = { useDefaultFlags: { + settings: true, keybindings: true, prompts: true, mcp: true, From 881fa943e7b4ee8c8f719f3530d52cfcc1ab2056 Mon Sep 17 00:00:00 2001 From: Alexandru Dima Date: Tue, 5 May 2026 12:38:51 +0200 Subject: [PATCH 10/11] =?UTF-8?q?Revert=20"agentHost/claude:=20Phase=206?= =?UTF-8?q?=20=E2=80=94=20sendMessage,=20single-turn,=20no=20tools=20(#314?= =?UTF-8?q?216)"?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This reverts commit dea0d3c24a0a73c6d7f6ff9d1191d37099f5180a. --- eslint.config.js | 3 +- package-lock.json | 439 +--- package.json | 1 - remote/package-lock.json | 1465 +------------ remote/package.json | 1 - .../common/claudeSessionConfigKeys.ts | 30 - .../platform/agentHost/node/agentHostMain.ts | 3 - .../agentHost/node/agentHostServerMain.ts | 3 - .../agentHost/node/claude/claudeAgent.ts | 650 +----- .../node/claude/claudeAgentSdkService.ts | 124 -- .../node/claude/claudeAgentSession.ts | 268 --- .../node/claude/claudeMapSessionEvents.ts | 217 -- .../node/claude/claudePromptResolver.ts | 74 - .../agentHost/node/claude/phase4-plan.md | 12 +- .../agentHost/node/claude/phase5-plan.md | 560 ----- .../agentHost/node/claude/phase6-plan.md | 944 -------- .../platform/agentHost/node/claude/roadmap.md | 6 +- .../platform/agentHost/node/claude/smoke.md | 127 +- .../test/node/claudeAgent.integrationTest.ts | 594 ----- .../agentHost/test/node/claudeAgent.test.ts | 1935 +---------------- 20 files changed, 174 insertions(+), 7282 deletions(-) delete mode 100644 src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts delete mode 100644 src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts delete mode 100644 src/vs/platform/agentHost/node/claude/claudeAgentSession.ts delete mode 100644 src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts delete mode 100644 src/vs/platform/agentHost/node/claude/claudePromptResolver.ts delete mode 100644 src/vs/platform/agentHost/node/claude/phase5-plan.md delete mode 100644 src/vs/platform/agentHost/node/claude/phase6-plan.md delete mode 100644 src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts diff --git a/eslint.config.js b/eslint.config.js index dad155b9939997..7ff8a911059afb 100644 --- a/eslint.config.js +++ b/eslint.config.js @@ -1632,8 +1632,7 @@ export default tseslint.config( '@xterm/headless', // node module allowed even in /common/ '@vscode/tree-sitter-wasm', // used by agentHost for command auto-approval '@vscode/copilot-api', // used by agentHost for Copilot API requests - '@anthropic-ai/sdk', // used by agentHost for Anthropic API requests - '@anthropic-ai/claude-agent-sdk' // used by agentHost for Claude Agent SDK session enumeration / queries + '@anthropic-ai/sdk' // used by agentHost for Anthropic API requests ] }, { diff --git a/package-lock.json b/package-lock.json index d3047822128dcf..0617a85f4f0072 100644 --- a/package-lock.json +++ b/package-lock.json @@ -10,7 +10,6 @@ "hasInstallScript": true, "license": "MIT", "dependencies": { - "@anthropic-ai/claude-agent-sdk": "0.2.112", "@anthropic-ai/sdk": "^0.82.0", "@github/copilot": "1.0.39", "@github/copilot-sdk": "^0.3.0", @@ -191,53 +190,6 @@ "node": ">=6.0.0" } }, - "node_modules/@anthropic-ai/claude-agent-sdk": { - "version": "0.2.112", - "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.2.112.tgz", - "integrity": "sha512-vMFoiDKlOive8p3tphpV1gQaaytOipwGJ+uw9mvvaLQUODSC2+fCdRDAY25i2Tsv+lOtxzXBKctmaDuWqZY7ig==", - "license": "SEE LICENSE IN README.md", - "dependencies": { - "@anthropic-ai/sdk": "^0.81.0", - "@modelcontextprotocol/sdk": "^1.29.0" - }, - "engines": { - "node": ">=18.0.0" - }, - "optionalDependencies": { - "@img/sharp-darwin-arm64": "^0.34.2", - "@img/sharp-darwin-x64": "^0.34.2", - "@img/sharp-linux-arm": "^0.34.2", - "@img/sharp-linux-arm64": "^0.34.2", - "@img/sharp-linux-x64": "^0.34.2", - "@img/sharp-linuxmusl-arm64": "^0.34.2", - "@img/sharp-linuxmusl-x64": "^0.34.2", - "@img/sharp-win32-arm64": "^0.34.2", - "@img/sharp-win32-x64": "^0.34.2" - }, - "peerDependencies": { - "zod": "^4.0.0" - } - }, - "node_modules/@anthropic-ai/claude-agent-sdk/node_modules/@anthropic-ai/sdk": { - "version": "0.81.0", - "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.81.0.tgz", - "integrity": "sha512-D4K5PvEV6wPiRtVlVsJHIUhHAmOZ6IT/I9rKlTf84gR7GyyAurPJK7z9BOf/AZqC5d1DhYQGJNKRmV+q8dGhgw==", - "license": "MIT", - "dependencies": { - "json-schema-to-ts": "^3.1.1" - }, - "bin": { - "anthropic-ai-sdk": "bin/cli" - }, - "peerDependencies": { - "zod": "^3.25.0 || ^4.0.0" - }, - "peerDependenciesMeta": { - "zod": { - "optional": true - } - } - }, "node_modules/@anthropic-ai/sdk": { "version": "0.82.0", "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.82.0.tgz", @@ -1310,6 +1262,7 @@ "version": "1.19.14", "resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-1.19.14.tgz", "integrity": "sha512-GwtvgtXxnWsucXvbQXkRgqksiH2Qed37H9xHZocE5sA3N8O8O8/8FA3uclQXxXVzc9XBZuEOMK7+r02FmSpHtw==", + "dev": true, "license": "MIT", "engines": { "node": ">=18.14.1" @@ -1369,310 +1322,6 @@ "url": "https://github.com/sponsors/nzakas" } }, - "node_modules/@img/sharp-darwin-arm64": { - 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"engines": { "node": ">=8" } @@ -15321,6 +15018,7 @@ "version": "8.4.0", "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.4.0.tgz", "integrity": "sha512-PuseHIvAnz3bjrM2rGJtSgo1zjgxapTLZ7x2pjhzWwlp4SJQgK3f3iZIQwkpEnBaKz6seKBADpM4B4ySkuYypg==", + "dev": true, "license": "MIT", "funding": { "type": "opencollective", @@ -15422,6 +15120,7 @@ "version": "5.0.1", "resolved": "https://registry.npmjs.org/pkce-challenge/-/pkce-challenge-5.0.1.tgz", "integrity": "sha512-wQ0b/W4Fr01qtpHlqSqspcj3EhBvimsdh0KlHhH8HRZnMsEa0ea2fTULOXOS9ccQr3om+GcGRk4e+isrZWV8qQ==", + "dev": true, "license": "MIT", "engines": { "node": ">=16.20.0" @@ -15675,6 +15374,7 @@ "version": "2.0.7", "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz", "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==", + "dev": true, "license": "MIT", "dependencies": { "forwarded": "0.2.0", @@ -15773,6 +15473,7 @@ "version": "6.15.1", "resolved": "https://registry.npmjs.org/qs/-/qs-6.15.1.tgz", "integrity": "sha512-6YHEFRL9mfgcAvql/XhwTvf5jKcOiiupt2FiJxHkiX1z4j7WL8J/jRHYLluORvc1XxB5rV20KoeK00gVJamspg==", + "dev": true, "license": "BSD-3-Clause", "dependencies": { "side-channel": "^1.1.0" @@ -15824,6 +15525,7 @@ "version": "1.2.1", "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz", "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==", + "dev": true, "license": "MIT", "engines": { "node": ">= 0.6" @@ -15833,6 +15535,7 @@ "version": "3.0.2", "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-3.0.2.tgz", "integrity": "sha512-K5zQjDllxWkf7Z5xJdV0/B0WTNqx6vxG70zJE4N0kBs4LovmEYWJzQGxC9bS9RAKu3bgM40lrd5zoLJ12MQ5BA==", + "dev": true, "license": "MIT", "dependencies": { "bytes": "~3.1.2", @@ -16279,6 +15982,7 @@ "version": "2.0.2", "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz", "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==", + "dev": true, "license": "MIT", "engines": { "node": ">=0.10.0" @@ -16528,6 +16232,7 @@ "version": "2.2.0", "resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz", "integrity": "sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ==", + "dev": true, "license": "MIT", "dependencies": { "debug": "^4.4.0", @@ -16544,6 +16249,7 @@ "version": "4.0.0", "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-4.0.0.tgz", "integrity": "sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==", + "dev": true, "license": "MIT" }, "node_modules/run-applescript": { @@ -16722,6 +16428,7 @@ "version": "1.2.1", "resolved": "https://registry.npmjs.org/send/-/send-1.2.1.tgz", "integrity": "sha512-1gnZf7DFcoIcajTjTwjwuDjzuz4PPcY2StKPlsGAQ1+YH20IRVrBaXSWmdjowTJ6u8Rc01PoYOGHXfP1mYcZNQ==", + "dev": true, "license": "MIT", "dependencies": { "debug": "^4.4.3", @@ -16748,6 +16455,7 @@ "version": "2.0.0", "resolved": "https://registry.npmjs.org/fresh/-/fresh-2.0.0.tgz", "integrity": "sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A==", + "dev": true, "license": "MIT", "engines": { "node": ">= 0.8" @@ -16757,6 +16465,7 @@ "version": "1.54.0", "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz", "integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==", + "dev": true, "license": "MIT", "engines": { "node": ">= 0.6" @@ -16766,6 +16475,7 @@ "version": "3.0.2", "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.2.tgz", "integrity": "sha512-Lbgzdk0h4juoQ9fCKXW4by0UJqj+nOOrI9MJ1sSj4nI8aI2eo1qmvQEie4VD1glsS250n15LsWsYtCugiStS5A==", + "dev": true, "license": "MIT", "dependencies": { "mime-db": "^1.54.0" @@ -16821,6 +16531,7 @@ "version": "2.2.1", "resolved": 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"https://github.com/sponsors/ljharb" - } - }, "node_modules/simple-concat": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.1.tgz", @@ -2935,15 +1578,6 @@ "nan": "^2.23.0" } }, - "node_modules/statuses": { - "version": "2.0.2", - "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz", - "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==", - "license": "MIT", - "engines": { - "node": ">= 0.8" - } - }, "node_modules/string_decoder": { "version": "1.3.0", "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz", @@ -3036,21 +1670,6 @@ "integrity": "sha512-pkY1fj1cKHb2seWDy0B16HeWyczlJA9/WW3u3c4z/NiWDsO3DOU5D7nhTLE9CF0yXv/QZFY7sEJmj24dK+Rrqw==", "license": "MIT" }, - "node_modules/toidentifier": { - "version": "1.0.1", - "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz", - "integrity": 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"content-type": "^1.0.5", - "media-typer": "^1.1.0", - "mime-types": "^3.0.0" - }, - "engines": { - "node": ">= 0.6" - } - }, "node_modules/undici": { "version": "7.24.4", "resolved": "https://registry.npmjs.org/undici/-/undici-7.24.4.tgz", @@ -3099,15 +1704,6 @@ "node": ">= 10.0.0" } }, - "node_modules/unpipe": { - "version": "1.0.0", - "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", - "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==", - "license": "MIT", - "engines": { - "node": ">= 0.8" - } - }, "node_modules/util-deprecate": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", @@ -3125,15 +1721,6 @@ "uuid": "dist/bin/uuid" } }, - "node_modules/vary": { - "version": "1.1.2", - "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", - "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==", - "license": "MIT", - "engines": { - "node": ">= 0.8" - } - }, "node_modules/vscode-jsonrpc": { "version": "8.2.1", "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.2.1.tgz", @@ -3165,21 +1752,6 @@ "integrity": "sha512-n2uGbUcrjhUEBH16uGA0TvUfhWwliFZ1e3+pTjrkim1Mt7ydB41lV08aUvsi70OlzDWp6X7Bx3w/x3fAXIsN0Q==", "license": "MIT" }, - "node_modules/which": { - "version": "2.0.2", - "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz", - "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==", - "license": "ISC", - "dependencies": { - "isexe": "^2.0.0" - }, - "bin": { - "node-which": "bin/node-which" - }, - "engines": { - "node": ">= 8" - } - }, "node_modules/wrappy": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", @@ -3239,15 +1811,6 @@ "funding": { "url": "https://github.com/sponsors/colinhacks" } - }, - "node_modules/zod-to-json-schema": { - "version": "3.25.2", - "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.2.tgz", - "integrity": "sha512-O/PgfnpT1xKSDeQYSCfRI5Gy3hPf91mKVDuYLUHZJMiDFptvP41MSnWofm8dnCm0256ZNfZIM7DSzuSMAFnjHA==", - "license": "ISC", - "peerDependencies": { - "zod": "^3.25.28 || ^4" - } } } } diff --git a/remote/package.json b/remote/package.json index 9d46323882aa11..1544b4c94ebd1b 100644 --- a/remote/package.json +++ b/remote/package.json @@ -3,7 +3,6 @@ "version": "0.0.0", "private": true, "dependencies": { - "@anthropic-ai/claude-agent-sdk": "0.2.112", "@github/copilot": "1.0.39", "@github/copilot-sdk": "^0.3.0", "@microsoft/1ds-core-js": "^3.2.13", diff --git a/src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts b/src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts deleted file mode 100644 index 9319fe6a96f9e6..00000000000000 --- a/src/vs/platform/agentHost/common/claudeSessionConfigKeys.ts +++ /dev/null @@ -1,30 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -/** - * Well-known session-config keys advertised by the agent-host Claude - * provider in its `resolveSessionConfig` schema. - * - * Claude collapses the platform's two-axis approval model - * (`autoApprove` × `mode`) onto a single `permissionMode` axis matching - * the Claude SDK's native `PermissionMode` (see - * `@anthropic-ai/claude-agent-sdk` typings). The four values mirror - * the SDK's enum exactly so that the value flowing back into - * `query({ permissionMode })` requires no translation layer. - * - * The platform `Permissions` key (allow/deny tool lists) is reused - * unchanged from `platformSessionSchema` because the Claude SDK accepts - * `allowedTools` / `disallowedTools` natively. - */ -export const enum ClaudeSessionConfigKey { - /** `'permissionMode'` — Claude SDK approval mode. */ - PermissionMode = 'permissionMode', -} - -/** - * Permission-mode values advertised in the Claude session-config schema. - * Mirror of the SDK's `PermissionMode` union for protocol-stable strings. - */ -export type ClaudePermissionMode = 'default' | 'acceptEdits' | 'bypassPermissions' | 'plan'; diff --git a/src/vs/platform/agentHost/node/agentHostMain.ts b/src/vs/platform/agentHost/node/agentHostMain.ts index 1e19f497faba05..972996e689e8ff 100644 --- a/src/vs/platform/agentHost/node/agentHostMain.ts +++ b/src/vs/platform/agentHost/node/agentHostMain.ts @@ -22,7 +22,6 @@ import { IAgentHostTerminalManager } from './agentHostTerminalManager.js'; import { CopilotAgent } from './copilot/copilotAgent.js'; import { CopilotApiService, ICopilotApiService } from './shared/copilotApiService.js'; import { ClaudeAgent } from './claude/claudeAgent.js'; -import { ClaudeAgentSdkService, IClaudeAgentSdkService } from './claude/claudeAgentSdkService.js'; import { ClaudeProxyService, IClaudeProxyService } from './claude/claudeProxyService.js'; import { ProtocolServerHandler } from './protocolServerHandler.js'; import { WebSocketProtocolServer } from './webSocketTransport.js'; @@ -115,8 +114,6 @@ function startAgentHost(): void { diServices.set(ICopilotApiService, copilotApiService); const claudeProxyService = disposables.add(instantiationService.createInstance(ClaudeProxyService)); diServices.set(IClaudeProxyService, claudeProxyService); - const claudeAgentSdkService = instantiationService.createInstance(ClaudeAgentSdkService); - diServices.set(IClaudeAgentSdkService, claudeAgentSdkService); agentService = new AgentService(logService, fileService, sessionDataService, productService, gitService, rootConfigResource); const pluginManager = new AgentPluginManager(URI.file(environmentService.userDataPath), fileService, logService); diServices.set(IAgentPluginManager, pluginManager); diff --git a/src/vs/platform/agentHost/node/agentHostServerMain.ts b/src/vs/platform/agentHost/node/agentHostServerMain.ts index 2866903b19f84c..a04f7da1159670 100644 --- a/src/vs/platform/agentHost/node/agentHostServerMain.ts +++ b/src/vs/platform/agentHost/node/agentHostServerMain.ts @@ -34,7 +34,6 @@ import { ServiceCollection } from '../../instantiation/common/serviceCollection. import { CopilotAgent } from './copilot/copilotAgent.js'; import { CopilotApiService, ICopilotApiService } from './shared/copilotApiService.js'; import { ClaudeAgent } from './claude/claudeAgent.js'; -import { ClaudeAgentSdkService, IClaudeAgentSdkService } from './claude/claudeAgentSdkService.js'; import { ClaudeProxyService, IClaudeProxyService } from './claude/claudeProxyService.js'; import { AgentService } from './agentService.js'; import { AgentHostEnableClaudeEnvVar } from '../common/agentService.js'; @@ -207,8 +206,6 @@ async function main(): Promise { diServices.set(ICopilotApiService, copilotApiService); const claudeProxyService = disposables.add(instantiationService.createInstance(ClaudeProxyService)); diServices.set(IClaudeProxyService, claudeProxyService); - const claudeAgentSdkService = instantiationService.createInstance(ClaudeAgentSdkService); - diServices.set(IClaudeAgentSdkService, claudeAgentSdkService); const copilotAgent = disposables.add(instantiationService.createInstance(CopilotAgent)); agentService.registerProvider(copilotAgent); log('CopilotAgent registered'); diff --git a/src/vs/platform/agentHost/node/claude/claudeAgent.ts b/src/vs/platform/agentHost/node/claude/claudeAgent.ts index e60dbc6b656dcb..74f2c35bc67248 100644 --- a/src/vs/platform/agentHost/node/claude/claudeAgent.ts +++ b/src/vs/platform/agentHost/node/claude/claudeAgent.ts @@ -4,34 +4,19 @@ *--------------------------------------------------------------------------------------------*/ import type { CCAModel } from '@vscode/copilot-api'; -import type { Options, SDKSessionInfo, SDKUserMessage } from '@anthropic-ai/claude-agent-sdk'; -import { rgPath } from '@vscode/ripgrep'; -import { SequencerByKey } from '../../../../base/common/async.js'; -import { CancellationError } from '../../../../base/common/errors.js'; import { Emitter } from '../../../../base/common/event.js'; -import { Disposable, DisposableMap } from '../../../../base/common/lifecycle.js'; +import { Disposable } from '../../../../base/common/lifecycle.js'; import { IObservable, observableValue } from '../../../../base/common/observable.js'; -import { delimiter, dirname } from '../../../../base/common/path.js'; import { URI } from '../../../../base/common/uri.js'; -import { generateUuid } from '../../../../base/common/uuid.js'; import { localize } from '../../../../nls.js'; import { ILogService } from '../../../log/common/log.js'; import { ISyncedCustomization } from '../../common/agentPluginManager.js'; -import { createSchema, platformSessionSchema, schemaProperty } from '../../common/agentHostSchema.js'; -import { ClaudePermissionMode, ClaudeSessionConfigKey } from '../../common/claudeSessionConfigKeys.js'; -import { SessionConfigKey } from '../../common/sessionConfigKeys.js'; -import { AgentProvider, AgentSession, AgentSignal, GITHUB_COPILOT_PROTECTED_RESOURCE, IAgent, IAgentAttachment, IAgentCreateSessionConfig, IAgentCreateSessionResult, IAgentDescriptor, IAgentMaterializeSessionEvent, IAgentModelInfo, IAgentResolveSessionConfigParams, IAgentSessionConfigCompletionsParams, IAgentSessionMetadata, IAgentSessionProjectInfo } from '../../common/agentService.js'; -import { ISessionDataService } from '../../common/sessionDataService.js'; +import { AgentProvider, AgentSignal, GITHUB_COPILOT_PROTECTED_RESOURCE, IAgent, IAgentAttachment, IAgentCreateSessionConfig, IAgentCreateSessionResult, IAgentDescriptor, IAgentModelInfo, IAgentResolveSessionConfigParams, IAgentSessionConfigCompletionsParams, IAgentSessionMetadata } from '../../common/agentService.js'; import type { ResolveSessionConfigResult, SessionConfigCompletionsResult } from '../../common/state/protocol/commands.js'; import { ProtectedResourceMetadata, type ModelSelection, type ToolDefinition } from '../../common/state/protocol/state.js'; import { CustomizationRef, SessionInputResponseKind, type SessionInputAnswer, type ToolCallResult, type Turn } from '../../common/state/sessionState.js'; -import { IAgentHostGitService } from '../agentHostGitService.js'; -import { projectFromCopilotContext } from '../copilot/copilotGitProject.js'; import { ICopilotApiService } from '../shared/copilotApiService.js'; -import { IClaudeAgentSdkService } from './claudeAgentSdkService.js'; -import { ClaudeAgentSession } from './claudeAgentSession.js'; import { tryParseClaudeModelId } from './claudeModelId.js'; -import { resolvePromptToContentBlocks } from './claudePromptResolver.js'; import { IClaudeProxyHandle, IClaudeProxyService } from './claudeProxyService.js'; /** @@ -70,34 +55,6 @@ function toAgentModelInfo(m: CCAModel, provider: AgentProvider): IAgentModelInfo }; } -/** - * Phase 6: in-memory record for a provisional Claude session — one - * created via {@link ClaudeAgent.createSession} that has NOT yet seen - * its first {@link ClaudeAgent.sendMessage}. - * - * Holds: - * - `sessionId` / `sessionUri`: stable identifiers minted at create time. - * - `workingDirectory`: undefined when the caller didn't supply one - * (e.g. legacy `createSession({})` paths). Materialize fails fast if - * it's still missing then; until then a missing `cwd` is harmless - * because no SDK / DB / worktree work has happened. - * - `abortController`: single source of cancellation. Wired into - * {@link Options.abortController} at materialize and aborted by - * {@link ClaudeAgent.shutdown} / {@link ClaudeAgent.disposeSession} - * for provisional records; the materialize path defends against an - * abort racing `await sdk.startup()` (Q8 belt-and-suspenders). - * - `project`: the resolved {@link IAgentSessionProjectInfo} (if any), - * computed once at create time so duplicate `createSession` calls - * for the same URI return identical project metadata. - */ -interface IClaudeProvisionalSession { - readonly sessionId: string; - readonly sessionUri: URI; - readonly workingDirectory: URI | undefined; - readonly abortController: AbortController; - readonly project: IAgentSessionProjectInfo | undefined; -} - /** * Phase 4 skeleton {@link IAgent} provider for the Claude Agent SDK. * @@ -130,93 +87,10 @@ export class ClaudeAgent extends Disposable implements IAgent { private _githubToken: string | undefined; private _proxyHandle: IClaudeProxyHandle | undefined; - /** - * Memoized teardown promise. Set on the first call to {@link shutdown}, - * returned by every subsequent call. Mirrors `CopilotAgent.shutdown` - * at copilotAgent.ts:1246. Phase 5 has no async work so the race - * is benign, but the contract is locked now so Phase 6's real - * async teardown (Query.interrupt(), in-flight metadata writes) - * cannot regress. - */ - private _shutdownPromise: Promise | undefined; - - /** - * Live in-memory session wrappers, keyed by raw session id (not URI). - * Disposing the map disposes every wrapper still in it, so no - * additional teardown is needed in {@link dispose}. {@link createSession} - * is the only writer; {@link disposeSession} and {@link shutdown} - * remove via {@link DisposableMap.deleteAndDispose}, which is idempotent - * if the key has already been removed — the contract that prevents - * double-dispose when the two methods race. - */ - private readonly _sessions = this._register(new DisposableMap()); - - /** - * Phase 6: pending in-memory session records. A `createSession` - * (non-fork) entry lives here until the first {@link sendMessage} - * promotes it to a real {@link ClaudeAgentSession} via - * {@link _materializeProvisional}. Each entry owns an - * {@link AbortController} that is wired into {@link Options.abortController} - * at materialize time, so {@link shutdown} can abort any in-flight - * `await sdk.startup()` cleanly. - * - * Plan section 3.3: provisional state is in-memory only — NO DB write, NO - * SDK contact — until materialize. - */ - private readonly _provisionalSessions = new Map(); - - /** - * Phase 6: fired once per session when {@link _materializeProvisional} - * promotes a provisional record into a real {@link ClaudeAgentSession}. - * The {@link IAgentService} subscribes via the platform contract - * (`agentService.ts:412`) to dispatch the deferred `sessionAdded` - * notification — observers don't see the session in their list until - * persistence has settled. - */ - private readonly _onDidMaterializeSession = this._register(new Emitter()); - readonly onDidMaterializeSession = this._onDidMaterializeSession.event; - - /** - * Per-session-id serializer shared by {@link disposeSession} and - * {@link shutdown}. Phase 5 dispose work is synchronous, so the queued - * tasks resolve immediately and the sequencer is mostly a no-op. The - * routing is locked in now (per plan section 3.3.4 / section 3.3.6) so - * Phase 6's real async teardown (`Query.interrupt()`, in-flight metadata - * writes) inherits per-session serialization for free — a concurrent - * `disposeSession(uri)` already in flight is awaited before - * `shutdown()` reuses the same key. - */ - private readonly _disposeSequencer = new SequencerByKey(); - - /** - * Phase 6: per-session-id serializer for {@link sendMessage}. Held - * across both {@link _materializeProvisional} AND `entry.send()` so - * two concurrent first-message calls on the same session collapse - * into one materialize plus two ordered sends. Separate from - * {@link _disposeSequencer} so a `disposeSession` racing a first send - * still serializes against in-flight teardown without deadlocking - * inside the send sequencer (different key spaces, single - * race-resolution lattice via the underlying `AbortController`). - */ - private readonly _sessionSequencer = new SequencerByKey(); - - /** - * Per-session DB metadata key for the user-picked customization - * directory. Anchors agent customization (instructions, tools, prompts) - * to the user's original folder pick even after Phase 6+ worktree - * materialization moves the working directory. Phase 5 only reads - * this overlay in {@link listSessions}; Phase 6's `sendMessage` - * writes it on first turn and fork's `vacuumInto` carries it forward. - */ - private static readonly _META_CUSTOMIZATION_DIRECTORY = 'claude.customizationDirectory'; - constructor( @ILogService private readonly _logService: ILogService, @ICopilotApiService private readonly _copilotApiService: ICopilotApiService, @IClaudeProxyService private readonly _claudeProxyService: IClaudeProxyService, - @ISessionDataService private readonly _sessionDataService: ISessionDataService, - @IClaudeAgentSdkService private readonly _sdkService: IClaudeAgentSdkService, - @IAgentHostGitService private readonly _gitService: IAgentHostGitService, ) { super(); } @@ -294,296 +168,12 @@ export class ClaudeAgent extends Disposable implements IAgent { // #region Stubs — implemented in later phases - async createSession(config: IAgentCreateSessionConfig = {}): Promise { - if (config.fork) { - // Fork moved to Phase 6.5: requires translating - // `config.fork.turnId` (a protocol turn ID) to an SDK message UUID - // via `sdk.getSessionMessages`. Phase 6's exit criteria explicitly - // scope fork out so the rest of sendMessage can land first. - throw new Error('TODO: Phase 6.5: fork requires message-UUID lookup via sdk.getSessionMessages'); - } - // Non-fork path: provisional. NO subprocess fork, NO worktree, NO DB - // write. Materialization happens lazily in `_materializeProvisional` - // on the first `sendMessage`; AgentService defers `sessionAdded` - // until then. - const sessionId = config.session ? AgentSession.id(config.session) : generateUuid(); - const sessionUri = AgentSession.uri(this.id, sessionId); - - // Idempotency: a duplicate `createSession` for the same URI (already - // materialized OR already provisional) returns the same URI without - // overwriting the existing record. This protects against a workbench - // retry collapsing a real session back into a provisional one. - const existingProvisional = this._provisionalSessions.get(sessionId); - if (existingProvisional) { - return { - session: existingProvisional.sessionUri, - workingDirectory: existingProvisional.workingDirectory, - provisional: true, - ...(existingProvisional.project ? { project: existingProvisional.project } : {}), - }; - } - if (this._sessions.has(sessionId)) { - return { session: sessionUri, workingDirectory: config.workingDirectory }; - } - - // Resolve git project metadata when we have a cwd. Skipped when - // `workingDirectory` is undefined — materialize will require it, - // but a tests-only path (`createSession({})`) without a cwd is - // allowed at Phase 5/6 boundaries; failing fast here would force - // every legacy test to thread a cwd through. - // - // **Deviation from plan section 3.3 (deviation D1, ratified by review).** - // The plan called for `if (!config.workingDirectory) { throw ... }` - // at create time. We accept cwd-less calls and defer the throw to - // `_materializeProvisional` instead. Trade-off: a programmer error - // (forgetting to thread cwd) surfaces at first `sendMessage` - // rather than `createSession`. This is acceptable because: - // (a) the agent host's own callers always supply cwd via folder - // pick (`agentSideEffects.ts`) — the cwd-less path only exists - // for unit tests asserting protocol-only behavior; and - // (b) materialize requires cwd anyway, so the failure mode is - // bounded and visible (no silent invalid sessions). - const project = config.workingDirectory - ? await projectFromCopilotContext({ cwd: config.workingDirectory.fsPath }, this._gitService) - : undefined; - - this._provisionalSessions.set(sessionId, { - sessionId, - sessionUri, - workingDirectory: config.workingDirectory, - abortController: new AbortController(), - project, - }); - - return { - session: sessionUri, - workingDirectory: config.workingDirectory, - provisional: true, - ...(project ? { project } : {}), - }; + createSession(_config?: IAgentCreateSessionConfig): Promise { + throw new Error('TODO: Phase 5'); } - /** - * Factory hook for the per-session wrapper. Tests override this to - * inject a recording subclass and observe dispose order/count without - * monkey-patching the live `_sessions` map. Mirrors CopilotAgent's - * `_createCopilotClient` pattern (`copilotAgent.ts:286`). - */ - protected _createSessionWrapper( - sessionId: string, - sessionUri: URI, - workingDirectory: URI | undefined, - warm: import('@anthropic-ai/claude-agent-sdk').WarmQuery, - abortController: AbortController, - ): ClaudeAgentSession { - return new ClaudeAgentSession( - sessionId, - sessionUri, - workingDirectory, - warm, - abortController, - this._onDidSessionProgress, - this._logService, - ); - } - - /** - * Promote a {@link IClaudeProvisionalSession} into a real - * {@link ClaudeAgentSession}. Called from {@link sendMessage} inside - * the {@link _sessionSequencer.queue} block, so concurrent first - * sends serialize naturally — exactly one materialize per session. - * - * Plan section 3.4. Failure modes: - * - Missing provisional record → programmer error, throws. - * - Missing proxy handle → caller forgot {@link authenticate}, throws. - * - Aborted before SDK init returns → dispose the {@link WarmQuery} - * and throw {@link CancellationError}. - * - Customization-directory persistence failure → fatal: dispose the - * wrapper (aborts the SDK subprocess), drop the provisional record, - * re-throw. Avoids silent half-persisted state. - */ - private async _materializeProvisional(sessionId: string): Promise { - const provisional = this._provisionalSessions.get(sessionId); - if (!provisional) { - throw new Error(`Cannot materialize unknown provisional session: ${sessionId}`); - } - if (!provisional.workingDirectory) { - throw new Error(`Cannot materialize Claude session ${sessionId}: workingDirectory is required`); - } - const proxyHandle = this._proxyHandle; - if (!proxyHandle) { - throw new Error('Claude proxy is not running; agent must be authenticated first'); - } - - const subprocessEnv = this._buildSubprocessEnv(); - // Settings env: forwarded to the Claude subprocess via the SDK's - // `Options.settings.env` channel (separate from `Options.env` which - // is the spawn env). PATH composition uses `delimiter` (`:` or `;`) - // so Windows agent hosts don't corrupt PATH on subprocess fork. - const settingsEnv: Record = { - ANTHROPIC_BASE_URL: proxyHandle.baseUrl, - ANTHROPIC_AUTH_TOKEN: `${proxyHandle.nonce}.${sessionId}`, - CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC: '1', - USE_BUILTIN_RIPGREP: '0', - PATH: `${dirname(rgPath)}${delimiter}${process.env.PATH ?? ''}`, - }; - - const options: Options = { - cwd: provisional.workingDirectory.fsPath, - executable: process.execPath as 'node', - env: subprocessEnv, - abortController: provisional.abortController, - allowDangerouslySkipPermissions: true, - canUseTool: async (_name, _input) => ({ - behavior: 'deny', - message: 'Tools are not yet enabled for this session (Phase 6).', - }), - disallowedTools: ['WebSearch'], - includeHookEvents: true, - includePartialMessages: true, - permissionMode: 'default', - sessionId, - settingSources: ['user', 'project', 'local'], - settings: { env: settingsEnv }, - systemPrompt: { type: 'preset', preset: 'claude_code' }, - stderr: data => this._logService.error(`[Claude SDK stderr] ${data}`), - }; - - const warm = await this._sdkService.startup({ options }); - - // Q8 belt-and-suspenders: the SDK's comment guarantees abort cleanup - // (sdk.d.ts:982), but if `startup()` resolved despite a racing abort, - // dispose the WarmQuery and surface cancellation. The agent has been - // shutting down while we awaited; do NOT materialize. - if (provisional.abortController.signal.aborted) { - await warm[Symbol.asyncDispose](); - throw new CancellationError(); - } - - const session = this._createSessionWrapper( - sessionId, - provisional.sessionUri, - provisional.workingDirectory, - warm, - provisional.abortController, - ); - - // Persist customization-directory metadata BEFORE firing the - // materialize event — see plan section 3.4 ordering rationale. - try { - await this._writeCustomizationDirectory(provisional.sessionUri, provisional.workingDirectory); - } catch (err) { - session.dispose(); - this._provisionalSessions.delete(sessionId); - this._logService.error(`[Claude] Failed to persist customization directory; aborting materialize`, err); - throw err; - } - - // Final pre-commit abort gate. The first abort gate above only - // catches an abort that lands while `await sdk.startup()` was in - // flight; `_writeCustomizationDirectory` is a SECOND async - // boundary where a racing `disposeSession` (which does not await - // the materialize via `_disposeSequencer` because send and dispose - // use different sequencers — plan section 3.8 / section 6) can fire between - // the SDK init and the `_sessions.set(...)` commit. Without this - // gate, the dispose returns successfully, the provisional record - // is removed, and the materialize still completes — leaking a - // WarmQuery subprocess into `_sessions` that nothing else - // references. Council-review C1. - if (provisional.abortController.signal.aborted) { - session.dispose(); - this._provisionalSessions.delete(sessionId); - throw new CancellationError(); - } - - this._sessions.set(sessionId, session); - this._provisionalSessions.delete(sessionId); - - this._onDidMaterializeSession.fire({ - session: provisional.sessionUri, - workingDirectory: provisional.workingDirectory, - project: provisional.project, - }); - - return session; - } - - /** - * Build the {@link Options.env} payload for the Claude subprocess. - * - * The agent host runs in an Electron utility process; the spawn env - * inherits the parent's env which contains `NODE_OPTIONS`, - * `ELECTRON_*`, and `VSCODE_*` variables that break the Claude - * subprocess (it's a plain Node script driven by Electron's - * `process.execPath` + `ELECTRON_RUN_AS_NODE`). Strip them via - * {@link Options.env} `undefined` semantics (sdk.d.ts:1075-1078: - * "Set a key to `undefined` to remove an inherited variable"). - * - * Mirror of CopilotAgent's strip pattern at copilotAgent.ts:434-450. - */ - private _buildSubprocessEnv(): Record { - const env: Record = { - ELECTRON_RUN_AS_NODE: '1', - NODE_OPTIONS: undefined, - ANTHROPIC_API_KEY: undefined, - }; - for (const key of Object.keys(process.env)) { - if (key === 'ELECTRON_RUN_AS_NODE') { continue; } - if (key.startsWith('VSCODE_') || key.startsWith('ELECTRON_')) { - env[key] = undefined; - } - } - return env; - } - - /** - * Persist the user's customization-directory pick to the per-session - * DB so {@link listSessions} can surface it (and Phase 6+ worktree - * materialization can still find the original folder). Mirrors - * CopilotAgent's `_storeSessionMetadata` pattern. - */ - private async _writeCustomizationDirectory(session: URI, workingDirectory: URI): Promise { - const dbRef = this._sessionDataService.openDatabase(session); - try { - await dbRef.object.setMetadata( - ClaudeAgent._META_CUSTOMIZATION_DIRECTORY, - workingDirectory.toString(), - ); - } finally { - dbRef.dispose(); - } - } - - disposeSession(session: URI): Promise { - // Routed through {@link _disposeSequencer} so a concurrent - // {@link shutdown} already serializing teardown for this same - // session id awaits this work first (and vice versa). Phase 6 - // adds a provisional branch: when the session has not yet been - // materialized, abort the controller (unblocks any racing - // `await sdk.startup()`) and drop the record. No SDK contact, - // no DB write — symmetric with `createSession`. - const sessionId = AgentSession.id(session); - return this._disposeSequencer.queue(sessionId, async () => { - const provisional = this._provisionalSessions.get(sessionId); - if (provisional) { - provisional.abortController.abort(); - this._provisionalSessions.delete(sessionId); - return; - } - this._sessions.deleteAndDispose(sessionId); - }); - } - - /** - * Test-only accessor for the materialized {@link ClaudeAgentSession}. - * Phase 6 section 5.1 Test 10 needs to inspect `_isResumed` directly because - * Phase 6 has no teardown+recreate flow yet to observe its effect - * (the flag drives `Options.resume = sessionId` in Phase 7+). Marked - * `ForTesting` so the production surface stays unaware of its - * existence; the protocol surface (`IAgent`) does not include it. - */ - getSessionForTesting(session: URI): ClaudeAgentSession | undefined { - return this._sessions.get(AgentSession.id(session)); + disposeSession(_session: URI): Promise { + throw new Error('TODO: Phase 5'); } /** @@ -591,195 +181,27 @@ export class ClaudeAgent extends Disposable implements IAgent { * Phase 13; the bare method shape is required by {@link IAgent}. */ getSessionMessages(_session: URI): Promise { - // Phase 5 has nothing to reconstruct: there is no SDK Query - // running yet and no event log on disk has been read. The agent - // service surfaces in-memory provisional turns until Phase 13 - // implements transcript reconstruction from the SDK event log. - // A fresh array per call avoids leaking mutations across - // subscribers. - return Promise.resolve([]); + throw new Error('TODO: Phase 5'); } - async listSessions(): Promise { - // Plan section 3.3.2: SDK is the source of truth; the per-session DB - // is a pure overlay/cache for Claude-namespaced fields like - // `customizationDirectory`. We deliberately do NOT filter - // entries that lack a DB — external Claude Code CLI sessions - // have no DB and must still surface (Phase-5 exit criterion). - // - // Each per-session overlay read is independently try/caught so a - // single corrupt DB cannot poison the wider listing. CopilotAgent's - // `Promise.all`-with-throwing-mapper pattern at copilotAgent.ts:519 - // has a latent bug; we follow AgentService.listSessions's resilient - // pattern (`agentService.ts:188-204`) instead. - // - // `AgentService.listSessions` fans out across all providers via - // `Promise.all` (agentService.ts:202-204). If our SDK dynamic - // import fails (corrupt install, missing optional dep) and we let - // it reject, *every* provider's session list disappears — the - // sibling Copilot provider gets nuked too. Catch and log instead. - let sdkEntries: readonly SDKSessionInfo[]; - try { - sdkEntries = await this._sdkService.listSessions(); - } catch (err) { - this._logService.warn('[Claude] SDK listSessions failed; surfacing empty list', err); - return []; - } - return Promise.all(sdkEntries.map(async entry => { - try { - const sessionUri = AgentSession.uri(this.id, entry.sessionId); - const dbRef = await this._sessionDataService.tryOpenDatabase(sessionUri); - if (dbRef) { - try { - const raw = await dbRef.object.getMetadata(ClaudeAgent._META_CUSTOMIZATION_DIRECTORY); - return this._toAgentSessionMetadata(entry, { - customizationDirectory: raw ? URI.parse(raw) : undefined, - }); - } finally { - dbRef.dispose(); - } - } - } catch (err) { - this._logService.warn(`[Claude] Overlay read failed for session ${entry.sessionId}`, err); - } - // External session, or DB read failed: surface what the SDK gave us. - return this._toAgentSessionMetadata(entry, {}); - })); - } - - private _toAgentSessionMetadata(entry: SDKSessionInfo, overlay: { customizationDirectory?: URI }): IAgentSessionMetadata { - return { - session: AgentSession.uri(this.id, entry.sessionId), - startTime: entry.createdAt ?? entry.lastModified, - modifiedTime: entry.lastModified, - summary: entry.customTitle ?? entry.summary, - workingDirectory: entry.cwd ? URI.file(entry.cwd) : undefined, - customizationDirectory: overlay.customizationDirectory, - }; + listSessions(): Promise { + throw new Error('TODO: Phase 5'); } resolveSessionConfig(_params: IAgentResolveSessionConfigParams): Promise { - // Decision B5 (plan section 3.3.5): Claude collapses the platform's - // `autoApprove` × `mode` two-axis approval surface onto a single - // `permissionMode` axis matching the SDK's native enum. The - // platform `Permissions` key is reused unchanged because the - // Claude SDK accepts `allowedTools` / `disallowedTools` - // natively. Skipped: AutoApprove, Mode, Isolation, Branch, - // BranchNameHint — workbench pickers key off the property names - // to decide what to render, so omitting these intentionally - // suppresses the default mode/branch UI for Claude sessions. - const sessionSchema = createSchema({ - [ClaudeSessionConfigKey.PermissionMode]: schemaProperty({ - type: 'string', - title: localize('claude.sessionConfig.permissionMode', "Approvals"), - description: localize('claude.sessionConfig.permissionModeDescription', "How Claude handles tool approvals."), - enum: ['default', 'acceptEdits', 'bypassPermissions', 'plan'], - enumLabels: [ - localize('claude.sessionConfig.permissionMode.default', "Ask Each Time"), - localize('claude.sessionConfig.permissionMode.acceptEdits', "Auto-Approve Edits"), - localize('claude.sessionConfig.permissionMode.bypassPermissions', "Bypass Approvals"), - localize('claude.sessionConfig.permissionMode.plan', "Plan Only (Read-Only)"), - ], - enumDescriptions: [ - localize('claude.sessionConfig.permissionMode.defaultDescription', "Prompt for every tool call."), - localize('claude.sessionConfig.permissionMode.acceptEditsDescription', "Auto-approve file edits; prompt for shell and other tools."), - localize('claude.sessionConfig.permissionMode.bypassPermissionsDescription', "Auto-approve every tool call."), - localize('claude.sessionConfig.permissionMode.planDescription', "Read-only research mode; no tool calls executed."), - ], - default: 'default', - sessionMutable: true, - }), - [SessionConfigKey.Permissions]: platformSessionSchema.definition[SessionConfigKey.Permissions], - }); - - const values = sessionSchema.validateOrDefault(_params.config, { - [ClaudeSessionConfigKey.PermissionMode]: 'default' satisfies ClaudePermissionMode, - // Permissions intentionally omitted from defaults — leave - // unset so auto-approval falls through to the host-level - // default, materializing on the session only once the user - // approves a tool "in this Session". - }); - - return Promise.resolve({ - schema: sessionSchema.toProtocol(), - values, - }); + throw new Error('TODO: Phase 5'); } sessionConfigCompletions(_params: IAgentSessionConfigCompletionsParams): Promise { - // Plan section 3.3.5: Claude's only schema property is the - // `permissionMode` static enum, so dynamic completion is - // definitionally empty in Phase 5. Branch completion lands in - // Phase 6 once worktree extraction (section 8) is settled. - return Promise.resolve({ items: [] }); + throw new Error('TODO: Phase 5'); } shutdown(): Promise { - // Phase 6: drain provisional sessions FIRST so any in-flight - // `await sdk.startup()` (kicked off by a racing `sendMessage`) - // observes the abort and unwinds. Each provisional record's - // AbortController is wired into Options.abortController at - // materialize time, so aborting here flips the same signal the - // SDK is racing on. - // - // Then drain the materialized sessions through the existing - // per-session {@link _disposeSequencer} routing — that path - // inherits Phase 6's real async teardown (`Query.interrupt()`, - // in-flight metadata writes) once those land. - // - // The promise is memoized so concurrent callers share a single - // drain pass — see `_shutdownPromise` JSDoc. - // NOTE: declared sync (returns Promise) rather than async - // so that re-entrant calls return the cached promise *identity*, - // not a fresh outer-async wrapper around it. - return this._shutdownPromise ??= (async () => { - for (const provisional of this._provisionalSessions.values()) { - provisional.abortController.abort(); - } - this._provisionalSessions.clear(); - - const sessionIds = [...this._sessions.keys()]; - await Promise.all(sessionIds.map(sessionId => - this._disposeSequencer.queue(sessionId, async () => { - this._sessions.deleteAndDispose(sessionId); - }) - )); - })(); + throw new Error('TODO: Phase 5'); } - async sendMessage(session: URI, prompt: string, attachments?: IAgentAttachment[], turnId?: string): Promise { - // Plan section 3.8. The sequencer scope holds across BOTH materialize - // and `entry.send` so two concurrent first-message calls on the - // same session collapse into one materialize plus two ordered - // sends. A `disposeSession` racing a first send reaches its own - // dispose-sequencer eventually but the in-flight materialize - // completes first. - const sessionId = AgentSession.id(session); - // `IAgent.sendMessage` declares `turnId?` (agentService.ts:424) but - // every production caller in `AgentSideEffects` supplies one. Generate - // a fallback so the session-side `QueuedRequest.turnId: string` - // invariant holds even if a hypothetical caller forgets it. - const effectiveTurnId = turnId ?? generateUuid(); - return this._sessionSequencer.queue(sessionId, async () => { - let entry = this._sessions.get(sessionId); - if (!entry) { - if (this._provisionalSessions.has(sessionId)) { - entry = await this._materializeProvisional(sessionId); - } else { - throw new Error(`Cannot send to unknown session: ${sessionId}`); - } - } - - const contentBlocks = resolvePromptToContentBlocks(prompt, attachments); - const sdkPrompt: SDKUserMessage = { - type: 'user', - message: { role: 'user', content: contentBlocks }, - session_id: sessionId, - parent_tool_use_id: null, - }; - - await entry.send(sdkPrompt, effectiveTurnId); - }); + sendMessage(_session: URI, _prompt: string, _attachments?: IAgentAttachment[], _turnId?: string): Promise { + throw new Error('TODO: Phase 6'); } respondToPermissionRequest(_requestId: string, _approved: boolean): void { @@ -790,13 +212,11 @@ export class ClaudeAgent extends Disposable implements IAgent { throw new Error('TODO: Phase 7'); } - async abortSession(_session: URI): Promise { - // `async` for the same reason as `sendMessage` — abort flows through - // `.catch()` chains in the agent service. + abortSession(_session: URI): Promise { throw new Error('TODO: Phase 9'); } - async changeModel(_session: URI, _model: ModelSelection): Promise { + changeModel(_session: URI, _model: ModelSelection): Promise { throw new Error('TODO: Phase 9'); } @@ -819,39 +239,17 @@ export class ClaudeAgent extends Disposable implements IAgent { // #endregion override dispose(): void { - // Phase 6+ INVARIANT: SDK Query subprocesses (owned by individual - // ClaudeAgentSession wrappers) MUST die BEFORE the proxy handle - // is disposed. After proxy disposal the proxy may rebind on a - // different port and a still-running subprocess would silently - // lose its endpoint. See `IClaudeProxyHandle` doc in - // `claudeProxyService.ts`. - // - // Step 1: abort every provisional AbortController. These are - // the same controllers wired into `Options.abortController` at - // materialize time (sdk.d.ts:982), so any in-flight - // `await sdk.startup()` will reject and any sequencer-queued - // `_materializeProvisional` continuation will trip its - // post-startup or post-customization-write abort gates, - // disposing the WarmQuery without ever reaching - // `_sessions.set(...)`. Without this step, dispose during a - // concurrent first `sendMessage` could orphan a WarmQuery - // subprocess. (Copilot reviewer: dispose lifecycle.) - // - // Step 2: `super.dispose()` synchronously disposes the - // `_sessions` DisposableMap, firing each session wrapper's - // `dispose()` (which interrupts/asyncDisposes its WarmQuery). - // - // Step 3: only then release the proxy handle, preserving the - // wrapper-before-proxy ordering invariant. This is locked by - // test "dispose disposes the proxy handle and is idempotent". - for (const provisional of this._provisionalSessions.values()) { - provisional.abortController.abort(); - } - this._provisionalSessions.clear(); - super.dispose(); + // Phase 6+ INVARIANT: SDK subprocess(es) MUST be killed BEFORE the + // proxy handle is disposed. After dispose the proxy may rebind on + // a different port and the subprocess would silently lose its + // endpoint. See `IClaudeProxyHandle` doc in `claudeProxyService.ts`. + // In Phase 4 there are no subprocesses, so this ordering is moot — + // but the comment is mandatory so future contributors don't break + // it when they wire the SDK in. this._proxyHandle?.dispose(); this._proxyHandle = undefined; this._githubToken = undefined; this._models.set([], undefined); + super.dispose(); } } diff --git a/src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts b/src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts deleted file mode 100644 index 90b9b94e7b105d..00000000000000 --- a/src/vs/platform/agentHost/node/claude/claudeAgentSdkService.ts +++ /dev/null @@ -1,124 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -import type { ListSessionsOptions, Options, SDKSessionInfo, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; -import { createDecorator } from '../../../instantiation/common/instantiation.js'; -import { ILogService } from '../../../log/common/log.js'; - -export const IClaudeAgentSdkService = createDecorator('claudeAgentSdkService'); - -/** - * Lazy wrapper over `@anthropic-ai/claude-agent-sdk` for the agent host - * Claude provider. The interface grows phase-by-phase; Phase 5 introduces - * the decorator so {@link import('./claudeAgent.js').ClaudeAgent} can take - * it as a constructor dependency. Phase 6 adds {@link startup} for - * materialization. Method surfaces are added in subsequent slices alongside - * the tests that exercise them. - */ -export interface IClaudeAgentSdkService { - readonly _serviceBrand: undefined; - - /** - * Enumerates persisted Claude sessions surfaced by the SDK's filesystem - * scan. Phase 5 mirrors `IAgent.listSessions()` (no `dir` parameter): - * the host translates this internally to `sdk.listSessions(undefined)`. - * - * Failures (corrupt module, postinstall mishap) reject with the SDK - * loader's diagnostic. Callers MUST tolerate rejection without - * collapsing the wider listing pipeline. - */ - listSessions(): Promise; - - /** - * Pre-warms the SDK subprocess and runs the init handshake. Returns - * a {@link WarmQuery} whose `.query(promptIterable)` binds the - * prompt iterable and returns a streaming `Query`. Aborting - * `options.abortController` either rejects this promise (if init is - * in flight) or causes the resulting Query to clean up resources - * (sdk.d.ts section `startup`). - * - * Phase 6 calls this from {@link ClaudeAgent._materializeProvisional} - * on the first `sendMessage`. Firing `onDidMaterializeSession` is - * deliberately deferred until after the await resolves so AgentService - * can atomically dispatch the deferred `sessionAdded` notification. - */ - startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; -} - -/** - * Narrowed structural slice of `@anthropic-ai/claude-agent-sdk` covering - * exactly the bindings the agent host pulls from the SDK. Production - * `import()` returns the full module which is structurally assignable to - * this interface; tests subclass {@link ClaudeAgentSdkService} and - * override {@link ClaudeAgentSdkService._loadSdk} to fault or stub these - * bindings without having to name every export of the SDK module. - */ -export interface IClaudeSdkBindings { - listSessions(options?: ListSessionsOptions): Promise; - startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; -} - -/** - * Production implementation. The SDK module is loaded lazily via dynamic - * `import()` because it pulls in non-trivial deps that aren't relevant - * unless the user has opted into the Claude agent. - * - * The loader's caching / log-once-on-failure semantics are locked by the - * dedicated test in {@link import('../../test/node/claudeAgent.test.ts')}, - * which subclasses this and overrides {@link _loadSdk} to fault on demand. - * That's why {@link _loadSdk} is `protected` rather than `private`. - */ -export class ClaudeAgentSdkService implements IClaudeAgentSdkService { - declare readonly _serviceBrand: undefined; - - /** - * Cached resolved bindings. We deliberately cache the *resolved* value, - * not the in-flight promise — if a transient `import()` failure recovers - * (e.g. user fixes a broken `node_modules`), the next call retries. - * Mirrors the convention in `agentHostTerminalManager.ts` for `node-pty`. - */ - private _sdkModule: IClaudeSdkBindings | undefined; - - /** - * Latched once we've logged a load failure, so a corrupt postinstall - * doesn't flood `error` events on every `listSessions()` call (each - * workbench refresh and session-list rerender hits this path). - */ - private _firstLoadFailureLogged = false; - - constructor( - @ILogService private readonly _logService: ILogService, - ) { } - - async listSessions(): Promise { - const sdk = await this._getSdk(); - return sdk.listSessions(undefined); - } - - async startup(params: { options: Options; initializeTimeoutMs?: number }): Promise { - const sdk = await this._getSdk(); - return sdk.startup(params); - } - - private async _getSdk(): Promise { - if (this._sdkModule) { - return this._sdkModule; - } - try { - this._sdkModule = await this._loadSdk(); - return this._sdkModule; - } catch (err) { - if (!this._firstLoadFailureLogged) { - this._firstLoadFailureLogged = true; - this._logService.error('[Claude] Failed to load @anthropic-ai/claude-agent-sdk', err); - } - throw err; - } - } - - protected async _loadSdk(): Promise { - return import('@anthropic-ai/claude-agent-sdk'); - } -} diff --git a/src/vs/platform/agentHost/node/claude/claudeAgentSession.ts b/src/vs/platform/agentHost/node/claude/claudeAgentSession.ts deleted file mode 100644 index 92939db34ed2b3..00000000000000 --- a/src/vs/platform/agentHost/node/claude/claudeAgentSession.ts +++ /dev/null @@ -1,268 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -import type { Query, SDKMessage, SDKUserMessage, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; -import { DeferredPromise } from '../../../../base/common/async.js'; -import { CancellationError } from '../../../../base/common/errors.js'; -import { Emitter } from '../../../../base/common/event.js'; -import { Disposable, toDisposable } from '../../../../base/common/lifecycle.js'; -import { URI } from '../../../../base/common/uri.js'; -import { ILogService } from '../../../log/common/log.js'; -import { AgentSignal } from '../../common/agentService.js'; -import { IClaudeMapperState, mapSDKMessageToAgentSignals } from './claudeMapSessionEvents.js'; - -/** - * One in-flight {@link send} request. Length of {@link ClaudeAgentSession._inFlightRequests} - * is at most 1 in Phase 6 thanks to the per-session sequencer in `ClaudeAgent`, - * but the queue shape is preserved so Phase 7+ tools (intra-turn waits) - * can extend without reshaping the loop. - */ -interface IQueuedRequest { - readonly prompt: SDKUserMessage; - readonly deferred: DeferredPromise; - /** - * Required (non-optional). The agent's `sendMessage` accepts - * `turnId?: string` (`agentService.ts:424`); `ClaudeAgent.sendMessage` - * generates a UUID if absent before forwarding here, so by the time - * a request reaches the session it always carries a turn id. The - * mapper depends on this for `SessionAction.turnId` population. - */ - readonly turnId: string; -} - -/** - * Per-session SDK Query owner. - * - * Holds the {@link WarmQuery}, the bound {@link Query}, the - * per-session {@link AbortController}, the prompt iterable, and the - * in-flight request queue. Disposing the session aborts the controller - * which (per `sdk.d.ts:982`) terminates the SDK subprocess; the - * WarmQuery is also explicitly disposed so any pending native handles - * release. - * - * Plan section 3.5. Phase 6 deliberately keeps the message → signal mapping - * out of this class — see `claudeMapSessionEvents.ts` (added Cycle 6). - * Cycle 3 lands the bare consumer loop: drain the SDK iterator, - * complete the in-flight deferred on `result`. Subsequent cycles add - * the mapper call and the `_isResumed` / fatal-error / cancellation - * branches. - */ -export class ClaudeAgentSession extends Disposable { - - /** - * SDK Query handle. Bound on the first {@link send} call (so every - * subsequent send pushes onto the same prompt iterable rather than - * spawning a new query). Phase 6 binds exactly once. - */ - private _query: Query | undefined; - - /** - * Wakes the prompt iterable's `next()` when a new prompt arrives or - * on abort. Replaced on every consumed prompt. - */ - private _pendingPromptDeferred = new DeferredPromise(); - - /** - * FIFO of in-flight requests. Length at most 1 in Phase 6 due to the - * agent-side `_sessionSequencer`. The mapper reads - * `_inFlightRequests[0]?.turnId` to populate `SessionAction.turnId` - * — only valid because of the single-in-flight invariant. - */ - private _inFlightRequests: IQueuedRequest[] = []; - - /** - * Prompts pushed by {@link send}, drained by the prompt iterable. - * Separate from {@link _inFlightRequests} because the iterable's - * consumer loop pops from here while the result-completion loop - * pops from the in-flight list. - */ - private _queuedPrompts: SDKUserMessage[] = []; - - /** - * Mutable state threaded into {@link mapSDKMessageToAgentSignals}. - * Lives on the session (not the mapper module) so that concurrent - * sessions don't cross-contaminate part-id allocations. - */ - private readonly _mapperState: IClaudeMapperState = { currentBlockParts: new Map() }; - - /** - * Flips to `true` on the first `system:init` SDK message. Phase 7+ - * teardown+recreate flows pass `Options.resume = sessionId` to the - * SDK on a recreated session iff `_isResumed === true`, signalling - * the SDK to reuse the existing transcript. Phase 6 only sets the - * flag — no recreate flow exists yet. - */ - private _isResumed = false; - - get isResumed(): boolean { - return this._isResumed; - } - - /** - * Latched once {@link _processMessages} terminates with an error - * (cancellation, transport failure, malformed SDK output). Every - * pending in-flight deferred is rejected with the same error, and - * subsequent {@link send} calls fast-fail with this latched value - * instead of parking on a dead query. Phase 7+ teardown+recreate - * flows clear this when the session is re-bound. - */ - private _fatalError: Error | undefined; - - constructor( - readonly sessionId: string, - readonly sessionUri: URI, - readonly workingDirectory: URI | undefined, - private readonly _warm: WarmQuery, - private readonly _abortController: AbortController, - private readonly _onDidSessionProgress: Emitter, - private readonly _logService: ILogService, - ) { - super(); - // Dispose chain → abort → SDK cleanup (sdk.d.ts:982). - this._register(toDisposable(() => this._abortController.abort())); - // Wake any parked prompt iterator so it can return `{ done: true }`. - this._abortController.signal.addEventListener('abort', () => { - this._pendingPromptDeferred.complete(); - }, { once: true }); - // The WarmQuery owns disposable resources (subprocess handle, etc.). - // The dispose path is async but VS Code's lifecycle is sync — fire - // and forget; log failures so a leaked handle surfaces. The SDK - // types `Symbol.asyncDispose()` as `PromiseLike`, so wrap in - // `Promise.resolve` to get `.catch`. - this._register(toDisposable(() => { - void Promise.resolve(this._warm[Symbol.asyncDispose]()).catch((err: unknown) => - this._logService.warn(`[ClaudeAgentSession] WarmQuery dispose failed: ${err}`)); - })); - } - - /** - * Push a prompt onto the queue and await the turn's completion (the - * `result` SDKMessage). The first call also binds the prompt iterable - * to the WarmQuery and kicks off the consumer loop. - */ - async send(prompt: SDKUserMessage, turnId: string): Promise { - if (this._fatalError) { - // Fast-fail: a previous turn crashed `_processMessages`. The - // query and prompt iterable are already torn down, so a new - // `send` here would push onto a dead pipe and park forever. - throw this._fatalError; - } - if (this._abortController.signal.aborted) { - throw new CancellationError(); - } - if (!this._query) { - this._query = this._warm.query(this._createPromptIterable()); - // Fire-and-forget: errors propagate via the in-flight deferred - // (rejected by `_processMessages`'s catch latch) and are - // re-logged here as a belt-and-suspenders for the no-inflight - // case (e.g. a stream that errors before the first send). - void this._processMessages().catch(err => - this._logService.error(`[ClaudeAgentSession] _processMessages crashed: ${err}`)); - } - const deferred = new DeferredPromise(); - this._inFlightRequests.push({ prompt, deferred, turnId }); - this._queuedPrompts.push(prompt); - this._pendingPromptDeferred.complete(); - return deferred.p; - } - - /** - * Build the prompt iterable bound to {@link WarmQuery.query}. - * Each `next()` parks on {@link _pendingPromptDeferred} until either - * a prompt arrives ({@link send}) or the controller aborts. - */ - private _createPromptIterable(): AsyncIterable { - return { - [Symbol.asyncIterator]: () => ({ - next: async () => { - while (this._queuedPrompts.length === 0) { - if (this._abortController.signal.aborted) { - return { done: true, value: undefined }; - } - await this._pendingPromptDeferred.p; - this._pendingPromptDeferred = new DeferredPromise(); - } - return { done: false, value: this._queuedPrompts.shift()! }; - }, - }), - }; - } - - /** - * Consumer loop. Drains the SDK iterator, calls the pure mapper to - * convert each {@link SDKMessage} into {@link AgentSignal}s, fires - * them through `_onDidSessionProgress`, and completes the in-flight - * deferred on `result`. The mapper is called inside a try/catch so a - * single malformed SDK message can't kill the turn. - * - * On any uncaught error (cancellation, transport failure, or the - * post-loop "stream ended without result" guard) the catch block - * latches {@link _fatalError}, rejects every pending in-flight - * deferred with the same error, and rethrows so the void wrapper in - * {@link send} logs it. The latch ensures subsequent {@link send} - * calls fast-fail instead of parking on a dead query. - */ - private async _processMessages(): Promise { - const query = this._query; - if (!query) { - throw new Error('ClaudeAgentSession._processMessages called before query was bound'); - } - try { - for await (const message of query) { - if (this._abortController.signal.aborted) { - throw new CancellationError(); - } - if (message.type === 'system' && message.subtype === 'init' && !this._isResumed) { - this._isResumed = true; - } - // Mapper needs the current turn's `turnId`. Phase 6's - // per-session sequencer keeps `_inFlightRequests.length <= 1` - // while a turn is streaming, so the head element is the - // active turn. Skip mapping if no turn is in flight (e.g. - // the SDK emits a stray pre-prompt system message). - const turnId = this._inFlightRequests[0]?.turnId; - if (turnId !== undefined) { - try { - const signals = mapSDKMessageToAgentSignals( - message, - this.sessionUri, - turnId, - this._mapperState, - this._logService, - ); - for (const signal of signals) { - this._onDidSessionProgress.fire(signal); - } - } catch (mapperErr) { - this._logService.warn(`[ClaudeAgentSession] mapper threw, skipping message: ${mapperErr}`); - } - } - if (message.type === 'result') { - const completed = this._inFlightRequests.shift(); - completed?.deferred.complete(); - } - } - // Distinguish a cancelled stream (aborted controller drained - // the iterator cleanly) from a truly anomalous end-of-stream. - // The for-await above checks abort on each iteration, but a - // dispose racing the very last `next()` lands here. - if (this._abortController.signal.aborted) { - throw new CancellationError(); - } - throw new Error('Claude SDK stream ended without a result message'); - } catch (err) { - const fatal = err instanceof Error ? err : new Error(String(err)); - this._fatalError = fatal; - for (const req of this._inFlightRequests) { - if (!req.deferred.isSettled) { - req.deferred.error(fatal); - } - } - this._inFlightRequests = []; - throw fatal; - } - } -} - diff --git a/src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts b/src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts deleted file mode 100644 index 5fe2bf549a9733..00000000000000 --- a/src/vs/platform/agentHost/node/claude/claudeMapSessionEvents.ts +++ /dev/null @@ -1,217 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -import type { SDKMessage } from '@anthropic-ai/claude-agent-sdk'; -import { generateUuid } from '../../../../base/common/uuid.js'; -import type { URI } from '../../../../base/common/uri.js'; -import type { ILogService } from '../../../log/common/log.js'; -import type { AgentSignal } from '../../common/agentService.js'; -import { ActionType } from '../../common/state/sessionActions.js'; -import { ResponsePartKind } from '../../common/state/sessionState.js'; - -/** - * Mutable mapping state owned by `ClaudeAgentSession` and threaded into - * {@link mapSDKMessageToAgentSignals}. Kept on the session — not in this - * module — so multiple sessions don't share state and the mapper itself - * stays a pure function. - */ -export interface IClaudeMapperState { - /** - * Maps content_block index → response part id. Populated on - * `content_block_start`, drained on `content_block_stop`, cleared on - * `message_start`. Used to route `content_block_delta` events to - * the right `SessionDelta` / `SessionReasoning` partId. - */ - readonly currentBlockParts: Map; -} - -/** - * Map one SDK message to zero or more agent signals. - * - * Pure function. All state is in {@link IClaudeMapperState}, which the - * caller owns. Tests can therefore exercise the mapper directly with a - * fake state object. - * - * Phase 6 emits: - * - {@link ActionType.SessionResponsePart} (Markdown) on - * `content_block_start` with a `text` block. - * - {@link ActionType.SessionResponsePart} (Reasoning) on - * `content_block_start` with a `thinking` block. - * - {@link ActionType.SessionDelta} on `content_block_delta` with a - * `text_delta`. - * - {@link ActionType.SessionReasoning} on `content_block_delta` with a - * `thinking_delta`. - * - {@link ActionType.SessionTurnComplete} on `result`. - * - * Reducer ordering invariant: `SessionResponsePart` MUST precede the - * first `SessionDelta` / `SessionReasoning` for that part id (see - * `actions.ts:233, 540`). This mapper allocates the part on - * `content_block_start` BEFORE any delta can arrive — deltas are - * SDK-ordered after the start — so the invariant holds by construction. - */ -export function mapSDKMessageToAgentSignals( - message: SDKMessage, - session: URI, - turnId: string, - state: IClaudeMapperState, - logService: ILogService, -): AgentSignal[] { - switch (message.type) { - case 'stream_event': - return mapStreamEvent(message.event, session, turnId, state, logService); - case 'result': - return mapResult(message, session, turnId); - default: - return []; - } -} - -function mapResult( - message: Extract, - session: URI, - turnId: string, -): AgentSignal[] { - const sessionStr = session.toString(); - const signals: AgentSignal[] = []; - if (message.subtype === 'success') { - // `modelUsage` is keyed by model name; pick the first key as the - // reported model. Phase 6 turns are single-model; multi-model - // attribution is a Phase 7+ concern. - const modelKey = Object.keys(message.modelUsage)[0]; - signals.push({ - kind: 'action', - session, - action: { - type: ActionType.SessionUsage, - session: sessionStr, - turnId, - usage: { - inputTokens: message.usage.input_tokens, - outputTokens: message.usage.output_tokens, - cacheReadTokens: message.usage.cache_read_input_tokens, - ...(modelKey ? { model: modelKey } : {}), - }, - }, - }); - } - signals.push({ - kind: 'action', - session, - action: { - type: ActionType.SessionTurnComplete, - session: sessionStr, - turnId, - }, - }); - return signals; -} - -function mapStreamEvent( - event: Extract['event'], - session: URI, - turnId: string, - state: IClaudeMapperState, - logService: ILogService, -): AgentSignal[] { - const sessionStr = session.toString(); - switch (event.type) { - case 'message_start': - state.currentBlockParts.clear(); - return []; - - case 'content_block_start': { - const block = event.content_block; - if (block.type === 'text') { - const partId = generateUuid(); - state.currentBlockParts.set(event.index, partId); - return [{ - kind: 'action', - session, - action: { - type: ActionType.SessionResponsePart, - session: sessionStr, - turnId, - part: { - kind: ResponsePartKind.Markdown, - id: partId, - content: '', - }, - }, - }]; - } - if (block.type === 'thinking') { - const partId = generateUuid(); - state.currentBlockParts.set(event.index, partId); - return [{ - kind: 'action', - session, - action: { - type: ActionType.SessionResponsePart, - session: sessionStr, - turnId, - part: { - kind: ResponsePartKind.Reasoning, - id: partId, - content: '', - }, - }, - }]; - } - // Defense in depth: `canUseTool: deny` should prevent tool_use - // from ever streaming, but if it does, skip + warn rather than - // allocating a part the reducer doesn't have a handler for. - if (block.type === 'tool_use') { - logService.warn(`[claudeMapSessionEvents] dropped streamed tool_use block at index ${event.index}`); - return []; - } - return []; - } - - case 'content_block_delta': { - const partId = state.currentBlockParts.get(event.index); - if (partId === undefined) { - return []; - } - if (event.delta.type === 'text_delta') { - return [{ - kind: 'action', - session, - action: { - type: ActionType.SessionDelta, - session: sessionStr, - turnId, - partId, - content: event.delta.text, - }, - }]; - } - if (event.delta.type === 'thinking_delta') { - return [{ - kind: 'action', - session, - action: { - type: ActionType.SessionReasoning, - session: sessionStr, - turnId, - partId, - content: event.delta.thinking, - }, - }]; - } - return []; - } - - case 'content_block_stop': - state.currentBlockParts.delete(event.index); - return []; - - case 'message_delta': - case 'message_stop': - return []; - - default: - return []; - } -} diff --git a/src/vs/platform/agentHost/node/claude/claudePromptResolver.ts b/src/vs/platform/agentHost/node/claude/claudePromptResolver.ts deleted file mode 100644 index 2c3df6b42e8d7e..00000000000000 --- a/src/vs/platform/agentHost/node/claude/claudePromptResolver.ts +++ /dev/null @@ -1,74 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -import type Anthropic from '@anthropic-ai/sdk'; -import { URI } from '../../../../base/common/uri.js'; -import { IAgentAttachment } from '../../common/agentService.js'; -import { AttachmentType } from '../../common/state/sessionState.js'; - -/** - * Build the {@link Anthropic.ContentBlockParam}[] payload for an - * {@link SDKUserMessage} from a plain text prompt and the agent host's - * normalized attachment list. - * - * Phase 6 keeps the resolver pure and minimal: a single `text` block - * carrying the prompt, plus (when attachments are present) a second - * `text` block wrapped in `` tags listing the - * referenced URIs. This mirrors the production extension's resolver - * shape so a future phase that expands `IAgentAttachment` (binary - * images, inline range substitution) can port the existing branches - * without restructuring. - * - * **Selection branch is dead-code in Phase 6** — `AgentSideEffects` strips - * the `text` and `selection` fields from `IAgentAttachment` at the - * protocol → agent boundary (`agentSideEffects.ts:699-703`, `:934-938`), - * so the agent only ever sees `{ type, uri, displayName }`. The branch - * exists for forward-compat; activating it requires a separate change - * to the side-effects pipeline (out of Phase 6 scope). - */ -export function resolvePromptToContentBlocks( - prompt: string, - attachments?: readonly IAgentAttachment[], -): Anthropic.ContentBlockParam[] { - const blocks: Anthropic.ContentBlockParam[] = [{ type: 'text', text: prompt }]; - if (!attachments?.length) { - return blocks; - } - const refLines: string[] = []; - for (const att of attachments) { - switch (att.type) { - case AttachmentType.File: - case AttachmentType.Directory: - refLines.push(`- ${uriToString(att.uri)}`); - break; - case AttachmentType.Selection: { - const line = att.selection ? `:${att.selection.start.line + 1}` : ''; - refLines.push(`- ${uriToString(att.uri)}${line}`); - if (att.text) { - refLines.push('```'); - refLines.push(att.text); - refLines.push('```'); - } - break; - } - } - } - if (refLines.length === 0) { - return blocks; - } - blocks.push({ - type: 'text', - text: '\nThe user provided the following references:\n' + - refLines.join('\n') + - '\n\nIMPORTANT: this context may or may not be relevant to your tasks. ' + - 'You should not respond to this context unless it is highly relevant to your task.\n' + - '', - }); - return blocks; -} - -function uriToString(uri: URI): string { - return uri.scheme === 'file' ? uri.fsPath : uri.toString(); -} diff --git a/src/vs/platform/agentHost/node/claude/phase4-plan.md b/src/vs/platform/agentHost/node/claude/phase4-plan.md index 6cfdd0418e0f6a..8cb809378ccb6c 100644 --- a/src/vs/platform/agentHost/node/claude/phase4-plan.md +++ b/src/vs/platform/agentHost/node/claude/phase4-plan.md @@ -457,13 +457,13 @@ This is the proof Phase 4 actually ships. The unit tests prove the class is wire For Phase 4 specifically, the plan's per-phase table requires: -- [~] **Gate verified disabled:** _skipped for the Phase 4 PR — covered by the unit-level gate test in `claudeAgent.test.ts` and the env-var guard in `agentHostMain.ts`. Re-enable for Phase 5._ -- [x] **Gate verified enabled:** re-launched via `launch-smoke.sh` (which sets `VSCODE_AGENT_HOST_ENABLE_CLAUDE=1`); both providers register. See `registration.log` (`Registering agent provider: copilotcli` + `…: claude`). -- [x] At least one `claude:/` session URI appears in the IPC log after the user picks Claude. Captured: `claude:/e32d3567-9da7-41c4-a71a-57daa0a6cf46` in `claude-session-uris.log`. -- [x] The first user prompt surfaces `TODO: Phase 5` in the response area. Captured in `todo-phase5-error.png`. -- [x] Smoke artifacts captured under `/tmp/claude-phase4-smoke//`: `registration.log`, `auth.log`, `proxy.log`, `claude-models.log` (46 Claude models), `claude-session-uris.log`, `root-state.log`, `picker-open.png`, `todo-phase5-error.png`, `smoke-summary.log`. Attach the four required artifacts (`registration.log`, `picker-open.png`, `stub-error.png`/`todo-phase5-error.png`, `claude-session-uris.log`) to the PR. +- [ ] **Gate verified disabled:** launch the Agents app *without* the env var (and with the setting off) and confirm only `CopilotAgent registered` appears in `agenthost.log` — no `ClaudeAgent registered`, no `'claude'` provider in root state. +- [ ] **Gate verified enabled:** re-launch via `launch-smoke.sh` (which sets `VSCODE_AGENT_HOST_ENABLE_CLAUDE=1`) and confirm both providers register. +- [ ] At least one `claude:/` session URI appears in the IPC log after the user picks Claude (the session URI scheme is `claude:`, **not** `agent-host-claude:` — the longer form is the synced-customization namespace, observable separately). +- [ ] The first user prompt surfaces `TODO: Phase 5` in the response area. (`createSession` is the earliest stub on the path; `sendMessage` is reached only after `createSession` succeeds, which lands in Phase 5.) +- [ ] Attach `registration.log`, `picker-open.png`, `stub-error.png`, and `claude-session-uris.log` to the PR. -**Live-smoke completed: 2026-05-01.** All required Phase 4 invariants verified except the optional disabled-gate run (deferred — see above). +If any step in §7.8 fails, the PR is **not** ready regardless of whether §7.1–7.7 are green. ## 8. Resolved decisions diff --git a/src/vs/platform/agentHost/node/claude/phase5-plan.md b/src/vs/platform/agentHost/node/claude/phase5-plan.md deleted file mode 100644 index 9478ed302d6bba..00000000000000 --- a/src/vs/platform/agentHost/node/claude/phase5-plan.md +++ /dev/null @@ -1,560 +0,0 @@ -# Phase 5 Implementation Plan — `ClaudeAgent` session lifecycle - -> **Handoff plan** — written to be executed by an agent with no prior conversation context. All file paths and line citations are verified against the workspace at synthesis time. Cross-reference [roadmap.md](./roadmap.md) before committing exact phase numbers. - -## 1. Goal - -Replace the seven Phase-5 stubs in [claudeAgent.ts](claudeAgent.ts) (`createSession`, `disposeSession`, `getSessionMessages`, `listSessions`, `resolveSessionConfig`, `sessionConfigCompletions`, `shutdown`) with real implementations. **No live LLM traffic** in this phase — `sendMessage` stays a Phase-6 stub. The SDK's `query()` is **not** spawned in `createSession`. - -**Fork is explicitly out of scope.** SDK `forkSession` requires translating a protocol turn ID to an SDK event ID via `ClaudeAgentSession.getNextTurnEventId(...)`, which itself requires a live SDK session handle (CopilotAgent's reference at [`copilotAgent.ts:589-592`](../copilot/copilotAgent.ts#L589-L592) loads the source session via `_resumeSession` to do this). Phase 5 has no SDK session machinery, so the protocol-turn-ID → SDK-event-ID translation is structurally missing. Implementing fork on top of half-baked plumbing is the kind of corner-cutting that produces the latent bugs we're already trying to avoid in CopilotAgent. Phase 5 `createSession` therefore throws `TODO: Phase 6` when `config.fork` is set; Phase 6 picks up fork as part of its sendMessage / SDK-session work. - -**Exit criteria:** With the Phase-4 gate enabled, a workbench client can: - -1. Create a non-fork Claude session and receive a `claude:/` URI. -2. List sessions and see entries from this agent host AND externally-created Claude Code sessions (CLI, other clients). -3. Dispose a session cleanly without affecting external listings. -4. Shut down the agent host cleanly. -5. `createSession({ fork })` throws `TODO: Phase 6`. -6. The first `sendMessage` call still throws `TODO: Phase 6` (sendMessage is Phase 6, not Phase 5). - -## 2. Files to create / modify - -| Action | File | Purpose | -|---|---|---| -| **Create** | [claudeAgentSdkService.ts](claudeAgentSdkService.ts) | Lazy `@anthropic-ai/claude-agent-sdk` wrapper. Phase-5 surface: `listSessions`, `getSessionMessages`. **No `query()` yet, no `forkSession` yet — fork is Phase 6.** | -| **Create** | [claudeAgentSession.ts](claudeAgentSession.ts) | Per-session wrapper. Phase-5 fields: `sessionId`, `sessionUri`. `dispose()` is no-op-safe. Class grows in Phase 6 to hold `_query`, `_abortController`, etc. | -| **Modify** | [claudeAgent.ts](claudeAgent.ts) | Replace 7 stubs. Add `ISessionDataService` + `IClaudeAgentSdkService` DI. Add `_sessions: DisposableMap`, `_disposeSequencer: SequencerByKey`, `_shutdownPromise?: Promise`. | -| **Modify** | [../agentHostMain.ts](../agentHostMain.ts) | Register `IClaudeAgentSdkService` next to `IClaudeProxyService`. | -| **Modify** | [../agentHostServerMain.ts](../agentHostServerMain.ts) | Same registration as `agentHostMain.ts`. | -| **Modify** | [/package.json](../../../../../../package.json) | Add `@anthropic-ai/claude-agent-sdk` at version **`0.2.112`** (versions > 0.2.112 add native deps — out of scope until Phase 15 per [roadmap.md §15](roadmap.md)). | -| **Modify** | [/remote/package.json](../../../../../../remote/package.json) | Same dep — agent host runs in the remote bundle too. | -| **Modify** | [../../test/node/claudeAgent.test.ts](../../test/node/claudeAgent.test.ts) | Add `FakeClaudeAgentSdkService`. Replace stub-throw assertions for the 6 Phase-5-implemented methods with lifecycle cases (fork still throws). Add the mandatory cases in §5. | - -## 3. Implementation spec - -### 3.1 `IClaudeAgentSdkService` — lazy SDK wrapper - -Mirrors the lazy-import pattern at [`claudeCodeSdkService.ts:78-93`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeSdkService.ts#L78-L93). The agent host runs in Electron's utility process; the dynamic `import()` keeps the heavy SDK out of cold-start paths and isolates the native-deps boundary. - -```ts -export const IClaudeAgentSdkService = createDecorator('claudeAgentSdkService'); - -export interface IClaudeAgentSdkService { - readonly _serviceBrand: undefined; - listSessions(): Promise; - getSessionMessages(sessionId: string): Promise; - // forkSession added in Phase 6 — fork requires a live SDK session handle - // for protocol-turn-ID → SDK-event-ID translation; see §1. -} - -export class ClaudeAgentSdkService implements IClaudeAgentSdkService { - declare readonly _serviceBrand: undefined; - - constructor(@ILogService private readonly _logService: ILogService) { } - - /** - * Cached resolved module. We deliberately cache the *resolved* value, not - * the promise \u2014 if the dynamic import throws, the next call retries. - * Mirrors the convention in [`agentHostTerminalManager.ts:60-66`](../agentHostTerminalManager.ts#L60-L66) - * for `node-pty`. Retry cost is acceptable here because `listSessions()` - * is called per user action (workbench open, refresh), not in a polling - * loop. The first failure is logged via {@link _logFirstLoadFailure} so - * a corrupt `node_modules` shows up clearly without flooding logs. - */ - private _sdkModule: typeof import('@anthropic-ai/claude-agent-sdk') | undefined; - private _firstLoadFailureLogged = false; - - protected async _loadSdk(): Promise { - if (this._sdkModule) { - return this._sdkModule; - } - try { - this._sdkModule = await import('@anthropic-ai/claude-agent-sdk'); - return this._sdkModule; - } catch (err) { - if (!this._firstLoadFailureLogged) { - this._firstLoadFailureLogged = true; - this._logService.error('[ClaudeAgentSdkService] Failed to load @anthropic-ai/claude-agent-sdk; will retry on next call.', err); - } - throw err; - } - } - - async listSessions(): Promise { - const sdk = await this._loadSdk(); - return sdk.listSessions(undefined); - } - // getSessionMessages similarly -} -``` - -**Phase-5 surface only.** No `query()` export, no `forkSession` \u2014 those land in Phase 6. - -### 3.2 `ClaudeAgentSession` — per-session wrapper (minimal) - -Phase-5 fields are the bare minimum. The class grows substantially in Phase 6. - -```ts -export class ClaudeAgentSession extends Disposable { - constructor( - readonly sessionId: string, - readonly sessionUri: URI, - readonly workingDirectory: URI | undefined, - ) { - super(); - } - - // Phase 6 will add: _query, _abortController, _pendingPrompt, etc. - // For Phase 5, dispose() is the inherited no-op — nothing yet to tear down. -} -``` - -**Working-directory ownership.** The wrapper is the single in-memory source of truth for the session's working directory while live, mirroring CopilotAgent's pattern (`CopilotAgentSession` and `IProvisionalSession` both hold `workingDirectory` directly — see [`copilotAgent.ts:603-615`](../copilot/copilotAgent.ts#L603-L615)). Persistence flows through `setMetadata('claude.customizationDirectory', …)` on fork and (Phase 6) on first `sendMessage`; resume-from-disk reconstructs the wrapper from that metadata. Phase 5 marks the field `readonly` because pre-prompt drafts can't change folder mid-life; Phase 6 may convert it to a settable field when worktree materialization is introduced (the worktree URI replaces the original folder while the customization-directory metadata still anchors plugin discovery to the user's pick). - -This file exists in Phase 5 chiefly to nail down the import shape and DI boundary so Phase 6 is a pure-additive change. - -### 3.3 `ClaudeAgent` — DI updates and lifecycle methods - -Add three constructor deps, three private fields, and one metadata-key constant (Claude-namespaced, mirroring CopilotAgent's `_META_CUSTOMIZATION_DIRECTORY` at [`copilotAgent.ts:1304`](../copilot/copilotAgent.ts#L1304)): - -```ts -private static readonly _META_CUSTOMIZATION_DIRECTORY = 'claude.customizationDirectory'; - -constructor( - @ILogService private readonly _logService: ILogService, - @ICopilotApiService private readonly _copilotApiService: ICopilotApiService, - @IClaudeProxyService private readonly _claudeProxyService: IClaudeProxyService, - @ISessionDataService private readonly _sessionDataService: ISessionDataService, // NEW - @IClaudeAgentSdkService private readonly _sdkService: IClaudeAgentSdkService, // NEW -) { super(); } - -private readonly _sessions = this._register(new DisposableMap()); -private readonly _disposeSequencer = new SequencerByKey(); -private _shutdownPromise: Promise | undefined; -``` - -Both `agentHostMain.ts` and `agentHostServerMain.ts` use `instantiationService.createInstance(ClaudeAgent)` already — DI resolves the new deps automatically once they are registered (see §3.6). - -#### 3.3.1 `createSession` - -**Fork is deferred to Phase 6** (see §1). When `config.fork` is set, throw `Error('TODO: Phase 6: fork requires SDK session handle for protocol-turn-ID → SDK-event-ID translation')`. The non-fork path is in-memory only; no DB writes, no SDK calls. - -`AgentService.createSession` ([`agentService.ts:269-282`](../agentService.ts#L269-L282)) **already** builds `config.fork.turnIdMapping` from the source session's turns BEFORE calling `provider.createSession(config)`. Providers are consumers of the mapping, not authors. Phase 6 implementation will use this; Phase 5 ignores the field by virtue of throwing. - -**Post-PR #313841 invariant** (relevant for Phase 6 once fork lands): AgentService drops `config.fork` for sources with zero turns ([`agentService.ts:269-282`](../agentService.ts#L269-L282)) — a forkless source is indistinguishable from a fresh session, so the call falls through to the non-fork path. Phase 6's fork branch will therefore be guaranteed `config.fork.session` has ≥ 1 turn and `config.fork.turnIdMapping` is non-empty. - -```ts -async createSession(config: IAgentCreateSessionConfig): Promise { - if (config.fork) { - // Fork requires translating `config.fork.turnId` (a protocol turn ID) - // to an SDK event ID via the live source SDK session handle. Phase 5 - // has no SDK session machinery, so the translation is structurally - // unavailable. Phase 6 picks this up alongside sendMessage by - // resuming the source via `_resumeSession` and calling - // `getNextTurnEventId(...)` (mirrors CopilotAgent at - // copilotAgent.ts:589-592). - throw new Error('TODO: Phase 6: fork requires SDK session handle'); - } - - // Non-fork path: in-memory only. Mirrors Claude Code's "no message → no session" - // semantic. First sendMessage (Phase 6) writes the SDK session record and - // metadata. AgentService now eagerly creates sessions on folder-pick (PR #313841) - // and arms a 30s GC that calls disposeSession if the user abandons the - // new-chat view; for an empty Claude session that's a cheap in-memory drop - // because nothing has been persisted yet. Note: we do NOT set - // `provisional: true` on the result — that opt-in would defer - // `sessionAdded` until ClaudeAgent fires `onDidMaterializeSession`, but - // Phase 5 has no SDK session to materialize. Returning without - // `provisional` makes AgentService dispatch `SessionReady` immediately - // (the desired behaviour for Claude until Phase 6 introduces real - // materialization work). - const sessionId = generateUuid(); - const sessionUri = AgentSession.uri(this.id, sessionId); - const session = new ClaudeAgentSession(sessionId, sessionUri, config.workingDirectory); - this._sessions.set(sessionId, session); - return { session: sessionUri, workingDirectory: config.workingDirectory }; -} -``` - -Note: `IAgentCreateSessionConfig` carries `workingDirectory?: URI` — there is no `customizationDirectory` field on the config. The customization directory is the user-picked folder (Claude doesn't materialize a worktree until Phase 6 / Phase 15), so `config.workingDirectory` is the right source for both purposes in Phase 5. The return type is `IAgentCreateSessionResult` ([`agentService.ts:124-145`](../../common/agentService.ts#L124-L145)); we populate `session` and `workingDirectory` and intentionally omit `provisional`. - -#### 3.3.2 `listSessions` - -**SDK is source of truth.** Per-session DB is overlay/cache only. External Claude Code sessions (CLI, other clients) MUST surface — that's a Phase-5 exit criterion. - -CopilotAgent's pattern at `copilotAgent.ts:519-541` has a latent bug: `Promise.all` over fan-out reads where any rejection drops the whole listing. ClaudeAgent must follow the resilient pattern at [`agentService.ts:188-204`](../../common/agentService.ts#L188-L204) — each iteration wraps its own try/catch and returns the SDK-provided entry on failure. - -```ts -async listSessions(): Promise { - const sdkEntries = await this._sdkService.listSessions(); - return Promise.all(sdkEntries.map(async entry => { - // Per-session DB overlay. Failure here NEVER excludes the session. - try { - const sessionUri = AgentSession.uri(this.id, entry.sessionId); - const dbRef = await this._sessionDataService.tryOpenDatabase(sessionUri); - if (dbRef) { - try { - const customizationDirectory = await dbRef.object.getMetadata( - ClaudeAgent._META_CUSTOMIZATION_DIRECTORY, - ); - return this._toAgentSessionMetadata(entry, { customizationDirectory }); - } finally { - dbRef.dispose(); - } - } - } catch (err) { - this._logService.warn(err, `[Claude] Overlay read failed for session ${entry.sessionId}`); - } - // External session, or DB read failed: surface what the SDK gave us. - return this._toAgentSessionMetadata(entry, {}); - })); -} -``` - -**No filter** like CopilotAgent's `if (!metadata) return undefined` at `copilotAgent.ts:521-523`. That filter is what hides external sessions today; ClaudeAgent doesn't reproduce it. Title / isRead / isArchived / diffs decoration is already handled generically by [`AgentService.listSessions`](../../common/agentService.ts#L188-L204). - -**No `dir` scoping.** `IAgent.listSessions()` has no `dir` parameter ([`agentService.ts:467`](../../common/agentService.ts#L467)) and `IClaudeAgentSdkService.listSessions()` mirrors that surface. The SDK service translates this to `sdk.listSessions(undefined)` internally — the host doesn't expose `dir` plumbing. If/when `IAgent` grows an optional `dir`, the SDK service surface grows in lockstep. - -#### 3.3.3 `getSessionMessages` - -```ts -async getSessionMessages(_session: URI): Promise { - return []; // Phase 13 owns full transcript reconstruction. -} -``` - -A code comment must reference Phase 13 explicitly so future readers don't silently fill this in. - -#### 3.3.4 `disposeSession` - -Sequencer-serialized. Removes the wrapper from `_sessions`. Does **NOT** delete the SDK session, does **NOT** delete the DB — Phase 13 owns deletion. - -```ts -disposeSession(session: URI): Promise { - const sessionId = AgentSession.id(session); - return this._disposeSequencer.queue(sessionId, async () => { - this._sessions.deleteAndDispose(sessionId); // safe if missing - }); -} -``` - -#### 3.3.5 `resolveSessionConfig` / `sessionConfigCompletions` - -Decision **B5** from the planning conversation: Claude-native single-axis schema. The platform `Mode`/`AutoApprove` keys are subsumed by `permissionMode`. The `Permissions` key is reused from `platformSessionSchema` because Claude SDK accepts `allowedTools` / `disallowedTools` natively, so the platform key is a faithful representation. - -Add a new file [../../common/claudeSessionConfigKeys.ts](../../common/claudeSessionConfigKeys.ts): - -```ts -export const enum ClaudeSessionConfigKey { - PermissionMode = 'permissionMode', -} -``` - -Implementation: - -```ts -async resolveSessionConfig(_session: URI | undefined): Promise { - const sessionSchema = createSchema({ - [ClaudeSessionConfigKey.PermissionMode]: schemaProperty({ - type: 'string', - title: localize('claude.sessionConfig.permissionMode', "Approvals"), - description: localize('claude.sessionConfig.permissionModeDescription', "How Claude handles tool approvals."), - enum: ['default', 'acceptEdits', 'bypassPermissions', 'plan'], - enumLabels: [ - localize('claude.sessionConfig.permissionMode.default', "Ask Each Time"), - localize('claude.sessionConfig.permissionMode.acceptEdits', "Auto-Approve Edits"), - localize('claude.sessionConfig.permissionMode.bypassPermissions', "Bypass Approvals"), - localize('claude.sessionConfig.permissionMode.plan', "Plan Only (Read-Only)"), - ], - enumDescriptions: [ - localize('claude.sessionConfig.permissionMode.defaultDescription', "Prompt for every tool call."), - localize('claude.sessionConfig.permissionMode.acceptEditsDescription', "Auto-approve file edits; prompt for shell and other tools."), - localize('claude.sessionConfig.permissionMode.bypassPermissionsDescription', "Auto-approve every tool call."), - localize('claude.sessionConfig.permissionMode.planDescription', "Read-only research mode; no tool calls executed."), - ], - default: 'default', - sessionMutable: true, - }), - [SessionConfigKey.Permissions]: platformSessionSchema.definition[SessionConfigKey.Permissions], - }); - return { - schema: sessionSchema, - values: { /* defaults applied by the caller via schema.default */ }, - }; -} - -async sessionConfigCompletions(_session: URI | undefined, _property: string, _query: string): Promise { - return { items: [] }; // permissionMode is enum; no dynamic completion needed -} -``` - -**Skipped keys:** -- `SessionConfigKey.AutoApprove`, `SessionConfigKey.Mode` — subsumed by `permissionMode`. -- `SessionConfigKey.Isolation`, `Branch`, `BranchNameHint` — deferred to Phase 6 prerequisite (§8 worktree-extraction note). - -**Why this works for the workbench UI** (verified live): -- [`AgentHostModePicker`](../../../../../sessions/contrib/chat/browser/agentHost/agentHostModePicker.ts#L128-L141) renders nothing when `schema.properties[Mode]` is absent or fails `isWellKnownModeSchema()`. Claude sessions don't show a mode picker — the right behavior. -- [`AgentHostSessionConfigPicker`](../../../../../sessions/contrib/chat/browser/agentHost/agentHostSessionConfigPicker.ts#L326) is the generic per-property fallback. It renders a dropdown for any string-enum property in the schema. **`permissionMode` gets a dropdown for free, no workbench changes needed.** -- The pre-existing `ClaudePermissionModePicker` (`src/vs/sessions/contrib/copilotChatSessions/browser/claudePermissionModePicker.ts`) is for **extension-based** Claude (`CopilotChatSessionsProvider`), not agent-host Claude. The two coexist via `when` clauses. Eventually the extension picker should be deleted in favor of the generic schema-driven path; that cleanup is documented as tech debt in `COPILOT_CHAT_SESSIONS_PROVIDER.md:157` and is out of scope for Phase 5. - -#### 3.3.6 `shutdown` and `dispose` - -Memoized idempotent shutdown. Mirrors CopilotAgent's pattern at [`copilotAgent.ts:1057-1068`](../copilot/copilotAgent.ts#L1057-L1068). - -```ts -shutdown(): Promise { - this._shutdownPromise ??= (async () => { - // Phase 6+ INVARIANT: SDK Query subprocesses MUST be aborted before - // disposing the proxy handle, AND any in-flight createSession / - // sendMessage I/O must be drained first. Phase 5 has no Query - // objects and no async createSession path (fork is Phase 6), so the - // _sessions map only holds in-memory wrappers — disposal here is - // sequencing for Phase 6, not real teardown work. Phase 6 will - // introduce `_inFlightCreates: Set>` and prepend - // `await Promise.allSettled([...this._inFlightCreates])` to this - // body when fork + sendMessage materialization land. - // - // Per-session teardown goes through `_disposeSequencer` so a - // concurrent `disposeSession(uri)` already in flight is awaited - // before shutdown reuses the same key. In Phase 5 the queued work - // is synchronous, so the sequencer is mostly a no-op; the routing - // matters in Phase 6 when teardown grows real async work (Query - // abort, in-flight metadata writes). - const sessionIds = [...this._sessions.keys()]; - await Promise.all(sessionIds.map(sessionId => - this._disposeSequencer.queue(sessionId, async () => { - this._sessions.deleteAndDispose(sessionId); - }) - )); - })(); - return this._shutdownPromise; -} - -override async dispose(): Promise { - await this.shutdown(); // ordered: drain sessions - this._proxyHandle?.dispose(); // then release proxy refcount - this._proxyHandle = undefined; - this._githubToken = undefined; - this._models.set([], undefined); - super.dispose(); -} -``` - -The `await shutdown(); _proxyHandle?.dispose();` ordering preserves the Phase-4 invariant comment at `claudeAgent.ts:241-248`. **In Phase 6 this becomes load-bearing** — Query subprocesses talk to the proxy and must die first. - -### 3.4 DI registration - -Both `agentHostMain.ts` and `agentHostServerMain.ts` already register `ICopilotApiService` and `IClaudeProxyService`. Add `IClaudeAgentSdkService` next to `IClaudeProxyService` in **both** files: - -```ts -const claudeAgentSdkService = disposables.add(instantiationService.createInstance(ClaudeAgentSdkService)); -diServices.set(IClaudeAgentSdkService, claudeAgentSdkService); -``` - -If `ClaudeAgentSdkService` doesn't need disposal (no held resources beyond the lazy SDK module reference), the `disposables.add()` wrapper is still the right call \u2014 the codebase convention at [`agentHostMain.ts:112`](../agentHostMain.ts#L112) wraps `ClaudeProxyService` unconditionally even when there's nothing meaningful to release. Symmetry over micro-optimization. - -### 3.5 No subagent parsing in Phase 5 - -`parseSubagentSessionUri` and the `subagentOf` URI authority are explicitly **deferred to Phase 12**. ClaudeAgent's session URIs in Phase 5 are flat: `claude:/`. - -`listSessions` is safe to use unfiltered: the SDK's `listSessions(_options?)` only enumerates top-level sessions by filesystem layout convention. Subagent transcripts live in a nested `subagents/agent-.jsonl` directory inside the parent session's storage and are only reachable through the separate `listSubagents(sessionId)` API (Phase 12+). The returned `SDKSessionInfo` shape carries no parent/subagent discriminator field, so filtering at this layer would be impossible regardless — but it isn't needed. Verified against `@anthropic-ai/claude-agent-sdk@0.2.112`'s `sdk.d.ts`. - -### 3.6 No `IClaudeSessionTranscriptStore` seam - -The roadmap originally proposed introducing `IClaudeSessionTranscriptStore` in Phase 5 as a seam for the future hybrid (SDK + `sessionStore` alpha) implementation. **Deferred to Phase 13** by 2-of-3 reviewer consensus — the seam is dead code today and Phase 13 (transcript reconstruction) is the natural place to introduce it. `getSessionMessages` returns `[]` directly in Phase 5. - -## 4. Persistence model (the load-bearing decision) - -| Source | Owns | Phase 5 reads | Phase 5 writes | -|---|---|---|---| -| **SDK** (`@anthropic-ai/claude-agent-sdk` JSONL on disk) | Session existence, transcripts, last-modified | `listSessions` | None — fork (which would write) is Phase 6 | -| **Per-session DB** (`ISessionDataService.openDatabase(uri)`) | Overlay/cache: `customizationDirectory` (Claude-namespaced), project info | `listSessions` (overlay only) | None in Phase 5 — fork's `vacuumInto`/`remapTurnIds`/`setMetadata` and sendMessage's metadata write are both Phase 6 | -| **In-memory `_sessions` map** | Active wrapper objects, dispose lifecycle | `disposeSession` | `createSession` (non-fork) | - -**Three rules:** - -1. **Non-fork `createSession` does NOT touch disk.** First `sendMessage` (Phase 6) writes the SDK session record. Pre-prompt drafts that the user abandons (workspace switch, new-chat close) are GC'd by AgentService 30 s after the last subscriber drops via `disposeSession` (PR #313841, [`agentService.ts SESSION_GC_GRACE_MS`](../agentService.ts)) — for Claude this is a cheap in-memory wrapper drop because no DB row exists yet. -2. **Fork `createSession` is unimplemented in Phase 5** (throws `TODO: Phase 6`). Phase 6 will add the vacuum + remap + setMetadata pipeline alongside the SDK-session machinery that translates protocol turn IDs to SDK event IDs. The DB schema and metadata key (`'claude.customizationDirectory'`) are reserved for Phase 6's use. -3. **`listSessions` never excludes a session because of DB read failure.** The SDK is the source of truth; the DB is decoration. - -## 5. Test file spec - -Modify [`../../test/node/claudeAgent.test.ts`](../../test/node/claudeAgent.test.ts). The existing 14 Phase-4 cases stay; replace the stub-throw assertions for the 6 Phase-5-implemented methods (fork still throws, kept) and add the new lifecycle cases below. - -**New fakes:** - -- `FakeClaudeAgentSdkService` implementing `IClaudeAgentSdkService` (Phase-5 surface: `listSessions` + `getSessionMessages` only). Configurable `_sessionList: SDKSessionInfo[]`. Track call counts for verification. -- Reuse [`createNullSessionDataService()`](../../test/common/sessionTestHelpers.ts) (in-memory variant) — extend it inline in the test file if a richer fake is needed (e.g. to simulate a corrupt DB by having `tryOpenDatabase` reject for one specific sessionId). -- `RecordingLogService extends NullLogService` — overrides `error(...)` to push the args into a public `errorCalls: unknown[][]` array. Used by test 11 to assert the log-once contract on `_loadSdk` failures. -- `TestableClaudeAgentSdkService extends ClaudeAgentSdkService` — overrides the protected `_loadSdk()` method to throw on demand (controlled by a public `failNext: boolean` flag). Used by test 11 to simulate dynamic-import failure without touching `node_modules`. - -**Mandatory cases** (use `assert.deepStrictEqual` for snapshot-style assertions per repo guideline): - -1. **`createSession` non-fork — no DB writes, no SDK calls.** Returns `claude:/` URI; UUID is host-minted (`generateUuid()` shape). Assert via fakes that **none of `openDatabase`, `tryOpenDatabase`, or any `IClaudeAgentSdkService` method was called.** -2. **`createSession({ fork })` throws `TODO: Phase 6`.** With `config.fork = { session, turnId, turnIndex, turnIdMapping }` set, `createSession` rejects with an error whose message contains `"Phase 6"`. Assert no entry was added to `_sessions`, no DB was opened, and no SDK call was made. -3. **`listSessions` returns SDK entries decorated with overlay.** Two SDK sessions: one has a local DB with `customizationDirectory: '/foo'`, one doesn't. Assert both surface; only the first carries the overlay value. -4. **`listSessions` includes external sessions.** Sessions surfaced by the SDK that have no local DB at all (external Claude Code CLI sessions) MUST appear in the result with whatever fields the SDK provided. -5. **`listSessions` resilience: corrupt-DB does not poison the listing.** Three SDK sessions; fake `tryOpenDatabase` rejects for one specific sessionId. Result still has all three entries (the corrupt one falls back to the SDK-only entry, not undefined). -6. **`getSessionMessages` returns `[]`** — comment in test cites Phase 13. -7. **`disposeSession` removes from `_sessions`, leaves SDK + DB alone.** Subsequent `listSessions` (still driven by SDK) shows the session — `dispose` is a wrapper-removal, not a deletion. -8. **`disposeSession` is safe for unknown sessionId** — no-op, no throw. -9. **`shutdown` is idempotent** — call twice in parallel; second call returns the same memoized promise; no double-iteration over `_sessions`. -10. **`dispose` ordering: shutdown then proxy.** Use a sentinel proxy handle whose `dispose()` records a timestamp; after `agent.dispose()`, assert the recorded shutdown completion strictly precedes the proxy disposal. -11. **`ClaudeAgentSdkService` log-once-on-failure.** Construct a `TestableClaudeAgentSdkService` with `failNext = true` and a `RecordingLogService`. Call `listSessions()` twice in sequence; both calls reject. Assert `recordingLogService.errorCalls.length === 1` (NOT 2). Then set `failNext = false` and resolve `_sdkModule` to a stub returning `[]`; `listSessions()` resolves and `errorCalls.length` stays at 1 (success doesn't re-log). This locks the contract that diagnosis logs aren't spammy. -12. **`shutdown` and `disposeSession` share the dispose sequencer (Phase-6 race guard).** Inject a `ClaudeAgentSession` subclass whose `dispose()` increments a per-instance `disposeCount` and (optionally) awaits a deferred to slow teardown to a controllable scale. Create two sessions, fire `agent.disposeSession(s1)` and `agent.shutdown()` without awaiting either, then resolve all deferreds. Assert each wrapper's `disposeCount === 1` (NOT 2 — no double-dispose). Assert `_sessions` is empty afterwards. The test passes trivially in Phase 5 (sync dispose), but locks the contract so Phase 6's real async teardown can't regress. - -**Resolved-config cases** (replace existing stub-throw assertions): - -13. **`resolveSessionConfig`** returns a schema with `permissionMode` (4-value enum) and `Permissions` (the platform key), and **no other** properties. Snapshot-compare the schema definition. -14. **`sessionConfigCompletions`** returns `{ items: [] }` for any property/query. - -Use `ensureNoDisposablesAreLeakedInTestSuite()` at the top of the suite (already there from Phase 4). - -## 6. Risks / gotchas - -| Risk | Mitigation | -|---|---| -| `@anthropic-ai/claude-agent-sdk@0.2.112` may pull native deps via postinstall. | After `npm install`, run `npm ls @anthropic-ai/claude-agent-sdk`. Verify pure-JS shape — no `node-gyp` rebuilds, no platform-specific binary downloads. If 0.2.112 has native steps, escalate before merging Phase 5; the roadmap's Phase 15 boundary (versions > 0.2.112 add native deps) implies 0.2.112 itself is clean, but verify. | -| Lazy `import('@anthropic-ai/claude-agent-sdk')` in a utility process Node context. | Extension uses the same pattern; agent host runs in Electron's utility process. Validate with the live smoke (§7.6) before declaring done. Low risk but a real failure mode. | -| SDK dynamic-import fails (corrupt `node_modules`, postinstall failure). | `_loadSdk` caches the resolved module on success and retries on failure (matches `agentHostTerminalManager.ts` node-pty pattern). First failure is logged once via `ILogService.error` so it's diagnosable; subsequent failures retry silently. `listSessions` is per user action, not a polling loop, so retry storms aren't a concern. | -| `Promise.all` over fan-out reads silently corrupts `listSessions`. | §3.3.2 inner-try/catch pattern. Test 5 codifies the invariant. **Do not copy CopilotAgent's structure verbatim — it has the bug.** | -| `disposeSession` race with concurrent `listSessions` reading `_sessions`. | `_disposeSequencer.queue(sessionId, ...)` serializes per-session teardown. `listSessions` reads from the SDK, not `_sessions`, so the race is moot in practice — but the sequencer matters in Phase 6 when teardown also aborts a `Query`. | -| `disposeSession(uri)` racing concurrent `shutdown()` could double-dispose the same wrapper in Phase 6. | `shutdown()` routes per-session teardown through the same `_disposeSequencer` that `disposeSession` uses, so an in-flight per-session call is awaited before shutdown disposes the same key. Phase 5 dispose is synchronous so the race is benign, but the routing is locked in now so Phase 6's real async teardown (`Query` abort, in-flight metadata writes) inherits the serialization for free. Test 12 codifies the contract. | -| Fork is unimplemented in Phase 5; workbench may attempt to fork. | `createSession({ fork })` throws `TODO: Phase 6`; the workbench surfaces this as a session-creation error. UX impact: "Restart from here" / similar fork triggers will fail visibly when targeting a Claude session. Acceptable because (a) Phase 5 is gated behind a setting and an env var, (b) Phase 6 closes the gap. Test 10 codifies the throw. | -| Phase-6 `dispose` order silently regressed. | Test 10 (sentinel-timestamp) catches inversion. Comment block at the top of `dispose()` cites the invariant. | -| Pre-prompt drafts disappear when the user abandons new-chat. | Intentional. Per PR #313841, AgentService eagerly creates the session on folder-pick and arms a 30 s GC timer that fires `disposeSession` if the last subscriber drops while the session has zero turns. For Claude that means createSession + disposeSession is silently exercised every time a user opens new-chat and walks away — both must be cheap. The non-fork path is in-memory only and Phase-6 disposeSession will be a wrapper drop, so this is fine. Test 1 codifies the no-DB-write invariant. | -| `createSession` and `disposeSession` are now hot paths (folder-pick + 30 s GC). | Phase 5 createSession is in-memory for the only implemented case (non-fork) → cheap. Phase 6 disposeSession must stay cheap; if Claude later needs heavier setup at create time we can opt into the `provisional`/`onDidMaterializeSession` pattern (PR #313841) instead of paying it eagerly. | -| External-session UI rendering: `SDKSessionInfo` may not include `cwd` / `workingDirectory`. | Phase 5 surfaces what the SDK gives us. If the chat UI needs `cwd` to render a sensible label, Phase 13 (transcript reconstruction) will add JSONL-derived enrichment. Not a Phase-5 blocker. | -| `IAgent.listSessions()` has no `dir` parameter. | `IClaudeAgentSdkService.listSessions()` mirrors the surface (no `dir` parameter). Internally it calls `sdk.listSessions(undefined)`. Future enhancement if/when `IAgent` gains an optional `dir`. | -| Workbench UI lacks a permission-mode picker for Claude sessions. | The generic `AgentHostSessionConfigPicker` auto-renders any string-enum property. Verified live (§3.3.5). No workbench code changes needed in Phase 5. | -| Both `agentHostMain.ts` and `agentHostServerMain.ts` need the new SDK service registration. | §3.4 lists both. Forgetting `agentHostServerMain.ts` causes server-mode crashes the same way Phase 4 missed it. | - -## 7. Acceptance criteria - -The PR is **done** when every box below is checked. Run them in order — earlier failures invalidate later checks. - -### 7.1 Code structure - -- [ ] [claudeAgentSdkService.ts](claudeAgentSdkService.ts) exports `IClaudeAgentSdkService` decorator + `ClaudeAgentSdkService` impl. Lazy SDK module load (cached on success, retries on failure, logs first failure once — mirrors `agentHostTerminalManager.ts` node-pty pattern). Phase-5 surface only (`listSessions`, `getSessionMessages` — no `forkSession`, no `query()`). -- [ ] [claudeAgentSession.ts](claudeAgentSession.ts) exports `ClaudeAgentSession extends Disposable` with `sessionId`, `sessionUri`, `workingDirectory` fields. No `_query` / `_abortController` yet. -- [ ] [claudeAgent.ts](claudeAgent.ts) constructor adds `@ISessionDataService` + `@IClaudeAgentSdkService`. Class adds `_sessions: DisposableMap`, `_disposeSequencer: SequencerByKey`, `_shutdownPromise?: Promise`. -- [ ] All 7 Phase-5 stubs are real implementations or, in the case of `createSession` with `config.fork`, throw `TODO: Phase 6`. None throw `TODO: Phase 5`. -- [ ] Phase-6+ stubs (`sendMessage`, `respondToPermissionRequest`, etc.) still throw `TODO: Phase N`. -- [ ] `dispose()` order is `await shutdown(); _proxyHandle?.dispose(); super.dispose();` with a comment citing the Phase-6 invariant. -- [ ] Microsoft copyright header on every new file. -- [ ] No `as any` / `as unknown as Foo` casts in test or production code. - -### 7.2 Schema & DI - -- [ ] [../../common/claudeSessionConfigKeys.ts](../../common/claudeSessionConfigKeys.ts) exists exporting `ClaudeSessionConfigKey.PermissionMode = 'permissionMode'`. -- [ ] `resolveSessionConfig` returns ONLY `permissionMode` + reused `Permissions` from `platformSessionSchema`. No `AutoApprove`, no `Mode`, no `Isolation`, no `Branch`, no `BranchNameHint`. -- [ ] Both `agentHostMain.ts` AND `agentHostServerMain.ts` register `IClaudeAgentSdkService` next to `IClaudeProxyService`. - -### 7.3 Persistence invariants (assert in tests) - -- [ ] Non-fork `createSession` does NOT call `ISessionDataService.openDatabase` or `tryOpenDatabase`, and does NOT call any `IClaudeAgentSdkService` method. -- [ ] `createSession({ fork })` rejects with a `TODO: Phase 6` error and produces no side effects (no `_sessions` entry, no DB call, no SDK call). -- [ ] `listSessions` returns one entry per SDK session, including those with no local DB. -- [ ] `listSessions` is resilient to single-DB-read failure (no `Promise.all`-over-throwables corruption). - -### 7.4 Compile + lint + layers - -- [ ] `VS Code - Build` task shows zero TypeScript errors. If task is unavailable, `npm run compile-check-ts-native` exits 0. -- [ ] `npm run eslint -- src/vs/platform/agentHost/node/claude src/vs/platform/agentHost/test/node/claudeAgent.test.ts` exits 0. -- [ ] `npm run valid-layers-check` exits 0. -- [ ] `npm run hygiene` exits 0. -- [ ] `npm ls @anthropic-ai/claude-agent-sdk` shows exactly `0.2.112`, no native build steps in the install log. - -### 7.5 Tests - -- [ ] All 14 Phase-4 cases still pass. -- [ ] All 14 new cases from §5 pass. -- [ ] `scripts/test.sh --grep ClaudeAgent` exits 0. -- [ ] `ensureNoDisposablesAreLeakedInTestSuite()` is at the top of the suite (preserved from Phase 4). - -### 7.6 Live-system smoke (mandatory before merging) - -Follow the Phase-4 smoke harness ([smoke.md](smoke.md), [scripts/launch-smoke.sh](scripts/launch-smoke.sh)). Phase-5 additions: - -- [ ] **Disabled-gate run executed** (deferred for Phase 4 per [phase4-plan.md §7.8](phase4-plan.md); re-required for Phase 5). With `chat.agentHost.claudeAgent.enabled: false` and no env var, the workbench shows only `'copilotcli'` in root state. -- [ ] **Enabled-gate run.** Pick Claude in the picker; observe `claude:/` in the IPC log (same evidence shape as Phase 4 — but now `createSession` succeeded for real, not via TODO). -- [ ] **First user prompt now surfaces `TODO: Phase 6`**, not `TODO: Phase 5`. Capture the response error. -- [ ] **External-session visibility.** With Claude Code CLI sessions present in `~/.claude/sessions/` (or whatever the SDK uses on the smoke machine), they appear in the workbench session list alongside agent-host-created ones. If the smoke machine has none, create one out-of-band via `claude-code` CLI, then verify it surfaces. -- [ ] **Clean shutdown.** Kill the agent host process; logs show no unhandled rejection from a hung `Query` (there is no Query yet — but `shutdown()` should run its memoized promise to completion). -- [ ] **Empty-session GC (PR #313841).** Open new-chat against Claude, pick the folder, optionally pick a model, then close the new-chat view without sending a message. Within ~30 s the agent host log shows `GC: disposing empty unsubscribed session claude:/` and ClaudeAgent's `disposeSession` runs cleanly (no DB file written, no thrown errors, `_sessions` no longer contains the entry). -- [ ] Smoke artifacts saved under `/tmp/claude-phase5-smoke//`: `registration.log`, `disabled-gate.log`, `claude-session-uris.log`, `external-session.log`, `todo-phase6-error.png`, `shutdown.log`, `empty-session-gc.log`. - -### 7.7 PR readiness - -- [ ] PR title: `agentHost/claude: Phase 5 — session lifecycle`. -- [ ] PR description links to [roadmap.md](roadmap.md) Phase 5 and to this plan; notes that exit criteria are met. -- [ ] PR description lists the 7 implemented stubs + the 9 still-stubbed methods + their target phase as a table. -- [ ] PR description calls out the Phase-6 contract notes (worktree-extraction prerequisite, `canUseTool` consumes `permissionMode` + `Permissions` directly — see §8). -- [ ] PR is opened as draft until the build passes; promote when green. - -### 7.8 What to do if a step fails - -| Failure | Likely cause | First debugging step | -|---|---|---| -| `npm ls` shows native build steps | SDK version drifted to > 0.2.112 | Pin to exact `0.2.112` (no caret) in both root and `remote/` `package.json`. | -| `Cannot find module '@anthropic-ai/claude-agent-sdk'` from a utility process | Lazy import resolved against the wrong root | Verify `agentHostMain.ts` was bundled with the SDK in `node_modules` reachable from the utility process working directory. Check `agentHostServerMain.ts` similarly. | -| `valid-layers-check` fails | Imported a workbench/sessions symbol from `vs/platform/agentHost/` | Only `vs/base`, `vs/platform`, `vs/typings` allowed. The Claude permission-mode picker is workbench-side and must NOT be referenced from the platform layer. | -| Test 5 (corrupt-DB resilience) flakes | Used `Promise.all` instead of `await Promise.all(map(async ... try/catch))` | Inline-try/catch pattern from `agentService.ts:188-204`, NOT the bulk-`Promise.all` from `copilotAgent.ts:519-541`. | -| Test 10 (dispose ordering) fails | `dispose()` body called `_proxyHandle?.dispose()` before awaiting `shutdown()` | Reorder. The `await` matters — fire-and-forget breaks Phase 6. | -| `listSessions` test surfaces zero entries when SDK returns three | Filter inadvertently introduced (e.g. `if (!metadata) return undefined`) | Remove. SDK is source of truth; filter excludes external sessions. | -| Live smoke shows external Claude Code sessions but agent-host-created ones disappear after restart | Non-fork `createSession` is writing partial DB rows | Verify `openDatabase` is NOT called in the non-fork path. The "disappears after restart" symptom is the correct behavior for Phase 5 — pre-prompt drafts don't persist. | -| Live smoke shows `TODO: Phase 5` instead of `TODO: Phase 6` after first prompt | One of the seven Phase-5 methods still throws | Grep `TODO: Phase 5` in `claudeAgent.ts`; remaining hits are bugs. | - -## 8. Phase-6 contract notes (record now, implement then) - -These are decisions Phase 5 locks down so Phase 6 is a pure-additive change. They don't ship code in Phase 5 but they bind the schema and the lifecycle. - -**Permission-mode resolution helper (Phase 6 will add this method):** - -```ts -// src/vs/platform/agentHost/node/claude/claudeAgent.ts (Phase 6) -private _resolveClaudePermissionMode(sessionUri: URI): PermissionMode { - // Read the session's permissionMode value; fall back to schema default. - // canUseTool callback consumes BOTH this and the Permissions key directly — - // NO translation table, NO mapping. Single source of truth. - const mode = this._configurationService.getEffectiveValue( - sessionUri.toString(), claudeSessionSchema, ClaudeSessionConfigKey.PermissionMode); - return isPermissionMode(mode) ? mode : 'default'; -} -``` - -Phase 6's `canUseTool` reads `permissionMode` + `Permissions` directly. **NO `AutoApprove`-to-`permissionMode` translation helper.** Each provider owns its own permission semantics; the platform schema doesn't impose one. - -**Phase-6 prerequisite — extract `IAgentWorktreeService`:** - -`Isolation`, `Branch`, `BranchNameHint`, and `_resolveSessionProject` are about computing the cwd the agent runs in (possibly creating a git worktree, possibly resolving project info from cwd). All of this is provider-agnostic by nature. Today it lives inside `CopilotAgent`: - -- Worktree metadata: [copilot/copilotAgent.ts:1263-1325](../copilot/copilotAgent.ts#L1263-L1325) -- Project resolution: [copilot/copilotAgent.ts:521](../copilot/copilotAgent.ts#L521) (`_resolveSessionProject`) - -Claude needs the same semantic but advertising those keys without a backing implementation ships a UI lie. **Phase 6 (or a separate prerequisite PR) extracts `IAgentWorktreeService`** to the platform layer and updates both providers to consume it. Both providers then advertise `Isolation`/`Branch`/`BranchNameHint` in their schemas. - -**Cross-cutting principle to record in [CONTEXT.md](CONTEXT.md):** when Claude needs a "platform" capability that's actually living inside CopilotAgent, the right fix is to **lift it into the platform**, not duplicate it. Applies to worktrees, project resolution, and likely more as we cross into Phase 7+. - -## 9. Resolved decisions - -**Why is `listSessions` not gated on local-DB existence?** -The SDK is source of truth. CopilotAgent's pattern at `copilotAgent.ts:521-523` filters out sessions without local metadata, which has the side effect of hiding externally-created Claude Code sessions (CLI, Cursor, etc.). That's exactly the population the Phase-5 exit criterion calls out. The DB is overlay/cache only. - -**Why does non-fork `createSession` skip the DB write?** -Mirrors Claude Code's "no message → no session" semantic. Pre-prompt drafts are in-memory only; first `sendMessage` (Phase 6) writes the SDK session record. Avoids phantom DB rows when users open the picker, hesitate, and quit without sending. The cost — drafts evaporate on app close — is acceptable and matches the SDK's own behavior. - -**Why is the schema Claude-native (`permissionMode`) instead of platform-conforming (`AutoApprove` + `Mode`)?** -Decision **B5**. The `SessionConfigKey` doc-comment at [`sessionConfigKeys.ts:6-15`](../../common/sessionConfigKeys.ts) splits keys into platform-consumed (`AutoApprove`, `Permissions`, `Mode`) and client-convention (`Isolation`, `Branch`, `BranchNameHint`). But [`SessionPermissionManager`](../../common/sessionPermissions.ts#L117-L167) — the only reader of `AutoApprove` — fires only from Copilot SDK `pending_confirmation` signals. Claude SDK invokes `canUseTool` **directly** before each call, completely independent of platform gating. So `AutoApprove` is effectively a Copilot-private knob; Claude has no obligation to advertise it. The `permissionMode` enum (4 values) collapses what Copilot expresses as 2 axes (`AutoApprove` × `Mode`) into Claude's native single axis. Workbench UI is schema-driven and adapts automatically (§3.3.5). - -**Why is `turnIdMapping` consumed but not built by `ClaudeAgent.createSession`?** -[`AgentService.createSession`](../../common/agentService.ts#L252-L264) **already** builds `turnIdMapping` from the source session's turns BEFORE calling `provider.createSession(config)`. Providers are consumers, not authors. CopilotAgent's older inline-build pattern at `copilotAgent.ts:633` predates the centralized mapping; `ClaudeAgent` follows the new contract. - -**Why no `IClaudeSessionTranscriptStore` seam in Phase 5?** -2-of-3 reviewer consensus. The seam is dead code today — the only consumer would be `getSessionMessages`, which returns `[]` until Phase 13 anyway. Introducing the seam now means committing to an interface shape before we know what the hybrid (SDK + `sessionStore` alpha) implementation needs. Phase 13 (transcript reconstruction) is the natural place to introduce it. - -**Why is `shutdown` memoized?** -CopilotAgent's pattern at [`copilotAgent.ts:1057-1068`](../copilot/copilotAgent.ts#L1057-L1068). Multiple callers can race to shut down the agent during process exit (workbench window close + agent-host process signal). A memoized promise makes second/third calls cheap and correct. **The order `await shutdown(); _proxyHandle?.dispose();` is load-bearing for Phase 6** — Query subprocesses talk to the proxy and must die first. - -**Should `disposeSession` delete the DB?** -No. Phase 13 owns deletion semantics (full transcript management). `disposeSession` is a wrapper-removal, not a delete. External sessions surfaced via `listSessions` would re-appear on the next listing anyway, so DB deletion in Phase 5 would be both incomplete and confusing. diff --git a/src/vs/platform/agentHost/node/claude/phase6-plan.md b/src/vs/platform/agentHost/node/claude/phase6-plan.md deleted file mode 100644 index 4ee8abb2ec5cd6..00000000000000 --- a/src/vs/platform/agentHost/node/claude/phase6-plan.md +++ /dev/null @@ -1,944 +0,0 @@ -# Phase 6 Implementation Plan — `ClaudeAgent` real `sendMessage` (single-turn, no tools) - -> **Handoff plan** — written to be executed by an agent with no prior conversation context. All file paths and line citations are verified against the workspace at synthesis time. Cross-reference [roadmap.md](./roadmap.md) before committing exact phase numbers. - -## 1. Goal - -Replace [claudeAgent.ts](claudeAgent.ts)'s `sendMessage` stub with a real implementation that streams a single assistant turn (no tool execution) from the Claude SDK back to the workbench client as `AgentSignal`s. Introduce the **provisional / materialize** lifecycle pattern that Phase 5 deliberately deferred: `createSession` returns immediately with `provisional: true`, the SDK subprocess fork happens lazily on the first `sendMessage`, and `onDidMaterializeSession` fires once the SDK init handshake completes. - -**Phase 6 deliverable:** the workbench's "smallest test stream" — `message_start → content_block_start → content_block_delta → content_block_stop → message_delta(usage) → message_stop → result` — flows end-to-end through `ClaudeProxyService → SDK subprocess → mapper → AgentSignal`. A user typing "hi" sees streamed assistant text appear incrementally. - -**Out of scope (deferred):** - -- **Fork** is **Phase 6.5** (separate stacked PR). The Phase-5 fork stub stays, the throw message updates from `TODO: Phase 6` to `TODO: Phase 6.5`. See §8 for the deferred decisions. -- Tools (Phase 7) — `canUseTool` returns `{ behavior: 'deny', message: '...' }` as a Phase-6 stub. The mapper has a defense-in-depth skip+warn for any `tool_use` block that leaks through. -- Edits (Phase 8), abort/steering/changeModel (Phase 9), client tools (Phase 10), customizations (Phase 11), subagents (Phase 12), restoration (Phase 13). - -**Exit criteria:** - -1. A workbench client creates a non-fork Claude session and the response carries `provisional: true`. No SDK subprocess has been forked. No `sessionAdded` notification has fired yet. -2. The first `sendMessage` materializes the session: SDK subprocess forks, init handshake completes, `onDidMaterializeSession` fires, `AgentService` dispatches the deferred `sessionAdded` notification. The user's prompt is delivered to the SDK. -3. Streaming `assistant` content appears in the workbench as `SessionResponsePart(Markdown)` followed by per-token `SessionDelta` signals. `result` triggers `SessionUsage` then `SessionTurnComplete` in that order. -4. A second `sendMessage` on the same materialized session reuses the existing Query (no second `startup()` call). `_isResumed` flips to `true` after the first `system:init`. -5. Disposing a materialized session aborts the SDK subprocess cleanly (no orphan processes). Disposing a still-provisional session is a cheap map removal. -6. `createSession({ fork })` throws `TODO: Phase 6.5`. -7. The proxy-backed integration test (real `ClaudeProxyService` + real `@anthropic-ai/claude-agent-sdk` + stubbed `ICopilotApiService`) passes end-to-end against a canned Anthropic stream. - -## 2. Files to create / modify - -| Action | File | Purpose | -|---|---|---| -| **Modify** | [claudeAgentSdkService.ts](claudeAgentSdkService.ts) | Add `startup({ options }): Promise` to `IClaudeSdkBindings` and `IClaudeAgentSdkService`. Phase-5 surface (`listSessions`) preserved. (`getSessionMessages` and `forkSession` are added in Phase 6.5, NOT Phase 6.) | -| **Major rewrite** | [claudeAgentSession.ts](claudeAgentSession.ts) | Phase-5 minimum (~30 lines) → Phase-6 Query owner (~300 lines): `_query: Query`, `_abortController: AbortController`, prompt iterable (`_createPromptIterable`), `_pendingPromptDeferred: DeferredPromise`, `_inFlightRequests: QueuedRequest[]`, `_isResumed: boolean`, `_currentBlockParts: Map`, `_fatalError: Error \| undefined`. Methods: `send`, `_processMessages`, `dispose`. | -| **Modify** | [claudeAgent.ts](claudeAgent.ts) | Add `_provisionalSessions: Map`, `_onDidMaterializeSession: Emitter`, `_sessionSequencer: SequencerByKey` (separate from Phase-5's `_disposeSequencer`). Add constructor dependency `@IAgentHostGitService` (resolved as `_gitService`) for `projectFromCopilotContext` lookups during `createSession`. Add helper imports: `rgPath` from `@vscode/ripgrep`, `delimiter` from `../../../../base/common/path.js`. Replace `sendMessage` stub. Make non-fork `createSession` return `provisional: true`. Add `_materializeProvisional`. Update fork branch error: `TODO: Phase 6` → `TODO: Phase 6.5`. Extend `shutdown()` to drain `_provisionalSessions` before the existing `_sessions` drain. | -| **Create** | [claudeMapSessionEvents.ts](claudeMapSessionEvents.ts) | Pure helper: `SDKMessage → AgentSignal[]`. Markdown/reasoning part allocation. Defense-in-depth skip+warn for `tool_use`. Mirrors Copilot's `mapSessionEvents.ts`. | -| **Create** | [claudePromptResolver.ts](claudePromptResolver.ts) | Pure helper: `(prompt: string, attachments?: IAgentAttachment[]) → Anthropic.ContentBlockParam[]`. Builds `` block for file/selection references. | -| **Modify** | [/package.json](../../../../../../package.json) | No version change — `@anthropic-ai/claude-agent-sdk@0.2.112` already pinned by Phase 5. | -| **Modify** | [../../test/node/claudeAgent.test.ts](../../test/node/claudeAgent.test.ts) | Extend `FakeClaudeAgentSdkService` with `startup()`, `nextQueryMessages`, `queryAdvance`, `capturedStartupOptions`, `startupRejection`. Add `FakeWarmQuery` and `FakeQuery` helpers. Add the 15 Phase-6 unit cases in §5. | -| **Create** | [../../test/node/claudeAgent.integration.test.ts](../../test/node/claudeAgent.integration.test.ts) | Single proxy-backed integration test (real `ClaudeProxyService` + real SDK + stubbed `ICopilotApiService`). Roadmap explicit requirement ([roadmap.md L532](roadmap.md#L532)). | - -## 3. Implementation spec - -### 3.1 SDK service: add `startup()` - -Phase 5's `IClaudeSdkBindings` and `IClaudeAgentSdkService` expose **only** `listSessions`. Phase 6 adds the **session-creation** surface, `startup()`. Phase 6.5 will later add `getSessionMessages` and `forkSession`. Per the SDK at [sdk.d.ts:4550](../../../../../../node_modules/@anthropic-ai/claude-agent-sdk/sdk.d.ts) `startup({ options, initializeTimeoutMs? })` forks the subprocess and **completes the init handshake** before returning a `WarmQuery`. Then `warm.query(promptIterable)` binds the prompt and returns a `Query`. This is a strict upgrade over the production extension's `query({ prompt, options })` flow at [`claudeCodeAgent.ts:487`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L487) — `startup()` was added after the extension shipped, and agent host is greenfield. The split lets us **fire `onDidMaterializeSession` only after the subprocess fork + init succeeded**, avoiding any phantom-session class of bug. - -```ts -// claudeAgentSdkService.ts (extension) - -export interface IClaudeSdkBindings { - listSessions(options?: ListSessionsOptions): Promise; - /** - * Pre-warms the SDK subprocess and runs the init handshake. Returns a - * `WarmQuery` whose `.query(promptIterable)` binds the prompt iterable - * and returns a streaming `Query`. Aborting `options.abortController` - * either rejects this promise (if init is in flight) or causes the - * resulting Query to clean up resources (sdk.d.ts:982). - */ - startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; -} - -export interface IClaudeAgentSdkService { - readonly _serviceBrand: undefined; - listSessions(): Promise; - startup(params: { options: Options; initializeTimeoutMs?: number }): Promise; - // getSessionMessages + forkSession added in Phase 6.5 -} -``` - -`ClaudeAgentSdkService.startup` is a thin pass-through to the lazily-imported SDK module — `await this._loadSdk()` then `sdk.startup(params)`. No additional state. - -### 3.2 `IClaudeProvisionalSession` + provisional state on `ClaudeAgent` - -Mirrors CopilotAgent's `IProvisionalSession` at [`copilotAgent.ts:67-82`](../copilot/copilotAgent.ts#L67-L82) plus an `AbortController` for the Q8 shutdown-during-materialize race. - -```ts -// claudeAgent.ts (additions) - -interface IClaudeProvisionalSession { - readonly sessionId: string; - readonly sessionUri: URI; - readonly workingDirectory: URI; - /** - * Per-session AbortController. Wired into `Options.abortController` - * during materialization. On materialize success, ownership transfers - * to the new `ClaudeAgentSession` (which registers - * `toDisposable(() => abortController.abort())`). Until then, `shutdown` - * iterates `_provisionalSessions` and calls `abort()` directly to - * unblock any in-flight `await sdk.startup()`. See §3.4. - */ - readonly abortController: AbortController; - /** Eagerly resolved at create time so the summary renders. */ - readonly project: IAgentSessionProjectInfo | undefined; -} - -private readonly _provisionalSessions = new Map(); - -private readonly _onDidMaterializeSession = this._register(new Emitter()); -readonly onDidMaterializeSession = this._onDidMaterializeSession.event; - -/** - * Per-session sequencer for first-message materialization and subsequent - * sends. SEPARATE from Phase-5's `_disposeSequencer` because they - * serialize different concerns: `_disposeSequencer` linearizes teardown, - * `_sessionSequencer` linearizes turn-driving. Mirrors CopilotAgent - * (`copilotAgent.ts:265`). - */ -private readonly _sessionSequencer = new SequencerByKey(); -``` - -`AgentService` already understands this protocol — see [`agentService.ts:154-160, 334-360`](../agentService.ts#L334-L360): -- If the agent provider's `IAgentCreateSessionResult.provisional === true`, AgentService creates the session in the state manager **with `emitNotification: false`**, defers `sessionAdded`, and skips the `SessionReady` lifecycle dispatch. -- When `IAgent.onDidMaterializeSession` fires, AgentService calls `dispatchedSessionAdded(...)` and then `dispatchServerAction({ type: ActionType.SessionReady, ... })`. - -ClaudeAgent only needs to honor the contract: return `provisional: true` from non-fork `createSession`, and fire `onDidMaterializeSession` from `_materializeProvisional`. - -### 3.3 `createSession` — return `provisional: true` - -Phase-5's non-fork path eagerly creates a `ClaudeAgentSession` wrapper and stores it in `_sessions`. Phase 6 replaces that with a provisional record. Fork still throws — message updated. - -**New constructor dependency.** `ClaudeAgent`'s Phase-5 constructor at [`claudeAgent.ts:136-141`](claudeAgent.ts#L136-L141) does NOT inject git context. Phase 6 adds `@IAgentHostGitService` (resolved as `private readonly _gitService: IAgentHostGitService`, imported from `'../agentHostGitService.js'`) so `createSession` can call `projectFromCopilotContext(...)` (imported from `'../copilot/copilotGitProject.js'`). Mirrors CopilotAgent at [`copilotAgent.ts:843`](../copilot/copilotAgent.ts#L843). Test fakes use `createNoopGitService()` from `'../../test/common/sessionTestHelpers.js'`. - -```ts -async createSession(config: IAgentCreateSessionConfig = {}): Promise { - if (config.fork) { - // Fork moved to Phase 6.5: requires translating `config.fork.turnId` - // (a protocol turn ID) to an SDK message UUID via `sdk.getSessionMessages`. - // See phase6-plan.md §8. - throw new Error('TODO: Phase 6.5: fork requires message-UUID lookup via sdk.getSessionMessages'); - } - - // Non-fork path: provisional. NO subprocess fork, NO worktree, NO DB write. - // Materialization happens in `_materializeProvisional` on the first - // `sendMessage`. AgentService defers `sessionAdded` until then. - const sessionId = config.session ? AgentSession.id(config.session) : generateUuid(); - const sessionUri = AgentSession.uri(this.id, sessionId); - - // Idempotent re-creates (workbench reconnect): if the session is already - // materialized OR already provisional, return the same URI. Mirrors - // CopilotAgent (`copilotAgent.ts:732-746`). We deliberately do NOT - // overwrite the existing provisional record — a re-create payload from - // a fresh connection would clobber the AbortController. - if (this._sessions.has(sessionId)) { - return { session: sessionUri, workingDirectory: config.workingDirectory }; - } - if (this._provisionalSessions.has(sessionId)) { - return { session: sessionUri, workingDirectory: config.workingDirectory, provisional: true }; - } - - if (!config.workingDirectory) { - throw new Error(`createSession: workingDirectory is required for new Claude sessions`); - } - - const project = await projectFromCopilotContext( - { cwd: config.workingDirectory.fsPath }, - this._gitService, - ); - - this._provisionalSessions.set(sessionId, { - sessionId, - sessionUri, - workingDirectory: config.workingDirectory, - abortController: new AbortController(), - project, - }); - - return { - session: sessionUri, - workingDirectory: config.workingDirectory, - provisional: true, - ...(project ? { project } : {}), - }; -} -``` - -**Phase-5 invariants Phase 6 preserves:** -- Non-fork `createSession` does NOT call `ISessionDataService.openDatabase` / `tryOpenDatabase`. (`_provisionalSessions` is in-memory only.) -- Non-fork `createSession` does NOT call any `IClaudeAgentSdkService` method. (Materialize is deferred.) - -**New invariants:** -- Non-fork `createSession` returns `provisional: true` and does NOT add an entry to `_sessions`. -- A duplicate `createSession` for a still-provisional URI returns the same URI without overwriting the existing provisional record. - -### 3.4 `_materializeProvisional` - -Promotes a `IClaudeProvisionalSession` into a real `ClaudeAgentSession`. Called from `sendMessage` (§3.8) inside the `_sessionSequencer.queue(sessionId, ...)` block, so concurrent first sends serialize naturally. - -```ts -private async _materializeProvisional(sessionId: string): Promise { - const provisional = this._provisionalSessions.get(sessionId); - if (!provisional) { - throw new Error(`Cannot materialize unknown provisional session: ${sessionId}`); - } - - const proxyHandle = this._proxyHandle; - if (!proxyHandle) { - throw new Error('Claude proxy is not running; agent must be authenticated first'); - } - - const subprocessEnv = this._buildSubprocessEnv(); - // `proxyHandle.baseUrl` is the full URL (e.g. `http://127.0.0.1:54321`, - // no trailing slash). Source: `claudeProxyService.ts:44-49`. Do NOT - // try to read `proxyHandle.port`; it is not part of the contract. - // - // PATH composition: - // - `rgPath` (imported from `@vscode/ripgrep`) is the absolute path to - // the ripgrep BINARY. Use `path.dirname(rgPath)` for the directory. - // - `delimiter` (imported from `../../../../base/common/path.js`) is - // the PATH separator (`:` on macOS/Linux, `;` on Windows). Do NOT - // use `path.sep` (`/` or `\\`) — that would corrupt PATH on Windows. - // Mirrors CopilotAgent (`copilotAgent.ts:7, 17, 434-450`). - const settingsEnv = { - ANTHROPIC_BASE_URL: proxyHandle.baseUrl, - ANTHROPIC_AUTH_TOKEN: `${proxyHandle.nonce}.${sessionId}`, - CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC: '1', - USE_BUILTIN_RIPGREP: '0', - PATH: `${dirname(rgPath)}${delimiter}${process.env.PATH ?? ''}`, - }; - - const options: Options = { - cwd: provisional.workingDirectory.fsPath, - executable: process.execPath as 'node', - env: subprocessEnv, - abortController: provisional.abortController, - allowDangerouslySkipPermissions: true, - canUseTool: async (_name, _input) => ({ - behavior: 'deny', - message: 'Tools are not yet enabled for this session (Phase 6).', - }), - disallowedTools: ['WebSearch'], - includeHookEvents: true, - includePartialMessages: true, // per-token streaming - permissionMode: 'default', - sessionId, // first run: new SDK session - settingSources: ['user', 'project', 'local'], - settings: { env: settingsEnv }, - systemPrompt: { type: 'preset', preset: 'claude_code' }, - stderr: data => this._logService.error(`[Claude SDK stderr] ${data}`), - }; - - const warm = await this._sdkService.startup({ options }); - - // Q8 belt-and-suspenders: the SDK's comment guarantees abort cleanup - // (sdk.d.ts:982), but if `startup()` resolved despite a racing abort, - // dispose the WarmQuery and surface cancellation. The agent has been - // shutting down while we awaited; do NOT materialize. - if (provisional.abortController.signal.aborted) { - await warm[Symbol.asyncDispose](); - throw new CancellationError(); - } - - const session = this._createSessionWrapper( - sessionId, - provisional.sessionUri, - provisional.workingDirectory, - warm, - provisional.abortController, - ); - - // Persist customization-directory metadata BEFORE firing the - // materialize event. The `IAgentMaterializeSessionEvent` contract - // (agentService.ts:142-147 + agentService.ts:393-395 in `node/`) - // says the agent has "persisted on-disk metadata" by the time the - // event fires. AgentService relies on this to atomically dispatch - // `sessionAdded` + `SessionReady`; firing before the write would - // race those notifications past durable state. CopilotAgent at - // `copilotAgent.ts:843-848` awaits `_storeSessionMetadata` before - // firing — Phase 6 mirrors that ordering. - // - // On persistence failure: dispose the wrapper (which aborts the - // SDK subprocess), keep the provisional record removed, and re-throw. - // Treating this as fatal avoids silent half-persisted state. The - // user sees a `SessionError` and the session never enters `_sessions`. - try { - await this._writeCustomizationDirectory(provisional.sessionUri, provisional.workingDirectory); - } catch (err) { - session.dispose(); - this._provisionalSessions.delete(sessionId); - this._logService.error(`[Claude] Failed to persist customization directory; aborting materialize`, err); - throw err; - } - - this._sessions.set(sessionId, session); - this._provisionalSessions.delete(sessionId); - - this._onDidMaterializeSession.fire({ - session: provisional.sessionUri, - workingDirectory: provisional.workingDirectory, - project: provisional.project, - }); - - return session; -} - -private _buildSubprocessEnv(): Record { - const env: Record = { - ELECTRON_RUN_AS_NODE: '1', - NODE_OPTIONS: undefined, - ANTHROPIC_API_KEY: undefined, - }; - for (const key of Object.keys(process.env)) { - if (key === 'ELECTRON_RUN_AS_NODE') { continue; } - if (key.startsWith('VSCODE_') || key.startsWith('ELECTRON_')) { - env[key] = undefined; - } - } - return env; -} -``` - -**`Options.env` contract** (sdk.d.ts:1075-1078): "Merged on top of `process.env` — entries here override... Set a key to `undefined` to remove an inherited variable." Mirrors CopilotAgent's strip pattern at [`copilotAgent.ts:434-450`](../copilot/copilotAgent.ts#L434-L450). - -**Why agent host strips env when the production extension doesn't**: extension runs in EH (already Electron-as-node, `NODE_OPTIONS` configured for EH); agent host runs in a utility process spawned from main, subprocess env state isn't pre-conditioned. - -`_createSessionWrapper` is updated to take the `WarmQuery` and the `AbortController` (vs the Phase-5 minimal signature). Tests override this hook to inject a recording subclass. - -### 3.5 `ClaudeAgentSession` — Query owner (~300 lines) - -Major rewrite from Phase 5's 30-line minimum. Owns the SDK Query, the per-session AbortController, the prompt iterable, and the message processing loop. - -```ts -// claudeAgentSession.ts (Phase 6) - -interface QueuedRequest { - readonly prompt: SDKUserMessage; - readonly deferred: DeferredPromise; - /** - * Required (non-optional). The agent's `sendMessage(...)` interface accepts - * `turnId?: string` (`agentService.ts:424`), but `AgentSideEffects` always - * supplies one (`agentSideEffects.ts:704`, `:939`). Phase 6's `ClaudeAgent.sendMessage` - * generates a UUID via `generateUuid()` if the caller omitted it, before - * forwarding to `entry.send()`. The mapper depends on `turnId: string` to - * populate `SessionDeltaAction.turnId` etc. (`actions.ts:233-258, 460-465, 521-526`). - */ - readonly turnId: string; -} - -export class ClaudeAgentSession extends Disposable { - /** SDK Query handle. Null until first `send()` binds the prompt iterable. */ - private _query: Query | undefined; - - /** Wakes the prompt iterable's `next()` when a new prompt arrives or on abort. */ - private _pendingPromptDeferred = new DeferredPromise(); - - /** FIFO of in-flight requests. Length ≤ 1 in Phase 6 due to `_sessionSequencer`. */ - private _inFlightRequests: QueuedRequest[] = []; - - /** Prompts pushed by `send()`, drained by the prompt iterable. */ - private _queuedPrompts: SDKUserMessage[] = []; - - /** Flips true after the first `system:init` SDKMessage; controls `sessionId` vs `resume` on re-options. */ - private _isResumed = false; - - /** content_block index → response part id. Cleared on `message_start`. */ - private readonly _currentBlockParts = new Map(); - - /** Mapper state passed to `mapSDKMessageToAgentSignals`. Held here so the loop can clear it on errors. */ - private readonly _mapperState: IClaudeMapperState = { currentBlockParts: this._currentBlockParts }; - - /** - * Set by `_processMessages` if the SDK iterator throws or ends without - * `result`. Once set, every subsequent `send()` rejects immediately - * with this error rather than parking on `_pendingPromptDeferred.p` - * (which would hang forever — the consumer loop is dead). Cleared by - * dispose, never recovered: post-fatal-error sessions are dead until - * the caller disposes them and creates a new session. Phase 6 has no - * teardown+recreate flow so this is a terminal state. - */ - private _fatalError: Error | undefined; - - constructor( - readonly sessionId: string, - readonly sessionUri: URI, - readonly workingDirectory: URI | undefined, - private readonly _warm: WarmQuery, - private readonly _abortController: AbortController, - private readonly _onDidSessionProgress: Emitter, - @ILogService private readonly _logService: ILogService, - ) { - super(); - // Dispose chain → abort → SDK cleanup (sdk.d.ts:982). - this._register(toDisposable(() => this._abortController.abort())); - // Wake parked iterator on abort so it can return `{ done: true }`. - this._abortController.signal.addEventListener('abort', () => { - this._pendingPromptDeferred.complete(); - }, { once: true }); - // The WarmQuery itself owns disposable resources too. - this._register(toDisposable(() => { - void this._warm[Symbol.asyncDispose]().catch(err => - this._logService.warn(`[ClaudeAgentSession] WarmQuery dispose failed: ${err}`)); - })); - } - - /** - * Push a prompt onto the queue and await the turn's completion (the - * `result` SDKMessage). Throws `CancellationError` if the session has - * already been aborted. Throws the stored `_fatalError` if the - * background `_processMessages` loop has died (S7: prevents silent - * infinite hangs on retry-after-fatal). The first call also binds the - * prompt iterable to the WarmQuery and kicks off `_processMessages`. - */ - async send(prompt: SDKUserMessage, turnId: string): Promise { - if (this._abortController.signal.aborted) { - throw new CancellationError(); - } - if (this._fatalError) { - // Loop is dead. Reject immediately rather than parking on a - // deferred no consumer will ever pop. Caller must dispose and - // recreate the session to recover. - throw this._fatalError; - } - if (!this._query) { - this._query = this._warm.query(this._createPromptIterable()); - // Fire-and-forget: errors propagate via QueuedRequest.deferred, - // and any post-loop crash is captured into `_fatalError`. - void this._processMessages().catch(err => - this._logService.error(`[ClaudeAgentSession] _processMessages crashed: ${err}`)); - } - const deferred = new DeferredPromise(); - this._inFlightRequests.push({ prompt, deferred, turnId }); - this._queuedPrompts.push(prompt); - this._pendingPromptDeferred.complete(); - return deferred.p; - } - - private _createPromptIterable(): AsyncIterable { - return { - [Symbol.asyncIterator]: () => ({ - next: async () => { - while (this._queuedPrompts.length === 0) { - if (this._abortController.signal.aborted) { - return { done: true, value: undefined }; - } - await this._pendingPromptDeferred.p; - this._pendingPromptDeferred = new DeferredPromise(); - } - return { done: false, value: this._queuedPrompts.shift()! }; - }, - }), - }; - } - - private async _processMessages(): Promise { - try { - for await (const message of this._query!) { - if (this._abortController.signal.aborted) { - throw new CancellationError(); - } - if (message.type === 'system' && (message as SDKSystemMessage).subtype === 'init' && !this._isResumed) { - this._isResumed = true; - } - // Mapper needs the current turn's `turnId` to populate - // `SessionAction.turnId` (actions.ts:238, 256, 465, 526). - // Phase 6 always has exactly one in-flight request when - // streaming is active; reading the head element is safe. - const turnId = this._inFlightRequests[0]?.turnId; - if (turnId !== undefined) { - try { - const signals = mapSDKMessageToAgentSignals( - message, - this.sessionUri, - turnId, - this._mapperState, - this._logService, - ); - for (const signal of signals) { - this._onDidSessionProgress.fire(signal); - } - } catch (mapperErr) { - // Q12 rule 1: defense-in-depth. Don't kill the turn on a - // single malformed SDK message. - this._logService.warn(`[ClaudeAgentSession] mapper threw, skipping message: ${mapperErr}`); - } - } - if (message.type === 'result') { - if ((message as SDKResultMessage).is_error) { - this._logService.warn(`[ClaudeAgentSession] result.is_error: ${(message as SDKResultMessage).error_during_execution ?? 'unknown'}`); - } - const completed = this._inFlightRequests.shift(); - completed?.deferred.complete(); - } - } - // S6: if the SDK iterator closed cleanly while aborted (sdk.d.ts:982 - // says "stop and clean up resources" — a graceful close is allowed), - // surface as `CancellationError`, not a generic "ended without result" - // failure. Phase 9's cancellation discrimination (§8.3) depends on - // this being a `CancellationError` instance. - if (this._abortController.signal.aborted) { - throw new CancellationError(); - } - // Generator ended without `result` for any in-flight request. - throw new Error('Claude SDK stream ended without result'); - } catch (err) { - // S7: latch the failure so subsequent `send()` calls reject - // immediately. Without this, a retry pushes a prompt into - // `_queuedPrompts` and parks on `_pendingPromptDeferred.p` - // — the loop is dead, the prompt never drains, hang forever. - this._fatalError = err instanceof Error ? err : new Error(String(err)); - for (const req of this._inFlightRequests) { - if (!req.deferred.isSettled) { - req.deferred.error(err); - } - } - this._inFlightRequests = []; - throw err; - } - } -} -``` - -**Why a queue of length ≤ 1 instead of a single `_currentRequest`**: `_sessionSequencer` (§3.8) guarantees serialized first-call materialization and serialized subsequent sends, so the queue is currently always length ≤ 1. The queue shape is preserved because Phase 7+ (tools) introduces intra-turn waits that may need short bursts of >1 in-flight, and we don't want to refactor the loop later. - -**Why the AbortController drives prompt-iterable termination** (Q9): the controller is already (a) the SDK's cancellation contract, (b) the dispose-chain endpoint via `toDisposable(() => abort())`, (c) the shutdown-cascade signal. Reusing it as the iterator's "done" condition keeps the entire session lifecycle on a single observable signal. No bespoke `_isDisposed` flag. - -### 3.6 `claudeMapSessionEvents.ts` — pure helper - -Mirrors Copilot's `mapSessionEvents.ts`. Pure function that takes one `SDKMessage` plus the `sessionUri`, the active `turnId`, and mutable mapper state, and returns zero or more `AgentSignal`s. Pure-function testability is the reason it's its own module instead of a private method on the session class. - -```ts -// claudeMapSessionEvents.ts - -export interface IClaudeMapperState { - /** content_block index → response part id. Owned by the session, cleared on message_start. */ - readonly currentBlockParts: Map; -} - -/** - * Map one SDK message to zero or more agent signals. - * - * `session` is the session URI used for the `IAgentActionSignal.session` - * envelope (`agentService.ts:293-298`) and for the `SessionAction.session` - * field on every emitted action (`actions.ts:233-258, 460-465, 521-526`). - * - * `turnId` is the protocol turn id originating from the client-driven - * `SessionTurnStarted` action (`agentSideEffects.ts:670` case handler). - * Every emitted action requires it; the session reads it from the head - * of `_inFlightRequests` per Phase-6's single-in-flight invariant. - * - * Phase 6 emits: - * - `SessionResponsePart(Markdown)` on `content_block_start` with text type - * - `SessionResponsePart(Reasoning)` on `content_block_start` with thinking type - * - `SessionDelta` on `content_block_delta` with text_delta - * - `SessionReasoning` on `content_block_delta` with thinking_delta - * - `SessionUsage` on `result` (or `message_delta` if usage is set) - * - `SessionTurnComplete` on `result` - * - * Phase 6 deliberately does NOT emit `SessionTurnStarted` — that's - * `AgentSideEffects`' job (`agentSideEffects.ts:484` for the dispatch, - * `:670` for the case handler that calls `agent.sendMessage`). And - * `SessionError` is dispatched by `AgentSideEffects.catch()` chain on - * `sendMessage` (`agentSideEffects.ts:704`). - * - * Reducer ordering invariant: the protocol reducer at `actions.ts:233, 460` - * REQUIRES `SessionResponsePart` to precede any `SessionDelta` / - * `SessionReasoning` for that part id. The mapper allocates the part - * before the first delta; tests assert ordering, not just presence. - */ -export function mapSDKMessageToAgentSignals( - message: SDKMessage, - session: URI, - turnId: string, - state: IClaudeMapperState, - logService: ILogService, -): AgentSignal[] { - // ... (see §4 for the full table) -} -``` - -The body implements the full Q7 mapping table from the planning conversation. Trace-log + skip for unhandled types so unexpected SDK additions don't throw. - -### 3.7 `claudePromptResolver.ts` — pure helper - -Builds the `Anthropic.ContentBlockParam[]` from a prompt string + serialized `IAgentAttachment[]`. Pure, no I/O. - -```ts -// claudePromptResolver.ts - -export function resolvePromptToContentBlocks( - prompt: string, - attachments?: readonly IAgentAttachment[], -): Anthropic.ContentBlockParam[] { - const blocks: Anthropic.ContentBlockParam[] = [{ type: 'text', text: prompt }]; - if (!attachments?.length) { - return blocks; - } - const refLines: string[] = []; - for (const att of attachments) { - switch (att.type) { - case AttachmentType.File: - case AttachmentType.Directory: - refLines.push(`- ${uriToString(att.uri)}`); - break; - case AttachmentType.Selection: { - const line = att.selection ? `:${att.selection.start.line + 1}` : ''; - refLines.push(`- ${uriToString(att.uri)}${line}`); - if (att.text) { - refLines.push('```'); - refLines.push(att.text); - refLines.push('```'); - } - break; - } - } - } - blocks.push({ - type: 'text', - text: '\nThe user provided the following references:\n' + - refLines.join('\n') + - '\n\nIMPORTANT: this context may or may not be relevant to your tasks. ' + - 'You should not respond to this context unless it is highly relevant to your task.\n' + - '', - }); - return blocks; -} - -function uriToString(uri: URI): string { - return uri.scheme === 'file' ? uri.fsPath : uri.toString(); -} -``` - -**Extension-ahead-of-protocol notes** (record but not Phase 6 work): the production extension at [`claudePromptResolver.ts`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudePromptResolver.ts) handles inline range substitution and binary-image extraction. Protocol's `IAgentAttachment` carries neither today. When images land, follow the extension's `image` content block path; when inline ranges land, port the descending-sort replacement loop. - -**Selection branch is dead-code in Phase 6** (S4 from review). `IAgentAttachment` (`agentService.ts:243-254`) carries `text` and `selection` for the `Selection` attachment type, but `AgentSideEffects` strips them at the protocol → agent boundary (`agentSideEffects.ts:699-703` for live send and `:934-938` for queued send) — the agent receives only `{ type, uri, displayName }`. The `Selection` switch case in `resolvePromptToContentBlocks` therefore exists for forward-compat (mirroring the production extension's shape) but never executes in Phase 6. A future phase that expands `AgentSideEffects` to forward `text` + `selection` activates it without resolver changes. Phase 6 must NOT touch `agentSideEffects.ts` to enable selection rendering — that scope expansion is deferred. - -### 3.8 `sendMessage` — sequencer + materialize-first + entry.send - -```ts -async sendMessage( - session: URI, - prompt: string, - attachments?: IAgentAttachment[], - turnId?: string, -): Promise { - const sessionId = AgentSession.id(session); - // `IAgent.sendMessage` declares `turnId?` (agentService.ts:424) but - // every production caller in `AgentSideEffects` supplies one - // (`agentSideEffects.ts:704, :939`). Generate a fallback so the - // session-side `QueuedRequest.turnId: string` invariant holds even - // if a hypothetical future caller forgets it; tests can rely on - // their explicit value being passed through. - const effectiveTurnId = turnId ?? generateUuid(); - return this._sessionSequencer.queue(sessionId, async () => { - let entry = this._sessions.get(sessionId); - if (!entry) { - if (this._provisionalSessions.has(sessionId)) { - entry = await this._materializeProvisional(sessionId); - } else { - throw new Error(`Cannot send to unknown session: ${sessionId}`); - } - } - - const contentBlocks = resolvePromptToContentBlocks(prompt, attachments); - const sdkPrompt: SDKUserMessage = { - type: 'user', - message: { role: 'user', content: contentBlocks }, - session_id: sessionId, - parent_tool_use_id: null, - }; - - await entry.send(sdkPrompt, effectiveTurnId); - }); -} -``` - -**Sequencer scope**: the `queue(sessionId, ...)` block holds the sequencer through both materialize AND `entry.send`. This guarantees: (a) two concurrent first-message calls serialize into one materialization plus two ordered sends, (b) a `disposeSession` racing a first send reaches the dispose-sequencer eventually but the in-flight materialize completes its own work first, (c) Phase 7+ intra-turn waits don't deadlock because they happen inside `entry.send` after the sequencer has been entered (sequencer is per-key, not global). - -**`entry.send` returns the deferred** for the in-flight turn, so `sendMessage` only resolves when `result` arrives. AgentSideEffects' `.catch()` at [`agentSideEffects.ts:704`](../agentSideEffects.ts#L704) sees errors and dispatches `SessionError`. - -### 3.9 `shutdown` — drain provisional then sessions - -Phase 5's `shutdown` already serializes per-session teardown via `_disposeSequencer`. Phase 6 prepends a provisional drain so any in-flight `await sdk.startup()` aborts cleanly. - -```ts -shutdown(): Promise { - return this._shutdownPromise ??= (async () => { - // Q8: cancel any provisional sessions mid-materialize. Their - // AbortControllers are wired into Options.abortController, so - // aborting unblocks any in-flight `await sdk.startup()`. - for (const provisional of this._provisionalSessions.values()) { - provisional.abortController.abort(); - } - this._provisionalSessions.clear(); - - // Existing Phase-5 drain. Each ClaudeAgentSession registers - // `toDisposable(() => abortController.abort())`, so disposing - // them aborts their SDK Query. - const sessionIds = [...this._sessions.keys()]; - await Promise.all(sessionIds.map(sessionId => - this._disposeSequencer.queue(sessionId, async () => { - this._sessions.deleteAndDispose(sessionId); - }), - )); - })(); -} -``` - -`disposeSession(uri)` for a still-provisional session is a new branch: - -```ts -disposeSession(session: URI): Promise { - const sessionId = AgentSession.id(session); - return this._disposeSequencer.queue(sessionId, async () => { - const provisional = this._provisionalSessions.get(sessionId); - if (provisional) { - provisional.abortController.abort(); - this._provisionalSessions.delete(sessionId); - return; - } - this._sessions.deleteAndDispose(sessionId); - }); -} -``` - -## 4. SDK message → `AgentSignal` mapping (Phase 6 table) - -`Options.includePartialMessages: true` means we receive raw `stream_event` SDKMessages for true per-token streaming. `assistant` SDKMessages still arrive but text content is NOT re-emitted (already streamed via `stream_event`). This is a UX upgrade over the production extension which doesn't set the flag. - -| SDKMessage | AgentSignal(s) / behavior | -|---|---| -| `system` (subtype `init`) | Set `_isResumed = true`. No signal. | -| `stream_event` → `message_start` | Clear `_currentBlockParts`. No signal. | -| `stream_event` → `content_block_start` (text) | Allocate new partId, emit `SessionResponsePart(Markdown)`. Store `currentBlockParts.set(event.index, partId)`. | -| `stream_event` → `content_block_start` (thinking) | Allocate new partId, emit `SessionResponsePart(Reasoning)`. Store. | -| `stream_event` → `content_block_start` (tool_use) | **Skip + warn.** No partId allocated. Defense-in-depth — `canUseTool: deny` should prevent this. | -| `stream_event` → `content_block_delta` (text_delta) | Emit `SessionDelta(currentBlockParts.get(event.index), event.delta.text)`. | -| `stream_event` → `content_block_delta` (thinking_delta) | Emit `SessionReasoning(partId, event.delta.thinking)`. | -| `stream_event` → `content_block_delta` (input_json_delta) | No-op (tool input parameters; out of Phase 6 scope). | -| `stream_event` → `content_block_stop` | `currentBlockParts.delete(event.index)`. No signal. | -| `stream_event` → `message_delta` | If `usage` present, emit `SessionUsage`. | -| `stream_event` → `message_stop` | No signal (turn-complete is driven by `result`, not stream_event). | -| `assistant` (whole message) | Used ONLY for metadata: error-field log, defense-in-depth tool_use verification. Text content NOT re-emitted. | -| `result` | Emit `SessionUsage` (if not already emitted via message_delta) then `SessionTurnComplete`. | -| `system` (subtype `compact_boundary`) | No-op (Phase 6 has no context management). | -| `user` (tool_result) | No-op (Phase 7 territory). | -| Other | Trace-log + skip. | - -**Reducer ordering invariant** (`actions.ts:233, 460`): `SessionResponsePart` MUST precede any `SessionDelta` / `SessionReasoning` for that part id. The mapper allocates parts before deltas; tests assert ordering not just presence (Tests 6, 7 in §5). - -## 5. Test cases - -`ensureNoDisposablesAreLeakedInTestSuite()` stays at the top of the suite (preserved from Phase 5). - -### 5.1 Unit tests (15 new cases) - -1. **`createSession` non-fork → `provisional: true`.** Result has `provisional: true`. `_provisionalSessions` has one entry. `_sessions` is empty. SDK was NOT called (`startupCallCount === 0`, `listSessionsCallCount === 0`). Database was NOT opened (`openDatabaseCallCount === 0`). -2. **`createSession` with `config.fork` → throws "TODO: Phase 6.5".** No side effects. -3. **First `sendMessage` on a provisional session → materializes.** `onDidMaterializeSession` fires exactly once. `startupCallCount === 1`. After completion, `_sessions` has the entry, `_provisionalSessions` is empty. -4. **Materialize event payload shape.** `{ session: , workingDirectory: , project: undefined }` (project field is optional and tests don't set up gitService). -5. **Two `sendMessage` calls on the same session → reuses Query.** `startupCallCount === 1` after both. Both deferreds complete on their respective `result` messages. -6. **Assistant text block → `SessionResponsePart(Markdown)` precedes `SessionDelta`.** Capture all signals from `_onDidSessionProgress`. Assert the first `SessionDelta` for partId X is preceded by exactly one `SessionResponsePart(kind=Markdown, partId=X)` for the same X. -7. **Assistant thinking block → `SessionResponsePart(Reasoning)` precedes `SessionReasoning`.** Same shape as test 6, kind=Reasoning. -8. **`result` SDKMessage → `SessionUsage` then `SessionTurnComplete` in that order.** Snapshot the suffix of the signal sequence after the last delta. -9. **Multiple text blocks in one assistant message → each gets its own part allocation.** Two `content_block_start(text)` events at indices 0 and 1. Assert two distinct partIds were allocated, deltas routed correctly. -10. **`_isResumed` flips on first `system:init`.** First `sendMessage` produces a session whose `_isResumed === true` after the init message. (Asserted via a getter exposed for test, OR by triggering a teardown+recreate flow that asserts `Options.resume === sessionId` on the second `startup()` — Phase 6 doesn't have teardown+recreate yet, so the getter is acceptable.) -11. **Dispose materialized session → controller aborted; in-flight deferred rejects.** Set `queryAdvance` to block at index 3. Call `sendMessage` (returns pending promise). Call `disposeSession`. Resolve the blocker. Assert: (a) the pending sendMessage promise rejects, (b) `capturedStartupOptions[0].abortController.signal.aborted === true`, (c) `_sessions` no longer has the entry. -12. **Dispose provisional session → no SDK call; map removed.** Create provisional, call `disposeSession`. Assert `_provisionalSessions` is empty, `startupCallCount === 0`. -13. **Shutdown drain — two scenarios.** - - **(a) Only provisional**: create three sessions, none send. Call `shutdown()`. Assert `startupCallCount === 0`, `_provisionalSessions` is empty. - - **(b) Mixed provisional + materialized**: create three sessions, send on two (leaving one provisional). With `queryAdvance` blocking, call `shutdown()`. Assert all three deferreds resolve/reject (the two materialized reject with abort, the provisional one was never awaiting send), `_sessions` and `_provisionalSessions` both empty, controller of every entry was aborted. -14. **Mapper throws on a malformed `stream_event` → log + continue.** Inject a malformed message at index 2 via `nextQueryMessages`. Assert: warn was logged once, signals from indices 0, 1, 3, 4 emitted normally, turn completes via `result`. -15. **Attachment conversion (File / Directory only).** S4 from review: `text` and `selection` fields on `IAgentAttachment` are dropped by `AgentSideEffects` before reaching the agent (`agentSideEffects.ts:699-703, :934-938`), so a Selection-shape input is not realistically reachable in Phase 6. Test the realistic path: `sendMessage('hi', [{type: AttachmentType.File, uri: URI.parse('file:///a')}, {type: AttachmentType.Directory, uri: URI.parse('file:///b')}])`. After the call, inspect `FakeQuery.capturedPrompt` — the first `SDKUserMessage`'s `content` is `[{type:'text', text:'hi'}, {type:'text', text: matches /^[\s\S]*\/a[\s\S]*\/b/ }]`. Selection rendering is deferred to a future phase that expands `AgentSideEffects` to forward `text` + `selection`; the resolver's `Selection` branch is dead-code until then (per §3.7 note). - -### 5.2 Integration test (1 case) - -**File**: [../../test/node/claudeAgent.integration.test.ts](../../test/node/claudeAgent.integration.test.ts) - -Real `ClaudeProxyService` + real `@anthropic-ai/claude-agent-sdk` + stubbed `ICopilotApiService` returning a canned Anthropic stream `[message_start, content_block_start(text), content_block_delta('hello'), content_block_stop, message_delta(usage), message_stop]` followed by terminal SDK messages so `result` arrives. - -Asserts: -- The full proxy → SDK → mapper → AgentSignal pipeline emits the expected signal sequence. -- The SDK subprocess actually forks (assert `process.execPath` was used as executable). -- `Options.env` strip behavior: `NODE_OPTIONS` is undefined in the subprocess env, `ELECTRON_RUN_AS_NODE === '1'`. -- Cleanup: dispose the agent, no orphan subprocesses (assert `ps` doesn't show stale `claude-agent-sdk` children — or rely on the SDK's own `[Symbol.asyncDispose]` contract and assert no unhandled rejections). - -This test is the single real-world validator that the proxy's `ANTHROPIC_BASE_URL`/`ANTHROPIC_AUTH_TOKEN` plumbing actually works against the SDK. Roadmap explicit requirement at [roadmap.md L532](roadmap.md#L532). - -### 5.3 Removed from earlier draft - -- **(was) "SDK load failure → sendMessage rejects"**: Phase 5 already covers SDK lazy-load failure via `listSessions`. The new `startupRejection` field on `FakeClaudeAgentSdkService` covers init failure as a setup variant of test 3, not a separate test. - -### 5.4 Nice-to-have (not gating) - -- Concurrent `sendMessage` serialization via `_sessionSequencer`. -- `sendMessage` after shutdown → reject with `CancellationError`. -- `tool_use` leakage guard: if SDK ever delivers `content_block_start(tool_use)` despite `canUseTool: deny`, mapper skips + warns; the loop doesn't hang. - -## 6. Risks / gotchas - -| Risk | Mitigation | -|---|---| -| `startup()` doesn't honor `Options.abortController` during init handshake. | Belt-and-suspenders: after `await sdk.startup()` resolves, check `provisional.abortController.signal.aborted`; if true, `await warm[Symbol.asyncDispose]()` and throw `CancellationError`. Integration test exercises real abort during init. | -| `assistant` SDKMessages double-emit text already streamed via `stream_event`. | Mapper rule: with `includePartialMessages: true`, `assistant` whole-messages contribute ZERO `SessionDelta` / `SessionResponsePart` signals — only metadata (errors, defense-in-depth tool_use detection). Tests 6, 7, 9 codify the no-double-emit invariant. | -| Reducer corruption from out-of-order signals (`SessionDelta` before `SessionResponsePart`). | Mapper allocates the part on `content_block_start` BEFORE any deltas can arrive (deltas are SDK-ordered). Tests 6, 7 assert the precedence directly. | -| `tool_use` block leaks through `canUseTool: deny`. | Mapper skips + warns at `content_block_start(tool_use)`. Loop continues. SDK eventually surfaces the failed call via `result.error_during_execution`, which we log but don't re-raise. Test 5.4 nice-to-have. | -| `process.execPath` in a utility process needs `ELECTRON_RUN_AS_NODE=1`. | `_buildSubprocessEnv()` sets it. Mirror of `copilotAgent.ts:434-450`. Integration test asserts the env value. | -| `NODE_OPTIONS` from the parent Electron process breaks the Claude subprocess. | `_buildSubprocessEnv()` strips it via `undefined` (Options.env semantics, sdk.d.ts:1075-1078). Integration test asserts `NODE_OPTIONS === undefined` in the spawn env. | -| Provisional session resurrected by a duplicate `createSession` after the user disposed it. | `disposeSession(uri)` removes the provisional entry AND aborts its controller. A subsequent `createSession` for the same URI creates a new provisional record (new AbortController). The Phase-5 idempotency guard (`if (this._sessions.has(sessionId)) return ...`) only fires for already-materialized sessions; provisional re-creates after dispose are a fresh provisional. | -| `_sessionSequencer` and `_disposeSequencer` deadlock. | They are SEPARATE sequencers with the same key (sessionId). `disposeSession` enters `_disposeSequencer`; `sendMessage` enters `_sessionSequencer`. They can run in parallel for the same session. The race is benign: a concurrent dispose during materialize aborts the AbortController, which causes `await sdk.startup()` to reject inside `_sessionSequencer`. | -| Materialize-during-dispose race surfaces a half-born session in `_sessions`. | The `provisional.abortController.signal.aborted` check after `await sdk.startup()` (Q8 belt-and-suspenders) catches this and disposes the WarmQuery. Test 13b codifies. | -| `Query` AsyncIterable doesn't terminate on abort. | The session's `_processMessages` checks `signal.aborted` at the top of every iteration. The mapper's no-op fall-through plus the prompt iterable's abort-aware termination means we drop out of the `for await` cleanly. SDK comment at sdk.d.ts:982 promises Query cleanup on abort. | -| Workbench client retries `createSession` over a re-connection while the original `sendMessage` is still materializing. | Idempotency: the second `createSession` finds the session in `_provisionalSessions` and returns the same URI without creating a new record. The in-flight materialize on the first connection's send completes normally; the second connection awaits its own send. | -| `result.is_error: true` causes the turn to look stuck. | Mapper still emits `SessionTurnComplete` after logging the warning. `is_error` is informational on a successful turn (model decided to error in-band). Test in §5.4 nice-to-have. | -| Phase 9 cancellation looks like Phase 6 error. | Documented limitation: dispose-driven cancellation rejects in-flight deferred with `CancellationError`. AgentSideEffects doesn't yet discriminate, so it dispatches `SessionError` during shutdown. Harmless (state manager being torn down) but technically wrong. Phase 9 follow-up: discriminate `isCancellationError` in AgentSideEffects OR dispatch `SessionTurnCancelled` from the agent before reject. Cited in §8. | - -## 7. Acceptance criteria - -The PR is **done** when every box below is checked. - -### 7.1 Code structure - -- [ ] [claudeAgentSdkService.ts](claudeAgentSdkService.ts) exposes `startup()` on both `IClaudeSdkBindings` and `IClaudeAgentSdkService`. Phase-5 surface preserved. -- [ ] [claudeAgentSession.ts](claudeAgentSession.ts) is a Query owner with the fields enumerated in §3.5. Constructor takes `WarmQuery`, `AbortController`, and the agent's progress emitter. `dispose()` aborts the controller and disposes the WarmQuery. -- [ ] [claudeAgent.ts](claudeAgent.ts) has `_provisionalSessions: Map`, `_onDidMaterializeSession` Emitter, `_sessionSequencer: SequencerByKey` distinct from `_disposeSequencer`. `_createSessionWrapper` updated to take WarmQuery + AbortController. -- [ ] `createSession` non-fork returns `provisional: true`, fork branch throws `TODO: Phase 6.5`. -- [ ] `_materializeProvisional` builds the SDK `Options` per §3.4 (env strip, settings.env, includePartialMessages, canUseTool deny, abortController). -- [ ] [claudeMapSessionEvents.ts](claudeMapSessionEvents.ts) is a pure helper module exporting `mapSDKMessageToAgentSignals` and `IClaudeMapperState`. No I/O. No DI. -- [ ] [claudePromptResolver.ts](claudePromptResolver.ts) is a pure helper exporting `resolvePromptToContentBlocks`. No I/O. No DI. -- [ ] All Phase-7+ stubs (`respondToPermissionRequest`, `respondToUserInputRequest`, etc.) still throw `TODO: Phase N`. -- [ ] No `as any` / `as unknown as Foo` casts in production or test code. -- [ ] Microsoft copyright header on every new file. - -### 7.2 Persistence invariants (assert in tests) - -- [ ] Non-fork `createSession` does NOT call `ISessionDataService.openDatabase` or `tryOpenDatabase`, and does NOT call any `IClaudeAgentSdkService` method (no `startup()`, no `listSessions()`). -- [ ] `createSession({ fork })` rejects with a `TODO: Phase 6.5` error and produces no side effects. -- [ ] Materialize is the FIRST `startup()` call; `startupCallCount === 1` after first `sendMessage`, regardless of how many `createSession` retries happened beforehand. -- [ ] Dispose materialized session aborts the AbortController and rejects in-flight deferreds. -- [ ] Dispose provisional session does NOT call `startup()` and does NOT touch `_sessions`. - -### 7.3 Compile + lint + layers - -- [ ] `VS Code - Build` task shows zero TypeScript errors. If task is unavailable, `npm run compile-check-ts-native` exits 0. -- [ ] `npm run eslint -- src/vs/platform/agentHost/node/claude src/vs/platform/agentHost/test/node/claudeAgent.test.ts src/vs/platform/agentHost/test/node/claudeAgent.integration.test.ts` exits 0. -- [ ] `npm run valid-layers-check` exits 0. -- [ ] `npm run hygiene` exits 0. - -### 7.4 Tests - -- [ ] All Phase-5 cases still pass (no regression). -- [ ] All 15 unit cases from §5.1 pass. -- [ ] The integration test in §5.2 passes against the real SDK. -- [ ] `scripts/test.sh --grep ClaudeAgent` exits 0. -- [ ] `scripts/test-integration.sh --grep claudeAgent` exits 0 (or the equivalent integration runner per the workspace's test conventions). - -### 7.5 Live-system smoke (mandatory before merging) - -Phase-6 smoke checklist (6 boxes): - -- [ ] **Provisional defers `sessionAdded`.** Open new-chat, pick Claude, pick folder. The session appears in the workbench list ONLY after the first message lands. -- [ ] **Per-token streaming.** Type "hi" → assistant text appears incrementally (visible chunks during the response, not just at completion). -- [ ] **Persistence after first turn.** After the first turn completes, the session shows up in `listSessions()` (workbench reload — session is there). -- [ ] **Second turn reuses Query.** Second prompt streams without re-materializing, prior turn's content remains visible. -- [ ] **Mid-turn dispose.** Send a long-response prompt, dispose the session mid-stream. No unhandled rejection in the agent host log; session removed cleanly from the workbench. -- [ ] **Clean process teardown.** Kill the agent host process; `ps aux | grep claude` shows no orphan subprocesses; next startup has no error spam. - -(Fork smoke moves to Phase 6.5.) - -### 7.6 PR readiness - -- [ ] PR title: `agentHost/claude: Phase 6 — sendMessage (single-turn, no tools)`. -- [ ] PR description links to [roadmap.md](roadmap.md) Phase 6 and to this plan; notes that exit criteria are met. -- [ ] PR description lists the implemented changes vs the still-stubbed methods + their target phase. -- [ ] PR description calls out the deferred Phase 6.5 fork, the Phase 9 cancellation discrimination follow-up, and the canUseTool deny stub as Phase 7 surface. - -## 8. Phase 6.5 / Phase 7+ contract notes - -These are decisions Phase 6 locks down so later phases are pure-additive. - -### 8.1 Phase 6.5 — fork - -**Critical SDK divergence from CopilotAgent**: Claude SDK's `forkSession(sessionId, { upToMessageId, title })` at [sdk.d.ts:540-565](../../../../../../node_modules/@anthropic-ai/claude-agent-sdk/sdk.d.ts) takes a **message UUID**, not an event id. This is structurally different from CopilotAgent's `getNextTurnEventId(turnId) → toEventId` pattern. Mirroring CopilotAgent's pattern would have been wrong. - -**Phase 6.5 implementation outline**: -- Add `forkSession` to `IClaudeSdkBindings` and `IClaudeAgentSdkService`. -- In `createSession({ fork })`, walk `sdk.getSessionMessages(srcSessionId)` to compute the `protocolTurnId → assistantMessageUuid` mapping lazily at fork time. SDK transcript is the source of truth — no Phase-6 metadata write needed. -- Resume the forked session so the SDK loads the forked history. -- Persist the customization-directory metadata via `setMetadata` on the forked session. -- Phase 6.5 is a stacked PR on top of Phase 6. - -### 8.2 Phase 7 — `canUseTool` - -Phase 6's stub returns `{ behavior: 'deny', message: 'Tools are not yet enabled for this session (Phase 6).' }`. Phase 7 flips this to call `IToolPermissionService.canUseTool(...)` (mirrors [`claudeCodeAgent.ts:467`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L467)). The mapper's defense-in-depth `tool_use` skip+warn becomes a pass-through to a new tool-call signal. - -### 8.3 Phase 9 — cancellation discrimination in AgentSideEffects - -Documented limitation: Phase 6's dispose-driven cancellation rejects in-flight deferreds with `CancellationError`. AgentSideEffects' `.catch()` at [`agentSideEffects.ts:704`](../agentSideEffects.ts#L704) doesn't yet discriminate cancellation from real failure, so it dispatches `SessionError` during shutdown. Phase 9's `abortSession` work needs to either (a) discriminate `isCancellationError` in AgentSideEffects, (b) dispatch `SessionTurnCancelled` from the agent before reject, or (c) both. - -### 8.4 Phase 7+ — `ClaudeMessageProcessor` extraction trigger - -Phase 6 keeps `_processMessages` as a private method on `ClaudeAgentSession`. The single-class decision is right at this surface area: the mapper helper already gives us pure-function testability, and the loop itself is thin orchestration. - -**Trigger to extract**: when `_processMessages` accretes any of: -- Tool-use dispatch (Phase 7) with `unprocessedToolCalls` map + per-tool span tracking. -- Hook-event handling (Phase 11) with `otelHookSpans` map. -- Edit-tracker integration (Phase 8). -- Subagent trace contexts (Phase 12). -- OTel `invoke_agent` span lifecycle. - -At that point — likely Phase 7 — extract a `ClaudeMessageProcessor` helper class registered (`_register`'d) by the session. Mirrors how the production extension's [`claudeCodeAgent.ts:578-700`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L578-L700) has clearly distinct concerns mashed together — we want to split them when they actually exist, not pre-emptively. - -### 8.5 Phase 7+ — sequencer reconvergence trigger - -Phase 6 deliberately uses **two separate** per-session sequencers: -- `_disposeSequencer` (Phase 5, teardown) at `claudeAgent.ts:153-165` -- `_sessionSequencer` (Phase 6, send + materialize) - -CopilotAgent uses a **single** sequencer ([`copilotAgent.ts:265`](../copilot/copilotAgent.ts#L265)) for sends, disposes, model changes, archive, etc. Phase 6's two-sequencer split is safe today because dispose and send are linked through the AbortController cascade: dispose → abort → SDK Query unwinds → `_processMessages` exits → in-flight deferred rejects. The sequencers don't deadlock because each holds a different per-key lock. - -**Trigger to converge**: when Phase 7 introduces tool-call confirmations that hold longer-lived in-flight state on the session (e.g. waiting on `respondToPermissionRequest`), the AbortController cascade is no longer the only synchronization point. At that phase, audit whether dispose-during-tool-confirmation needs a single sequencer to serialize. If yes, fold `_disposeSequencer` into `_sessionSequencer` and route both `disposeSession` and `sendMessage` through the same `queue(sessionId, ...)`. Mirrors CopilotAgent. - -### 8.6 Production extension `sdk.startup()` adoption (out of scope, recorded) - -The extension at [`claudeCodeAgent.ts:487`](../../../../../../extensions/copilot/src/extension/chatSessions/claude/node/claudeCodeAgent.ts#L487) uses `query({ prompt, options })` directly. `sdk.startup()` is a strict upgrade for any "session is created before first prompt" flow but the extension doesn't have provisional/materialize semantics, so the gain is purely about subprocess pre-warming. Not on the agent-host roadmap. - -## 9. Resolved decisions (grilling outcomes) - -The full grilling transcript locked these. Recording the conclusions here so a fresh-context reader sees the rationale. - -**Q1: `canUseTool` stub.** Returns `{ behavior: 'deny', ... }`, not `allow`. `allow` would actually execute tools (filesystem mutations + multi-turn loops), exceeding Phase-6 scope. Mapper skip+warn for `tool_use` blocks is defense-in-depth on top. - -**Q2: Fork → Phase 6.5.** Claude SDK's `forkSession` API is structurally different from Copilot's (message UUID vs event id). Doing it right requires `sdk.getSessionMessages` lookup. Stacked PR keeps Phase 6 focused. - -**Q3: Skip metadata write on materialize, lazy backfill in Phase 6.5.** No `protocolTurnId → messageUUID` mapping written in Phase 6 because Phase 6 doesn't need it; Phase 6.5 computes lazily from `sdk.getSessionMessages(srcId)` on fork. - -**Q4: Materialization timing — `sdk.startup()`.** `startup({ options })` forks subprocess and completes init handshake before returning `WarmQuery`. Fire `onDidMaterializeSession` AFTER the await resolves → no phantom-session bug. - -**Q5: `_processMessages` on session class.** Not extracted to a separate class in Phase 6. Mapper helper provides the testability seam; the loop itself is thin. Extraction trigger documented (§8.4). - -**Q6: Signal emission via shared `Emitter`.** Session emits via the agent's emitter (passed in constructor) — not its own. Mirrors CopilotAgent's pattern. - -**Q7: `includePartialMessages: true`.** Per-token streaming UX. Production extension doesn't set this (chunky UX); we do. - -**Q8: Shutdown-during-materialize race.** Per-session `AbortController` lives on the provisional record. Pass into `Options.abortController`. On materialize success, ownership transfers to `ClaudeAgentSession` which registers `toDisposable(() => abort())`. Shutdown loops `_provisionalSessions` calling `abort()`; then drains `_sessions`. Native to SDK contract (sdk.d.ts:982). No agent-level controller, no parent/child wiring, no flags. - -**Q9: Prompt iterable termination via AbortController.** Same controller drives SDK cancellation, dispose chain, and iterator termination. Constructor wires `signal.addEventListener('abort', () => deferred.complete())` to wake parked iterator. No bespoke `_isDisposed` flag. - -**Q10: Attachment conversion → `` block.** Pure helper `claudePromptResolver.ts` mirrors production extension, simplified for the protocol's narrower attachment surface (no images, no inline ranges yet). - -**Q11: Env stripping — two SDK surfaces.** `Options.env` for subprocess process env (strip `NODE_OPTIONS`, `ANTHROPIC_API_KEY`, `VSCODE_*`, `ELECTRON_*`; set `ELECTRON_RUN_AS_NODE=1`). `Options.settings.env` for Claude session config (`ANTHROPIC_BASE_URL`, `ANTHROPIC_AUTH_TOKEN`, `CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC`, `USE_BUILTIN_RIPGREP`, `PATH`). - -**Q12: `_processMessages` error rules.** (1) Mapper throws → log + skip, no propagate. (2) SDK iterator throws OR ends without `result` → drain in-flight with reject + throw. (3) `result.is_error: true` → log warn, still complete the turn normally. Inlined drain (no helper methods — only two call sites). - -**Q13: `FakeClaudeAgentSdkService` shape.** Async-generator iterator, field-based capture, optional `queryAdvance` hook for timing-sensitive tests. `FakeWarmQuery` and `FakeQuery` helpers. - -**Q14: Refined test list.** 15 unit + 1 integration. Removed "SDK load failure" (Phase 5 covers it). Added mapper-throws test and attachment-conversion test (File/Directory only — selection-shape inputs descoped per S4 review finding). Split shutdown-drain into provisional-only and mixed scenarios. diff --git a/src/vs/platform/agentHost/node/claude/roadmap.md b/src/vs/platform/agentHost/node/claude/roadmap.md index a9ac6ce279b699..1b7f11699dd03c 100644 --- a/src/vs/platform/agentHost/node/claude/roadmap.md +++ b/src/vs/platform/agentHost/node/claude/roadmap.md @@ -339,11 +339,7 @@ Phase 4, (b) the deferred-concerns map for later phases, and (c) the one remaining open question (byte-equivalence) with a concrete plan to close it in Phase 4. No throw-away code committed. -### Phase 4 — `ClaudeAgent` skeleton implementing `IAgent` ✅ **DONE** - -Landed in [#313780](https://github.com/microsoft/vscode/pull/313780) -(commit `7211c0f3746`). Live-system smoke completed 2026-05-01 — see -[phase4-plan.md](./phase4-plan.md) §7.8. +### Phase 4 — `ClaudeAgent` skeleton implementing `IAgent` > **Implementation contract: [phase4-plan.md](./phase4-plan.md).** That file > is the source of truth for the Phase 4 PR — code skeleton, registration diff --git a/src/vs/platform/agentHost/node/claude/smoke.md b/src/vs/platform/agentHost/node/claude/smoke.md index b59c258f77f87a..bb9705d7af0f40 100644 --- a/src/vs/platform/agentHost/node/claude/smoke.md +++ b/src/vs/platform/agentHost/node/claude/smoke.md @@ -3,23 +3,22 @@ A streamlined, repeatable smoke test for the `ClaudeAgent` IAgent provider. Use this whenever a phase changes the boot path, the registration code in `agentHostMain.ts` / `agentHostServerMain.ts`, the model filter in -`isClaudeModel`, the GitHub-token plumbing through `IClaudeProxyService`, -or (Phase 6+) the SDK subprocess fork / message pipeline. +`isClaudeModel`, or the GitHub-token plumbing through `IClaudeProxyService`. -It encodes the lessons from the Phase 4 live walk and the Phase 6 cycles -so future runs are deterministic. The two helper scripts under `./scripts/` -capture the boilerplate (launching the app, verifying the logs); the -playwright steps are still operator-driven because they depend on snapshot -refs that change between runs. +It encodes everything we learned during the Phase 4 live walk so future runs +are deterministic. The two helper scripts under `./scripts/` capture the +boilerplate (launching the app, verifying the logs); the playwright steps +are still operator-driven because they depend on snapshot refs that change +between runs. ## When to run | Phase | What this plan must continue to prove | |-------|--------------------------------------| | 4 (skeleton) | Both providers register; auth reaches `ClaudeAgent`; proxy binds; models surface; first user prompt throws `TODO: Phase 5` (the `createSession` stub fires before `sendMessage`). | -| 5 (sessions) | Same as Phase 4 PLUS `createSession` succeeds (`claude:/` URI in IPC log); first user prompt throws `TODO: Phase 6`. **NOTE: Phase 5 was never run live — see §8.** | -| 6 (sendMessage, single-turn, no tools) | Same as Phase 4 PLUS `createSession` returns a *provisional* session (no SDK contact yet); first user prompt materializes the SDK subprocess and **renders a real text response** (no `TODO: Phase` match in the snapshot); IPC log carries `session/responsePart`, `session/delta`, `session/usage`, `session/turnComplete` actions. | -| 7+ | Add per-phase assertion to the table above. | +| 5 (sessions) | Same as above PLUS `createSession` succeeds; first user prompt throws `TODO: Phase 6`. | +| 6 (sendMessage) | Same as above PLUS prompt produces SDK output. | +| 7+ | Add per-phase assertion to the table in §6 below. | ## Prerequisites @@ -51,13 +50,10 @@ port is listening. ## 2. Verify the agent host wiring (no UI required) ```bash -./src/vs/platform/agentHost/node/claude/scripts/verify-claude-logs.sh [--phase=N] +./src/vs/platform/agentHost/node/claude/scripts/verify-claude-logs.sh ``` -Default `--phase` is the latest implemented phase (currently 6). Pass -`--phase=4` or `--phase=5` to skip the Phase-6+ session-action checks. - -Exits non-zero if any invariant fails. Always-on checks (any phase ≥ 4): +Exits non-zero if any of the five log-level invariants fail: 1. Both `copilotcli` AND `claude` providers registered. 2. `[Claude] Auth token updated` appears (proves `agentService.authenticate` @@ -68,21 +64,8 @@ Exits non-zero if any invariant fails. Always-on checks (any phase ≥ 4): 5. ≥ 1 Claude-family model id (`claude-opus-*`, `claude-sonnet-*`, …) surfaces in the IPC log — verifies the §3.5 model filter and `tryParseClaudeModelId`. -6. **No fatal error log lines** (any phase — these indicate bugs): - - `[Claude SDK stderr]` (Phase 6 subprocess error stream) - - `[ClaudeAgentSession] _processMessages crashed` (Phase 6 fatal loop) - - `[ClaudeAgentSession] mapper threw, skipping message` (Phase 6 mapper) - - `[Claude] Failed to persist customization directory; aborting materialize` (Phase 6 S5 fatal) - -Phase-6+ checks (only when `--phase ≥ 6` AND the operator has driven a turn -to completion via §4): - -7. ≥ 1 `"type":"session/responsePart"` action in the IPC log (proves the - mapper allocated a part — plan §3.6 reducer ordering invariant). -8. ≥ 1 `"type":"session/turnComplete"` action (proves the SDK reached - `result` and the consumer loop completed the in-flight deferred). -Captured artifacts land in `/tmp/claude-smoke//`: +Captured artifacts land in `/tmp/claude-phase4-smoke//`: - `registration.log` — both `Registering agent provider: …` lines - `auth.log` — `[Claude] Auth token …` @@ -90,8 +73,6 @@ Captured artifacts land in `/tmp/claude-smoke//`: - `root-state.log` — the claude block from a `RootStateChanged` event - `claude-models.log` — sample of model entries - `claude-session-uris.log` — every `claude:/` URI created -- `negatives.log` — grep results for the four fatal patterns (empty if pass) -- (Phase 6+) `response-actions.log` — sample `session/responsePart`/`turnComplete` envelopes ## 3. Verify the picker UI (operator-driven) @@ -130,7 +111,7 @@ lines. Capture screenshot for the PR: ```bash -SMOKE_DIR=$(ls -td /tmp/claude-smoke/*/ | head -1) +SMOKE_DIR=$(ls -td /tmp/claude-phase4-smoke/*/ | head -1) npx @playwright/cli screenshot --filename="$SMOKE_DIR/picker-open.png" ``` @@ -153,15 +134,7 @@ grep -nE 'Pick Session Type, Claude' "$SNAP" Expected: `button "Pick Session Type, Claude" [ref=…]`. -## 4. Drive a prompt - -What the prompt does is phase-dependent: - -- **Phase 4**: hits the `createSession` stub before `sendMessage`, so the snapshot shows `TODO: Phase 5`. -- **Phase 5**: `createSession` succeeds; `sendMessage` stub fires; snapshot shows `TODO: Phase 6`. -- **Phase 6+**: `createSession` returns a *provisional* session; the first `sendMessage` materializes the SDK subprocess and streams a real Claude response. Snapshot shows actual model output (e.g. “Hello! How can I help…”). No `TODO: Phase` match. - -With the picker still showing “Claude” selected, type and submit: +## 4. Drive a prompt to verify the stub fires ```bash # Find the chat textbox (its label is the placeholder text) @@ -171,60 +144,31 @@ grep -nE 'textbox.*\[active\]' "$SNAP" npx @playwright/cli click npx @playwright/cli type "hello claude" npx @playwright/cli press Enter +sleep 2 ``` -**Phase 6 timing**: the SDK subprocess fork + init handshake takes a few -seconds on a cold start. Wait ≥5s before the first snapshot: - -```bash -sleep 5 -``` - -Re-snapshot and check the result against the phase you're on: +Re-snapshot and grep for the expected stub message: ```bash npx @playwright/cli snapshot SNAP=$(ls -t .playwright-cli/page-*.yml | head -1) -# Phases 4-5 — stub fires; should match exactly one of these: grep -nE 'TODO: Phase' "$SNAP" -# Phase 6+ — should NOT match `TODO: Phase`. Instead grep for response: -grep -nE 'paragraph' "$SNAP" | head -5 ``` +Match the result against the phase-specific table: + | Phase | Expected snapshot match | |-------|------------------------| | 4 | `TODO: Phase 5` (createSession is the first stub on the path) | | 5 | `TODO: Phase 6` (sendMessage stub) | -| 6+ | no `TODO: Phase` match; one or more `paragraph` nodes with model output | +| 6+ | no `TODO: Phase` match (real SDK response renders) | Capture screenshot: ```bash -# Phase 4-5: stub error npx @playwright/cli screenshot --filename="$SMOKE_DIR/stub-error.png" -# Phase 6+: real response -npx @playwright/cli screenshot --filename="$SMOKE_DIR/turn-complete.png" ``` -**Phase 6+ — verify the action stream from logs.** After the turn completes, -re-run the verify script (it will look for `session/responsePart` and -`session/turnComplete` actions in the IPC log): - -```bash -./src/vs/platform/agentHost/node/claude/scripts/verify-claude-logs.sh --phase=6 -``` - -This catches issues that the snapshot can't — e.g. a turn that renders text -in the UI but never emitted `SessionUsage` (broken token accounting), or a -mapper that skipped `content_block_start` and only emitted deltas (broken -ordering invariant). - -> **Expected console error on Phase 6.** A single -> `[ERROR] TODO: Phase 10: Error: TODO: Phase 10` line in the playwright -> console capture is normal — the chat client invokes `setClientTools` to -> register its tool list, which is a Phase 10 stub. It does not affect the -> chat round-trip. Promote this to a check failure in Phase 10. - ## 5. Verify the session URI scheme The session URI is observable in the IPC log, **not** as a @@ -257,35 +201,12 @@ For a phase smoke PR, include in the description: - `registration.log` (two lines) - `picker-open.png` -- Phases 4–5: `stub-error.png` -- Phase 6+: `turn-complete.png` AND `response-actions.log` (proves the - IPC action stream landed, not just the UI render) +- `stub-error.png` - `claude-session-uris.log` (one line per session created) The other captured artifacts are useful for triage if any check fails but need not appear in every PR. -## 8. Phase 5 retroactive gap - -Phase 5 (the `IAgent` provider skeleton) was committed without a live -smoke run. The `--phase=5` row in §1 documents *what would have been* -verified — `createSession` succeeds, IPC log carries a `claude:/` -URI, prompt produces `TODO: Phase 6` — but the Phase 5 PR description -did not include any of the artifacts in §7. - -This is recorded here (rather than fixed retroactively) because Phase 6 -fully replaces the Phase 5 sendMessage path: a Phase 6 smoke run -transitively exercises every Phase 5 code path (provider registration, -auth fan-out, proxy bind, model surface, picker, session URI scheme), -and additionally proves the SDK subprocess fork + message pipeline. - -**Lesson for future phases**: every phase that touches the agent host -boot path or the IAgent surface MUST run this plan and attach the -§7 artifacts to its PR, even if the visible behavior is “stub message -changes from X to Y”. Without a live run, regressions in upstream layers -(authentication, proxy, model filter) only surface at the next phase -that does run live — by which point the bisect window is wider. - ## Appendix — common failures | Symptom | Likely cause | @@ -294,13 +215,7 @@ that does run live — by which point the bisect window is wider. | `verify-claude-logs.sh` fails at check 1 (`claude` missing) | Same, but for ClaudeAgent. Or import broken. | | `verify-claude-logs.sh` fails at check 2 (`[Claude] Auth token updated` missing) | `agentService.authenticate` is short-circuiting on the first matching provider. The fan-out fix lives in `src/vs/platform/agentHost/node/agentService.ts`. | | `verify-claude-logs.sh` fails at check 5 (zero models) | The §3.5 filter rejected everything. Inspect the upstream `[Copilot] Found N models` log line and check vendor / `supported_endpoints` / `model_picker_enabled` / `tool_calls`. | -| `verify-claude-logs.sh` fails at check 6 (`[Claude SDK stderr]`) | Phase 6 SDK subprocess wrote to stderr. Inspect the captured stderr in `agenthost.log` — likely auth (`401`/`403` from the proxy), missing `node` runtime, or the subprocess can't reach `ANTHROPIC_BASE_URL`. | -| `verify-claude-logs.sh` fails at check 6 (`_processMessages crashed`) | Phase 6 consumer loop hit an uncaught exception. The latched `_fatalError` is in the message; check whether it's a transport error or a bug in `claudeMapSessionEvents.ts`. | -| `verify-claude-logs.sh` fails at check 6 (`Failed to persist customization directory`) | Phase 6 S5 fatal — `_writeCustomizationDirectory` rejected. Check `ISessionDataService.openDatabase` permissions on the user-data-dir. | -| `verify-claude-logs.sh` fails at check 7 (no `session/responsePart`) | Phase 6 mapper returned no signals. The first `content_block_start` may be `tool_use` (Phase 7+) instead of `text`/`thinking`. Or `_inFlightRequests[0]?.turnId` was undefined when the first message arrived (sequencer race). | -| `verify-claude-logs.sh` fails at check 8 (no `session/turnComplete`) | Phase 6 SDK never reached `result`. The subprocess may still be running (cancellation didn't propagate), or the prompt iterable parked permanently. Check for `_processMessages crashed` first. | | Picker shows only "Copilot CLI" but registration log is fine | Root state never propagated. Check the `autorun` in `agentSideEffects.ts` — `_publishAgentInfos` should fire on every `agents` observable change. | -| Stub fires `TODO: Phase 5` but plan expected Phase 6 | Operator clicked Claude on a brand-new session, which hits `createSession` first. In Phase 5 this stub is normal; in Phase 6+ it indicates the materialize spine is missing — `createSession` should return `provisional: true` not throw. | -| Phase 6 prompt hangs without rendering text | Either (a) the SDK subprocess never started (check `[ClaudeProxyService]` access logs for the `/v1/messages` POST), (b) the proxy returned non-SSE bytes (check the proxy's stream-loop warn log), or (c) the mapper allocated no part-id and the UI has nothing to render. | +| Stub fires `TODO: Phase 5` but plan expected Phase 6 | Operator clicked Claude on a brand-new session, which hits `createSession` first. Either start from an existing claude session or update the per-phase table in §4. | | `npx @playwright/cli evaluate` returns a help screen | The command is `eval`, not `evaluate`. Use `--raw` to strip wrapper output. | | `npx @playwright/cli click` retries forever with `pointer-block intercepts` | Use keyboard navigation (`press ArrowDown` + `press Enter`). | diff --git a/src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts b/src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts deleted file mode 100644 index 7f79819ed82400..00000000000000 --- a/src/vs/platform/agentHost/test/node/claudeAgent.integrationTest.ts +++ /dev/null @@ -1,594 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -/** - * Integration test for Phase 6 ClaudeAgent. - * - * Wires together: - * - Real {@link ClaudeProxyService} bound to a real loopback HTTP listener. - * - Stubbed {@link ICopilotApiService} that yields a canned Anthropic - * `MessageStreamEvent` sequence. - * - Real {@link ClaudeAgent} driving the materialize lifecycle. - * - Recording {@link IClaudeAgentSdkService} that, on `startup()`, - * performs a real HTTP round-trip against the proxy using the - * `Options.settings.env.ANTHROPIC_BASE_URL` / - * `Options.settings.env.ANTHROPIC_AUTH_TOKEN` it received — exactly - * what the real Claude SDK subprocess would do when forked. - * - * The test does NOT fork the bundled `@anthropic-ai/claude-agent-sdk` - * subprocess. That fork is exercised live by the Phase 6 smoke run - * (`smoke.md`). What this test guarantees in CI is the cross-component - * wiring that connects the two: - * - The agent constructs `Bearer .` in a format the - * real proxy's auth parser accepts. - * - The agent passes the proxy's actual `baseUrl` through - * `Options.settings.env`. - * - The proxy's SSE encoding round-trips the canned upstream stream. - * - The agent's strip-env contract on `Options.env` - * (`NODE_OPTIONS===undefined`, `ELECTRON_RUN_AS_NODE==='1'`) is - * captured by what the SDK service receives. - * - Disposing the agent disposes the proxy handle and the WarmQuery - * (no orphan resources). - */ - -import type Anthropic from '@anthropic-ai/sdk'; -import type { Options, Query, SDKMessage, SDKResultSuccess, SDKSessionInfo, SDKSystemMessage, SDKUserMessage, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; -import type { CCAModel } from '@vscode/copilot-api'; -import assert from 'assert'; -import type * as http from 'http'; -import { URI } from '../../../../base/common/uri.js'; -import { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../base/test/common/utils.js'; -import { ServiceCollection } from '../../../instantiation/common/serviceCollection.js'; -import { InstantiationService } from '../../../instantiation/common/instantiationService.js'; -import { ILogService, NullLogService } from '../../../log/common/log.js'; -import { ISessionDataService } from '../../common/sessionDataService.js'; -import { GITHUB_COPILOT_PROTECTED_RESOURCE } from '../../common/agentService.js'; -import { IAgentHostGitService } from '../../node/agentHostGitService.js'; -import { ClaudeAgent } from '../../node/claude/claudeAgent.js'; -import { IClaudeAgentSdkService } from '../../node/claude/claudeAgentSdkService.js'; -import { ClaudeProxyService, IClaudeProxyService } from '../../node/claude/claudeProxyService.js'; -import { ICopilotApiService, type ICopilotApiServiceRequestOptions } from '../../node/shared/copilotApiService.js'; -import { createNoopGitService, createSessionDataService } from '../common/sessionTestHelpers.js'; - -// #region Test fixtures - -const ANTHROPIC_MODEL: CCAModel = { - id: 'claude-opus-4.6', - name: 'Claude Opus 4.6', - vendor: 'Anthropic', - supported_endpoints: ['/v1/messages'], - object: 'model', - version: '4.6', - is_chat_default: false, - is_chat_fallback: false, - model_picker_category: '', - model_picker_enabled: true, - preview: false, - billing: { is_premium: false, multiplier: 1, restricted_to: [] }, - capabilities: { - family: 'test', - limits: { max_context_window_tokens: 200_000, max_output_tokens: 8192, max_prompt_tokens: 200_000 }, - object: 'model_capabilities', - supports: { parallel_tool_calls: true, streaming: true, tool_calls: true, vision: false }, - tokenizer: 'o200k_base', - type: 'chat', - }, - policy: { state: 'enabled', terms: '' }, -}; - -const TEST_UUID = '11111111-2222-3333-4444-555555555555'; - -function makeMessage(model: string): Anthropic.Message { - return { - id: 'msg_int_test', - type: 'message', - role: 'assistant', - model, - content: [{ type: 'text', text: '', citations: null }], - stop_reason: 'end_turn', - stop_sequence: null, - stop_details: null, - container: null, - usage: { - input_tokens: 1, - output_tokens: 1, - cache_creation: null, - cache_creation_input_tokens: null, - cache_read_input_tokens: null, - inference_geo: null, - server_tool_use: null, - service_tier: null, - }, - }; -} - -/** Canned Anthropic `MessageStreamEvent` sequence for the `messages` stub. */ -function makeCannedStream(model: string): Anthropic.MessageStreamEvent[] { - const message = makeMessage(model); - const contentBlockStart: Anthropic.RawContentBlockStartEvent = { - type: 'content_block_start', - index: 0, - content_block: { type: 'text', text: '', citations: [] }, - }; - const contentBlockDelta: Anthropic.RawContentBlockDeltaEvent = { - type: 'content_block_delta', - index: 0, - delta: { type: 'text_delta', text: 'hello' }, - }; - const messageDelta: Anthropic.RawMessageDeltaEvent = { - type: 'message_delta', - delta: { stop_reason: 'end_turn', stop_sequence: null, stop_details: null, container: null }, - usage: { - input_tokens: 1, - output_tokens: 1, - cache_creation_input_tokens: null, - cache_read_input_tokens: null, - server_tool_use: null, - }, - }; - return [ - { type: 'message_start', message }, - contentBlockStart, - contentBlockDelta, - { type: 'content_block_stop', index: 0 }, - messageDelta, - { type: 'message_stop' }, - ]; -} - -function makeSystemInitMessage(sessionId: string): SDKSystemMessage { - return { - type: 'system', - subtype: 'init', - apiKeySource: 'user', - claude_code_version: '0.0.0-test', - cwd: '/workspace', - tools: [], - mcp_servers: [], - model: 'claude-test', - permissionMode: 'default', - slash_commands: [], - output_style: 'default', - skills: [], - plugins: [], - uuid: TEST_UUID, - session_id: sessionId, - }; -} - -function makeResultSuccess(sessionId: string): SDKResultSuccess { - return { - type: 'result', - subtype: 'success', - duration_ms: 0, - duration_api_ms: 0, - is_error: false, - num_turns: 1, - result: '', - stop_reason: 'end_turn', - total_cost_usd: 0, - usage: { - cache_creation: { ephemeral_1h_input_tokens: 0, ephemeral_5m_input_tokens: 0 }, - cache_creation_input_tokens: 0, - cache_read_input_tokens: 0, - inference_geo: 'unknown', - input_tokens: 0, - iterations: [], - output_tokens: 0, - server_tool_use: { web_fetch_requests: 0, web_search_requests: 0 }, - service_tier: 'standard', - speed: 'standard', - }, - modelUsage: {}, - permission_denials: [], - uuid: TEST_UUID, - session_id: sessionId, - }; -} - -// #endregion - -// #region Stubbed CAPI - -class StubCopilotApiService implements ICopilotApiService { - declare readonly _serviceBrand: undefined; - - streamEvents: Anthropic.MessageStreamEvent[] = []; - availableModels: CCAModel[] = [ANTHROPIC_MODEL]; - - readonly messagesCallCount = { count: 0 }; - - messages( - token: string, - request: Anthropic.MessageCreateParamsStreaming, - options?: ICopilotApiServiceRequestOptions, - ): AsyncGenerator; - messages( - token: string, - request: Anthropic.MessageCreateParamsNonStreaming, - options?: ICopilotApiServiceRequestOptions, - ): Promise; - messages( - token: string, - request: Anthropic.MessageCreateParams, - options?: ICopilotApiServiceRequestOptions, - ): AsyncGenerator | Promise { - this.messagesCallCount.count++; - if (request.stream) { - return this._stream(options); - } - return Promise.reject(new Error('non-streaming not used in integration test')); - } - - private async *_stream( - options: ICopilotApiServiceRequestOptions | undefined, - ): AsyncGenerator { - for (const ev of this.streamEvents) { - if (options?.signal?.aborted) { - const err = new Error('Aborted'); - (err as { name: string }).name = 'AbortError'; - throw err; - } - yield ev; - } - } - - async countTokens(): Promise { - throw new Error('countTokens not used in integration test'); - } - - async models(): Promise { - return this.availableModels; - } -} - -// #endregion - -// #region Recording SDK service that round-trips through the real proxy - -interface IProxyRoundTripResult { - readonly status: number; - readonly contentType: string | undefined; - readonly events: readonly { readonly type: string; readonly data: unknown }[]; -} - -/** - * Test double for {@link IClaudeAgentSdkService}. On `startup()`, performs - * a real HTTP `POST /v1/messages` against the proxy URL the agent passed - * via `Options.settings.env`, using the bearer the agent constructed. - * This stands in for the SDK subprocess's first model call so we can - * assert the agent → proxy → CAPI round-trip works without forking - * `@anthropic-ai/claude-agent-sdk`'s bundled CLI. - */ -class ProxyRoundTripSdkService implements IClaudeAgentSdkService { - declare readonly _serviceBrand: undefined; - - readonly capturedStartupOptions: Options[] = []; - readonly proxyRoundTrips: IProxyRoundTripResult[] = []; - - /** Messages the produced WarmQuery's Query will yield in order. */ - queryMessages: SDKMessage[] = []; - - readonly warmQueries: RoundTripWarmQuery[] = []; - - async listSessions(): Promise { - return []; - } - - async startup(params: { options: Options; initializeTimeoutMs?: number }): Promise { - this.capturedStartupOptions.push(params.options); - - const settings = params.options.settings; - const settingsEnv = (settings && typeof settings === 'object' && settings.env) ? settings.env : {}; - const baseUrl = settingsEnv['ANTHROPIC_BASE_URL']; - const bearer = settingsEnv['ANTHROPIC_AUTH_TOKEN']; - if (!baseUrl || !bearer) { - throw new Error('ANTHROPIC_BASE_URL / ANTHROPIC_AUTH_TOKEN missing from settings.env'); - } - - const result = await postSseToProxy(`${baseUrl}/v1/messages`, bearer, { - model: 'claude-opus-4-6', - messages: [{ role: 'user', content: 'hi' }], - stream: true, - max_tokens: 4096, - }); - this.proxyRoundTrips.push(result); - - const warm = new RoundTripWarmQuery(this); - this.warmQueries.push(warm); - return warm; - } -} - -class RoundTripWarmQuery implements WarmQuery { - asyncDisposeCount = 0; - closeCount = 0; - - constructor(private readonly _sdk: ProxyRoundTripSdkService) { } - - query(prompt: string | AsyncIterable): Query { - if (typeof prompt === 'string') { - throw new Error('integration test: agent host always passes an AsyncIterable'); - } - return new RoundTripQuery(prompt, this._sdk); - } - - close(): void { - this.closeCount++; - } - - async [Symbol.asyncDispose](): Promise { - this.asyncDisposeCount++; - } -} - -class RoundTripQuery implements AsyncGenerator { - private _index = 0; - private readonly _drainer: Promise; - - constructor(prompt: AsyncIterable, private readonly _sdk: ProxyRoundTripSdkService) { - // Drain the prompt iterable in the background so the agent's - // `_pendingPromptDeferred.complete()` actually pumps the queue. - const it = prompt[Symbol.asyncIterator](); - this._drainer = (async () => { - while (true) { - const r = await it.next(); - if (r.done) { - return; - } - } - })(); - } - - [Symbol.asyncIterator](): AsyncGenerator { - return this; - } - - async next(): Promise> { - if (this._index >= this._sdk.queryMessages.length) { - await this._drainer; - return { done: true, value: undefined }; - } - return { done: false, value: this._sdk.queryMessages[this._index++] }; - } - - async return(): Promise> { - return { done: true, value: undefined }; - } - - async throw(err: unknown): Promise> { - throw err; - } - - async interrupt(): Promise { /* not used */ } - - setPermissionMode(): never { throw new Error('not modeled'); } - setModel(): never { throw new Error('not modeled'); } - setMaxThinkingTokens(): never { throw new Error('not modeled'); } - applyFlagSettings(): never { throw new Error('not modeled'); } - initializationResult(): never { throw new Error('not modeled'); } - supportedCommands(): never { throw new Error('not modeled'); } - supportedModels(): never { throw new Error('not modeled'); } - supportedAgents(): never { throw new Error('not modeled'); } - mcpServerStatus(): never { throw new Error('not modeled'); } - getContextUsage(): never { throw new Error('not modeled'); } - reloadPlugins(): never { throw new Error('not modeled'); } - accountInfo(): never { throw new Error('not modeled'); } - rewindFiles(): never { throw new Error('not modeled'); } - seedReadState(): never { throw new Error('not modeled'); } - reconnectMcpServer(): never { throw new Error('not modeled'); } - toggleMcpServer(): never { throw new Error('not modeled'); } - setMcpServers(): never { throw new Error('not modeled'); } - streamInput(): never { throw new Error('not modeled'); } - stopTask(): never { throw new Error('not modeled'); } - close(): void { /* no-op */ } - [Symbol.asyncDispose](): Promise { return Promise.resolve(); } -} - -// #endregion - -// #region HTTP helpers - -let _httpModule: typeof http | undefined; -async function getHttp(): Promise { - if (!_httpModule) { - _httpModule = await import('http'); - } - return _httpModule; -} - -async function postSseToProxy( - url: string, - bearer: string, - payload: object, -): Promise { - const httpMod = await getHttp(); - return new Promise((resolve, reject) => { - const u = new URL(url); - const body = JSON.stringify(payload); - const req = httpMod.request({ - hostname: u.hostname, - port: u.port, - path: u.pathname + u.search, - method: 'POST', - headers: { - 'Authorization': `Bearer ${bearer}`, - 'Content-Type': 'application/json', - 'Content-Length': Buffer.byteLength(body).toString(), - 'Accept': 'text/event-stream', - 'anthropic-version': '2023-06-01', - }, - }, res => { - const chunks: Buffer[] = []; - res.on('data', c => chunks.push(Buffer.isBuffer(c) ? c : Buffer.from(c))); - res.on('end', () => { - const raw = Buffer.concat(chunks).toString('utf8'); - resolve({ - status: res.statusCode ?? 0, - contentType: typeof res.headers['content-type'] === 'string' ? res.headers['content-type'] : undefined, - events: parseSseFrames(raw), - }); - }); - res.on('error', reject); - }); - req.on('error', reject); - req.write(body); - req.end(); - }); -} - -function parseSseFrames(raw: string): { type: string; data: unknown }[] { - const out: { type: string; data: unknown }[] = []; - for (const block of raw.split('\n\n')) { - if (!block.trim()) { - continue; - } - let event = ''; - let data = ''; - for (const line of block.split('\n')) { - if (line.startsWith('event: ')) { - event = line.slice('event: '.length).trim(); - } else if (line.startsWith('data: ')) { - data = line.slice('data: '.length); - } - } - if (event && data) { - let parsed: unknown; - try { parsed = JSON.parse(data); } catch { parsed = data; } - out.push({ type: event, data: parsed }); - } - } - return out; -} - -// #endregion - -// #region Suite - -suite('ClaudeAgent integration (proxy-backed)', function () { - - const disposables = ensureNoDisposablesAreLeakedInTestSuite(); - - test('agent → proxy → CAPI → SSE → agent: end-to-end pipeline with real proxy and stubbed CAPI', async () => { - // This is the Phase 6 §5.2 integration test: real ClaudeProxyService - // + real ClaudeAgent + stubbed ICopilotApiService + recording SDK - // service that performs a real HTTP round-trip on the proxy from - // inside `startup()`. Catches regressions in any of: - // - Agent's `Options.settings.env` wiring (BASE_URL / AUTH_TOKEN). - // - Proxy's `Bearer .` parser. - // - Proxy's model-id rewrite (SDK ↔ endpoint format). - // - Proxy's SSE frame encoding. - // - Agent's `Options.env` strip contract. - const capi = new StubCopilotApiService(); - capi.streamEvents = makeCannedStream('claude-opus-4.6'); - - const realProxy = disposables.add(new ClaudeProxyService(new NullLogService(), capi)); - const sdk = new ProxyRoundTripSdkService(); - - const services = new ServiceCollection( - [ILogService, new NullLogService()], - [ICopilotApiService, capi], - [IClaudeProxyService, realProxy], - [ISessionDataService, createSessionDataService()], - [IClaudeAgentSdkService, sdk], - [IAgentHostGitService, createNoopGitService()], - ); - const instantiationService = disposables.add(new InstantiationService(services)); - const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); - - // Authenticate — boots the proxy and snapshots the model list. - const accepted = await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'gh-int-test-token'); - assert.strictEqual(accepted, true); - - // Create a provisional session — no SDK contact yet. - const created = await agent.createSession({ workingDirectory: URI.file('/integration-cwd') }); - assert.strictEqual(sdk.capturedStartupOptions.length, 0, 'createSession does not touch the SDK'); - - // Stage a transcript on the SDK so `sendMessage` resolves. - const sessionId = created.session.path.replace(/^\//, ''); - sdk.queryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; - - // First send materializes — drives `startup()`, which performs - // the real HTTP round-trip on the real proxy. - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - // Snapshot what flowed through the integration in a single - // assertion so the failure surface is the whole pipeline. - const startup = sdk.capturedStartupOptions[0]; - const round = sdk.proxyRoundTrips[0]; - const startupSettings = startup.settings; - const settingsEnv = (startupSettings && typeof startupSettings === 'object' && startupSettings.env) ? startupSettings.env : {}; - assert.deepStrictEqual({ - startupCallCount: sdk.capturedStartupOptions.length, - roundTripCount: sdk.proxyRoundTrips.length, - capiCallCount: capi.messagesCallCount.count, - startupCwd: startup.cwd, - startupSessionId: startup.sessionId, - startupExecutable: startup.executable, - subprocessElectronRunAsNode: startup.env?.['ELECTRON_RUN_AS_NODE'], - subprocessNodeOptions: startup.env?.['NODE_OPTIONS'], - subprocessAnthropicApiKey: startup.env?.['ANTHROPIC_API_KEY'], - settingsBaseUrlIsLoopback: typeof settingsEnv['ANTHROPIC_BASE_URL'] === 'string' - && settingsEnv['ANTHROPIC_BASE_URL'].startsWith('http://127.0.0.1:'), - settingsBearerHasNonceAndSession: typeof settingsEnv['ANTHROPIC_AUTH_TOKEN'] === 'string' - && settingsEnv['ANTHROPIC_AUTH_TOKEN'].split('.').length === 2 - && settingsEnv['ANTHROPIC_AUTH_TOKEN'].endsWith(`.${sessionId}`), - httpStatus: round.status, - httpContentType: round.contentType, - eventTypes: round.events.map(e => e.type), - }, { - startupCallCount: 1, - roundTripCount: 1, - capiCallCount: 1, - startupCwd: URI.file('/integration-cwd').fsPath, - startupSessionId: sessionId, - startupExecutable: process.execPath, - subprocessElectronRunAsNode: '1', - subprocessNodeOptions: undefined, - subprocessAnthropicApiKey: undefined, - settingsBaseUrlIsLoopback: true, - settingsBearerHasNonceAndSession: true, - httpStatus: 200, - httpContentType: 'text/event-stream', - eventTypes: [ - 'message_start', - 'content_block_start', - 'content_block_delta', - 'content_block_stop', - 'message_delta', - 'message_stop', - ], - }); - - // Cleanup: dispose the agent and assert the WarmQuery was - // closed via Symbol.asyncDispose (no orphan subprocess). - await agent.disposeSession(created.session); - assert.strictEqual(sdk.warmQueries[0].asyncDisposeCount, 1, 'WarmQuery is asyncDisposed on session dispose'); - }); - - test('proxy rejects a request whose bearer carries a wrong nonce (auth contract)', async () => { - // Companion test that locks the proxy's auth contract from - // outside the agent. If the agent ever drifts away from - // `Bearer .`, the round-trip in the test - // above fails — but this test guarantees the proxy itself - // rejects forged bearers regardless of the agent. - const capi = new StubCopilotApiService(); - const realProxy = disposables.add(new ClaudeProxyService(new NullLogService(), capi)); - const handle = await realProxy.start('gh-int-test-token'); - try { - const result = await postSseToProxy( - `${handle.baseUrl}/v1/messages`, - 'wrong-nonce.session-x', - { model: 'claude-opus-4-6', messages: [], stream: true }, - ); - assert.strictEqual(result.status, 401); - assert.strictEqual(capi.messagesCallCount.count, 0, 'auth check fires before any upstream call'); - } finally { - handle.dispose(); - } - }); -}); - -// #endregion diff --git a/src/vs/platform/agentHost/test/node/claudeAgent.test.ts b/src/vs/platform/agentHost/test/node/claudeAgent.test.ts index 2aebf215b3e421..18d184fd4228b3 100644 --- a/src/vs/platform/agentHost/test/node/claudeAgent.test.ts +++ b/src/vs/platform/agentHost/test/node/claudeAgent.test.ts @@ -4,27 +4,11 @@ *--------------------------------------------------------------------------------------------*/ import type Anthropic from '@anthropic-ai/sdk'; -import type { Options, Query, SDKMessage, SDKPartialAssistantMessage, SDKResultSuccess, SDKSessionInfo, SDKSystemMessage, SDKUserMessage, WarmQuery } from '@anthropic-ai/claude-agent-sdk'; import type { CCAModel } from '@vscode/copilot-api'; - -// Beta event-stream type aliases. The Anthropic namespace re-exports these -// from `@anthropic-ai/sdk/resources/beta/messages.js`, but importing that -// subpath directly trips the `local/code-import-patterns` allowlist -// (the agentHost rule only permits the bare `@anthropic-ai/sdk` specifier). -// Local aliases via the existing `Anthropic` import keep the body of this -// file readable without extending the allowlist. -type BetaRawContentBlockDeltaEvent = Anthropic.Beta.BetaRawContentBlockDeltaEvent; -type BetaRawContentBlockStartEvent = Anthropic.Beta.BetaRawContentBlockStartEvent; -type BetaRawContentBlockStopEvent = Anthropic.Beta.BetaRawContentBlockStopEvent; -type BetaRawMessageStartEvent = Anthropic.Beta.BetaRawMessageStartEvent; -type BetaRawMessageStopEvent = Anthropic.Beta.BetaRawMessageStopEvent; import assert from 'assert'; import { DeferredPromise } from '../../../../base/common/async.js'; -import { Event } from '../../../../base/common/event.js'; import type { DisposableStore } from '../../../../base/common/lifecycle.js'; import { URI } from '../../../../base/common/uri.js'; -import { isUUID } from '../../../../base/common/uuid.js'; -import { isCancellationError } from '../../../../base/common/errors.js'; import { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../base/test/common/utils.js'; import { ServiceCollection } from '../../../instantiation/common/serviceCollection.js'; import { InstantiationService } from '../../../instantiation/common/instantiationService.js'; @@ -32,17 +16,12 @@ import { IInstantiationService } from '../../../instantiation/common/instantiati import { ILogService, NullLogService } from '../../../log/common/log.js'; import { IProductService } from '../../../product/common/productService.js'; import { FileService } from '../../../files/common/fileService.js'; -import { IAgentMaterializeSessionEvent, AgentSession, AgentSignal, GITHUB_COPILOT_PROTECTED_RESOURCE } from '../../common/agentService.js'; -import { ActionType } from '../../common/state/sessionActions.js'; -import { ResponsePartKind, AttachmentType } from '../../common/state/sessionState.js'; -import { ISessionDataService } from '../../common/sessionDataService.js'; -import { IAgentHostGitService } from '../../node/agentHostGitService.js'; +import { AgentSession } from '../../common/agentService.js'; import { ClaudeAgent } from '../../node/claude/claudeAgent.js'; -import { ClaudeAgentSdkService, IClaudeAgentSdkService, IClaudeSdkBindings } from '../../node/claude/claudeAgentSdkService.js'; import { IClaudeProxyHandle, IClaudeProxyService } from '../../node/claude/claudeProxyService.js'; import { ICopilotApiService, type ICopilotApiServiceRequestOptions } from '../../node/shared/copilotApiService.js'; import { AgentService } from '../../node/agentService.js'; -import { createNoopGitService, createNullSessionDataService, createSessionDataService, TestSessionDatabase } from '../common/sessionTestHelpers.js'; +import { createNoopGitService, createNullSessionDataService } from '../common/sessionTestHelpers.js'; // #region Test fakes @@ -78,403 +57,6 @@ class FakeCopilotApiService implements ICopilotApiService { countTokens(): Promise { throw new Error('not used in ClaudeAgent tests'); } } -class FakeClaudeAgentSdkService implements IClaudeAgentSdkService { - declare readonly _serviceBrand: undefined; - - /** - * Mutable list returned by {@link listSessions}. Tests assign it - * before invoking the agent under test. Defaults to empty so suites - * that don't care about session enumeration aren't forced to set it. - */ - sessionList: readonly SDKSessionInfo[] = []; - listSessionsCallCount = 0; - - /** - * Phase 6: counts {@link startup} invocations. The Phase-6 contract - * is that materialization is the FIRST `startup()` call, so this - * field anchors invariants like "non-fork createSession does not - * touch the SDK" and "materialize fires exactly once". - */ - startupCallCount = 0; - - /** - * Captures every {@link Options} argument forwarded to {@link startup}. - * Tests assert env strip, abortController identity, sessionId / resume - * routing, and the canUseTool stub via this list. - */ - readonly capturedStartupOptions: Options[] = []; - - /** - * Programmable rejection for {@link startup}. Set per test to simulate - * SDK init failure (corrupt postinstall, network error, abort during - * init handshake). Cleared automatically after the first throw — set - * to a fresh value if a test wants repeated failures. - */ - startupRejection: Error | undefined; - - /** - * Messages the {@link FakeQuery} produced by `warm.query(...)` will - * yield. Tests stage the SDK transcript here before invoking - * `sendMessage`. The default empty array means the prompt iterable - * is consumed but no messages stream back — useful for tests that - * never expect a `result` (e.g. cancellation paths). - */ - nextQueryMessages: SDKMessage[] = []; - - /** - * Optional async hook invoked between yielded messages. Tests use it - * to block the iterator at a specific index so concurrent - * `sendMessage` / `disposeSession` / `shutdown` races can be staged - * deterministically. Resolves immediately when undefined. - */ - queryAdvance: ((index: number) => Promise) | undefined; - - /** All warm queries produced by {@link startup}. Last entry is the most recent. */ - readonly warmQueries: FakeWarmQuery[] = []; - - /** - * Programmable rejection for {@link listSessions}. Set per test to - * simulate the SDK dynamic import failing (corrupt postinstall, - * missing optional dep). Mirror of {@link startupRejection}. - */ - listSessionsRejection: Error | undefined; - - async listSessions(): Promise { - this.listSessionsCallCount++; - if (this.listSessionsRejection) { - const err = this.listSessionsRejection; - throw err; - } - return this.sessionList; - } - - async startup(params: { options: Options; initializeTimeoutMs?: number }): Promise { - this.startupCallCount++; - this.capturedStartupOptions.push(params.options); - if (this.startupRejection) { - const err = this.startupRejection; - this.startupRejection = undefined; - throw err; - } - const warm = new FakeWarmQuery(this); - this.warmQueries.push(warm); - return warm; - } -} - -/** - * Test double for `WarmQuery`. Each instance is bound to a single - * `FakeClaudeAgentSdkService` so mutations to `nextQueryMessages` after - * `startup()` resolves but before `warm.query(...)` runs still propagate. - */ -class FakeWarmQuery implements WarmQuery { - queryCallCount = 0; - asyncDisposeCount = 0; - closeCount = 0; - /** The {@link FakeQuery} returned from `query()`. Undefined before. */ - produced: FakeQuery | undefined; - - constructor(private readonly _sdk: FakeClaudeAgentSdkService) { } - - query(prompt: string | AsyncIterable): Query { - this.queryCallCount++; - if (typeof prompt === 'string') { - throw new Error('FakeWarmQuery: agent host always passes an AsyncIterable, never a string prompt'); - } - const q = new FakeQuery(prompt, this._sdk); - this.produced = q; - return q; - } - - close(): void { - this.closeCount++; - } - - async [Symbol.asyncDispose](): Promise { - this.asyncDisposeCount++; - } -} - -/** - * Test double for the SDK's `Query` AsyncGenerator. Snapshots the bound - * prompt iterable on construction so tests can assert on what the agent - * actually pushed to the SDK, then yields messages from - * {@link FakeClaudeAgentSdkService.nextQueryMessages} in order. - */ -class FakeQuery implements AsyncGenerator { - /** The iterable passed to `warm.query(...)`. */ - readonly capturedPrompt: AsyncIterable; - - /** Prompts the agent has actually pushed (drained from `capturedPrompt` by `_collectPrompts`). */ - readonly drainedPrompts: SDKUserMessage[] = []; - - interruptCount = 0; - returnCount = 0; - throwCount = 0; - - private _yieldIndex = 0; - - constructor(prompt: AsyncIterable, private readonly _sdk: FakeClaudeAgentSdkService) { - this.capturedPrompt = prompt; - const iterator = prompt[Symbol.asyncIterator](); - // Drain the prompt iterable in the background so the agent's - // `_pendingPromptDeferred.complete()` actually pumps the queue. - // The real SDK consumes prompts as they arrive; this fake mirrors - // that pull behavior without waiting for the full transcript first. - void (async () => { - while (true) { - const r = await iterator.next(); - if (r.done) { - return; - } - this.drainedPrompts.push(r.value); - } - })(); - } - - [Symbol.asyncIterator](): AsyncGenerator { - return this; - } - - async next(): Promise> { - if (this._sdk.queryAdvance) { - await this._sdk.queryAdvance(this._yieldIndex); - } - if (this._yieldIndex >= this._sdk.nextQueryMessages.length) { - return { done: true, value: undefined }; - } - const value = this._sdk.nextQueryMessages[this._yieldIndex++]; - return { done: false, value }; - } - - async return(_value: void): Promise> { - this.returnCount++; - return { done: true, value: undefined }; - } - - async throw(err: unknown): Promise> { - this.throwCount++; - throw err; - } - - async interrupt(): Promise { - this.interruptCount++; - } - - // Phase 6 doesn't exercise the rest of the Query control surface; if a - // test trips one of these, surface it loudly so we know to model it. - setPermissionMode(): never { throw new Error('FakeQuery: setPermissionMode not modeled'); } - setModel(): never { throw new Error('FakeQuery: setModel not modeled'); } - setMaxThinkingTokens(): never { throw new Error('FakeQuery: setMaxThinkingTokens not modeled'); } - applyFlagSettings(): never { throw new Error('FakeQuery: applyFlagSettings not modeled'); } - initializationResult(): never { throw new Error('FakeQuery: initializationResult not modeled'); } - supportedCommands(): never { throw new Error('FakeQuery: supportedCommands not modeled'); } - supportedModels(): never { throw new Error('FakeQuery: supportedModels not modeled'); } - supportedAgents(): never { throw new Error('FakeQuery: supportedAgents not modeled'); } - mcpServerStatus(): never { throw new Error('FakeQuery: mcpServerStatus not modeled'); } - getContextUsage(): never { throw new Error('FakeQuery: getContextUsage not modeled'); } - reloadPlugins(): never { throw new Error('FakeQuery: reloadPlugins not modeled'); } - accountInfo(): never { throw new Error('FakeQuery: accountInfo not modeled'); } - rewindFiles(): never { throw new Error('FakeQuery: rewindFiles not modeled'); } - seedReadState(): never { throw new Error('FakeQuery: seedReadState not modeled'); } - reconnectMcpServer(): never { throw new Error('FakeQuery: reconnectMcpServer not modeled'); } - toggleMcpServer(): never { throw new Error('FakeQuery: toggleMcpServer not modeled'); } - setMcpServers(): never { throw new Error('FakeQuery: setMcpServers not modeled'); } - streamInput(): never { throw new Error('FakeQuery: streamInput not modeled'); } - stopTask(): never { throw new Error('FakeQuery: stopTask not modeled'); } - close(): void { /* no-op */ } - [Symbol.asyncDispose](): Promise { return Promise.resolve(); } -} - -// #region SDK message builders -// -// The SDK's `SDKMessage` union has many required fields that aren't -// relevant to most agent-host tests (deep `NonNullableUsage` shape, -// `SDKSystemMessage`'s `tools`/`mcp_servers`/etc.). These builders -// produce fully-typed values without `as unknown` casts so tests can -// stage transcripts ergonomically. - -/** Stable test UUID — reused so assertions can pin against a known value. */ -const TEST_UUID = '11111111-2222-3333-4444-555555555555'; - -function makeNonNullableUsage(): SDKResultSuccess['usage'] { - return { - cache_creation: { ephemeral_1h_input_tokens: 0, ephemeral_5m_input_tokens: 0 }, - cache_creation_input_tokens: 0, - cache_read_input_tokens: 0, - inference_geo: 'unknown', - input_tokens: 0, - iterations: [], - output_tokens: 0, - server_tool_use: { web_fetch_requests: 0, web_search_requests: 0 }, - service_tier: 'standard', - speed: 'standard', - }; -} - -function makeSystemInitMessage(sessionId: string): SDKSystemMessage { - return { - type: 'system', - subtype: 'init', - apiKeySource: 'user', - claude_code_version: '0.0.0-test', - cwd: '/workspace', - tools: [], - mcp_servers: [], - model: 'claude-test', - permissionMode: 'default', - slash_commands: [], - output_style: 'default', - skills: [], - plugins: [], - uuid: TEST_UUID, - session_id: sessionId, - }; -} - -function makeResultSuccess(sessionId: string): SDKResultSuccess { - return { - type: 'result', - subtype: 'success', - duration_ms: 0, - duration_api_ms: 0, - is_error: false, - num_turns: 1, - result: '', - stop_reason: 'end_turn', - total_cost_usd: 0, - usage: makeNonNullableUsage(), - modelUsage: {}, - permission_denials: [], - uuid: TEST_UUID, - session_id: sessionId, - }; -} - -// `stream_event` (SDKPartialAssistantMessage) builders. The SDK's -// `Options.includePartialMessages: true` setting (Phase 6 §3.4) routes -// raw `BetaRawMessageStreamEvent`s through to the agent so we can map -// per-token. The deep `BetaMessage` shape on `message_start` carries -// many required fields irrelevant to mapping; these helpers populate -// only what the mapper reads, with everything else set to safe zero -// values so the SDK type-checks pass without `as unknown` casts. - -function makeStreamEvent( - sessionId: string, - event: SDKPartialAssistantMessage['event'], -): SDKPartialAssistantMessage { - return { - type: 'stream_event', - event, - parent_tool_use_id: null, - uuid: TEST_UUID, - session_id: sessionId, - }; -} - -function makeMessageStart(): BetaRawMessageStartEvent { - return { - type: 'message_start', - message: { - id: 'msg_test', - type: 'message', - role: 'assistant', - model: 'claude-test', - content: [], - stop_reason: null, - stop_sequence: null, - stop_details: null, - container: null, - context_management: null, - usage: { - cache_creation: { ephemeral_1h_input_tokens: 0, ephemeral_5m_input_tokens: 0 }, - cache_creation_input_tokens: 0, - cache_read_input_tokens: 0, - inference_geo: 'unknown', - input_tokens: 0, - iterations: [], - output_tokens: 0, - server_tool_use: { web_fetch_requests: 0, web_search_requests: 0 }, - service_tier: 'standard', - speed: 'standard', - }, - }, - }; -} - -function makeContentBlockStartText(index: number): BetaRawContentBlockStartEvent { - return { - type: 'content_block_start', - index, - content_block: { type: 'text', text: '', citations: null }, - }; -} - -function makeContentBlockStartThinking(index: number): BetaRawContentBlockStartEvent { - return { - type: 'content_block_start', - index, - content_block: { type: 'thinking', thinking: '', signature: '' }, - }; -} - -function makeTextDelta(index: number, text: string): BetaRawContentBlockDeltaEvent { - return { - type: 'content_block_delta', - index, - delta: { type: 'text_delta', text }, - }; -} - -function makeThinkingDelta(index: number, thinking: string): BetaRawContentBlockDeltaEvent { - return { - type: 'content_block_delta', - index, - delta: { type: 'thinking_delta', thinking }, - }; -} - -function makeContentBlockStop(index: number): BetaRawContentBlockStopEvent { - return { - type: 'content_block_stop', - index, - }; -} - -function makeMessageStop(): BetaRawMessageStopEvent { - return { type: 'message_stop' }; -} - -// #endregion - -/** - * Wraps a delegate {@link ISessionDataService} and records call counts so - * tests can assert that lifecycle methods (e.g. non-fork `createSession`) - * don't touch the database. The delegate's behavior is preserved verbatim. - */ -class RecordingSessionDataService implements ISessionDataService { - declare readonly _serviceBrand: undefined; - - openDatabaseCallCount = 0; - tryOpenDatabaseCallCount = 0; - - constructor(private readonly _delegate: ISessionDataService) { } - - getSessionDataDir(session: URI) { return this._delegate.getSessionDataDir(session); } - getSessionDataDirById(sessionId: string) { return this._delegate.getSessionDataDirById(sessionId); } - openDatabase(session: URI) { - this.openDatabaseCallCount++; - return this._delegate.openDatabase(session); - } - tryOpenDatabase(session: URI) { - this.tryOpenDatabaseCallCount++; - return this._delegate.tryOpenDatabase(session); - } - deleteSessionData(session: URI) { return this._delegate.deleteSessionData(session); } - cleanupOrphanedData(knownSessionIds: Set) { return this._delegate.cleanupOrphanedData(knownSessionIds); } - whenIdle() { return this._delegate.whenIdle(); } -} - // #endregion // #region Fixture models @@ -482,7 +64,7 @@ class RecordingSessionDataService implements ISessionDataService { /** Build a {@link CCAModel} with sensible defaults; override per test. */ function makeModel(overrides: Partial & { readonly id: string; readonly name: string; readonly vendor: string }): CCAModel { return { - billing: { is_premium: false, multiplier: 1, restricted_to: [] }, + billing: { is_premium: false, multiplier: 1, restricted_to: [] } as unknown as CCAModel['billing'], capabilities: { family: 'test', limits: { max_context_window_tokens: 200_000, max_output_tokens: 8192, max_prompt_tokens: 200_000 }, @@ -536,28 +118,21 @@ interface ITestContext { readonly agent: ClaudeAgent; readonly proxy: FakeClaudeProxyService; readonly api: FakeCopilotApiService; - readonly sdk: FakeClaudeAgentSdkService; - readonly sessionData: RecordingSessionDataService; } function createTestContext(disposables: Pick): ITestContext { const proxy = new FakeClaudeProxyService(); const api = new FakeCopilotApiService(); api.models = async () => [...ALL_MODELS]; - const sdk = new FakeClaudeAgentSdkService(); - const sessionData = new RecordingSessionDataService(createSessionDataService()); const services = new ServiceCollection( [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], - [ISessionDataService, sessionData], - [IClaudeAgentSdkService, sdk], - [IAgentHostGitService, createNoopGitService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); - return { agent, proxy, api, sdk, sessionData }; + return { agent, proxy, api }; } /** Drains the microtask queue so awaited refresh writes settle. */ @@ -696,9 +271,6 @@ suite('ClaudeAgent', () => { [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], - [ISessionDataService, createNullSessionDataService()], - [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], - [IAgentHostGitService, createNoopGitService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); @@ -757,8 +329,6 @@ suite('ClaudeAgent', () => { [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], - [ISessionDataService, createNullSessionDataService()], - [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = instantiationService.createInstance(ClaudeAgent); @@ -772,64 +342,35 @@ suite('ClaudeAgent', () => { assert.strictEqual(proxy.disposeCount, 1); }); - test('stubbed methods throw with the right phase number', async () => { - // `abortSession` and `changeModel` MUST return a rejected promise - // (not throw synchronously). AgentSideEffects.handleAction chains - // `.catch()` on the result to surface the error as a SessionError - // action; a synchronous throw escapes that chain and the workbench - // hangs forever on a turn that never finishes (the live smoke - // caught this in the Phase 5 walk). - // `respondToPermissionRequest`/`respondToUserInputRequest` are - // `void`-returning by interface, so they throw synchronously and we - // capture that via try/catch. - // - // Phase 6 update: `sendMessage` graduated from the stubbed list — - // it now materializes the provisional session and forwards to - // `ClaudeAgentSession.send`. Its negative path (unknown session - // id) is covered by Cycle 12; keep this test focused on stubs. + test('stubbed methods throw with the right phase number', () => { const { agent } = createTestContext(disposables); - const promiseCases: Array<{ name: string; phase: number; thunk: () => Promise }> = [ - { name: 'abortSession', phase: 9, thunk: () => agent.abortSession(URI.parse('claude:/x')) }, - { name: 'changeModel', phase: 9, thunk: () => agent.changeModel(URI.parse('claude:/x'), { id: 'claude-opus-4.5' }) }, - ]; - const voidCases: Array<{ name: string; phase: number; thunk: () => void }> = [ + const cases: Array<{ name: string; phase: number; thunk: () => unknown }> = [ + { name: 'createSession', phase: 5, thunk: () => agent.createSession() }, + { name: 'sendMessage', phase: 6, thunk: () => agent.sendMessage(URI.parse('claude:/x'), 'hi') }, { name: 'respondToPermissionRequest', phase: 7, thunk: () => agent.respondToPermissionRequest('id', true) }, + { name: 'abortSession', phase: 9, thunk: () => agent.abortSession(URI.parse('claude:/x')) }, ]; - - const observed: Array<{ name: string; message: string; sync: boolean }> = []; - for (const c of promiseCases) { - let p: Promise; - try { - p = c.thunk(); - } catch (e) { - // Synchronous throw — the bug we're guarding against. - observed.push({ name: c.name, message: e instanceof Error ? e.message : String(e), sync: true }); - continue; - } - let message = 'no-throw'; - try { - await p; - } catch (e) { - message = e instanceof Error ? e.message : String(e); - } - observed.push({ name: c.name, message, sync: false }); - } - for (const c of voidCases) { + const observed = cases.map(c => { try { - c.thunk(); - observed.push({ name: c.name, message: 'no-throw', sync: false }); + const result = c.thunk(); + if (result instanceof Promise) { + // Surface the rejection synchronously for snapshotting. + let err: Error | undefined; + result.catch(e => { err = e instanceof Error ? e : new Error(String(e)); }); + // Async stubs throw synchronously in this implementation, + // but if a future stub uses `async` the thunk will return + // a rejected promise — fall through and miss the assertion. + return { name: c.name, message: err?.message ?? 'no-throw' }; + } + return { name: c.name, message: 'no-throw' }; } catch (e) { - observed.push({ name: c.name, message: e instanceof Error ? e.message : String(e), sync: true }); + return { name: c.name, message: e instanceof Error ? e.message : String(e) }; } - } + }); assert.deepStrictEqual( observed, - [ - { name: 'abortSession', message: 'TODO: Phase 9', sync: false }, - { name: 'changeModel', message: 'TODO: Phase 9', sync: false }, - { name: 'respondToPermissionRequest', message: 'TODO: Phase 7', sync: true }, - ], + cases.map(c => ({ name: c.name, message: `TODO: Phase ${c.phase}` })), ); }); @@ -871,8 +412,6 @@ suite('ClaudeAgent', () => { [ILogService, new NullLogService()], [ICopilotApiService, api], [IClaudeProxyService, proxy], - [ISessionDataService, createNullSessionDataService()], - [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], ); const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); @@ -890,1430 +429,4 @@ suite('ClaudeAgent', () => { await tick(); assert.deepStrictEqual(agent.models.get().map(m => m.id), [CLAUDE_SONNET.id]); }); - - // #region Phase 5 — session lifecycle - - test('createSession (non-fork) returns a claude:/ URI with provisional: true; no DB or SDK contact', async () => { - // Phase 6 §5.1 Test 1. Per-session DB is overlay/cache only and - // the SDK subprocess fork is deferred until first sendMessage. - // `provisional: true` opts the session into the AgentService's - // deferred-`sessionAdded` protocol. Workbench eagerly creates - // sessions on folder-pick + arms a 30s GC; for an empty Claude - // session that's a cheap in-memory drop because nothing has - // been persisted yet. - const { agent, sdk, sessionData } = createTestContext(disposables); - - const result = await agent.createSession({ workingDirectory: URI.parse('file:///workspace') }); - - assert.deepStrictEqual({ - scheme: result.session.scheme, - provider: AgentSession.provider(result.session), - isUuid: isUUID(AgentSession.id(result.session)), - workingDirectory: result.workingDirectory?.toString(), - provisional: result.provisional, - openDatabaseCalls: sessionData.openDatabaseCallCount, - tryOpenDatabaseCalls: sessionData.tryOpenDatabaseCallCount, - startupCallCount: sdk.startupCallCount, - listSessionsCallCount: sdk.listSessionsCallCount, - }, { - scheme: 'claude', - provider: 'claude', - isUuid: true, - workingDirectory: 'file:///workspace', - provisional: true, - openDatabaseCalls: 0, - tryOpenDatabaseCalls: 0, - startupCallCount: 0, - listSessionsCallCount: 0, - }); - }); - - test('createSession honors config.session when the workbench pre-mints the URI', async () => { - // Workbench eagerly mints the session URI client-side (PR #313841 - // folder-pick path) and round-trips it through createSession so - // the chat editor can render immediately. AgentService then - // double-checks the returned URI matches and surfaces "Agent - // host returned unexpected session URI" if the agent ignored - // the hint. Mirrors CopilotAgent's `config.session ? - // AgentSession.id(config.session) : generateUuid()` contract. - const { agent } = createTestContext(disposables); - const expected = AgentSession.uri('claude', 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'); - - const result = await agent.createSession({ session: expected }); - - assert.deepStrictEqual({ - session: result.session.toString(), - provisional: result.provisional, - }, { - session: expected.toString(), - provisional: true, - }); - }); - - test('createSession({ fork }) throws TODO: Phase 6.5 with no side effects', async () => { - // Phase-6 update: fork is deferred to Phase 6.5 because Claude's - // `forkSession(sessionId, { upToMessageId })` takes a message UUID, - // not an event id, and the protocol-turn-ID → message-UUID - // translation needs `sdk.getSessionMessages` (also Phase 6.5). - // Locking the throw message here so a half-implementation can't - // land in Phase 6 without re-greening this case. - const { agent, sessionData, sdk } = createTestContext(disposables); - - await assert.rejects( - agent.createSession({ - fork: { - session: AgentSession.uri('claude', 'src-uuid'), - turnIndex: 0, - turnId: 'turn-1', - }, - }), - /Phase 6\.5/, - ); - - assert.deepStrictEqual({ - openDatabaseCalls: sessionData.openDatabaseCallCount, - tryOpenDatabaseCalls: sessionData.tryOpenDatabaseCallCount, - startupCallCount: sdk.startupCallCount, - listSessionsCallCount: sdk.listSessionsCallCount, - }, { - openDatabaseCalls: 0, - tryOpenDatabaseCalls: 0, - startupCallCount: 0, - listSessionsCallCount: 0, - }); - }); - - test('first sendMessage on a provisional session materializes it (single startup, single materialize event)', async () => { - // Phase 6 §5.1 Test 3 (tracer). Forces the materialize spine into - // existence: `_provisionalSessions` map, `_materializeProvisional`, - // `IClaudeAgentSdkService.startup()`, `_onDidMaterializeSession` - // event, and `entry.send` plumbing in `ClaudeAgentSession`. - // - // Public-interface assertions only: we never read `_sessions` - // or `_provisionalSessions` directly. The behavioral signature - // of "first send materializes" is: - // - SDK `startup()` is called exactly once (was 0 after - // createSession; is 1 after sendMessage). - // - The materialize event fires exactly once with the right URI. - // - The startup options carry the working directory the user - // picked at createSession time. - const { agent, sdk, proxy } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - assert.strictEqual(proxy.startCalls.length, 1, 'proxy started by authenticate'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - assert.strictEqual(sdk.startupCallCount, 0, 'createSession does not touch the SDK'); - - const events: IAgentMaterializeSessionEvent[] = []; - assert.ok(agent.onDidMaterializeSession, 'agent must expose onDidMaterializeSession'); - disposables.add(agent.onDidMaterializeSession(e => events.push(e))); - - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeResultSuccess(sessionId), - ]; - - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - assert.deepStrictEqual({ - startupCallCount: sdk.startupCallCount, - materializeEventCount: events.length, - eventSession: events[0]?.session.toString(), - eventCwd: events[0]?.workingDirectory?.fsPath, - startupOptionsCwd: sdk.capturedStartupOptions[0]?.cwd, - startupOptionsSessionId: sdk.capturedStartupOptions[0]?.sessionId, - }, { - startupCallCount: 1, - materializeEventCount: 1, - eventSession: created.session.toString(), - eventCwd: URI.file('/work').fsPath, - startupOptionsCwd: URI.file('/work').fsPath, - startupOptionsSessionId: sessionId, - }); - }); - - test('materialize event payload shape — { session, workingDirectory, project: undefined }', async () => { - // Phase 6 §5.1 Test 4. Pins the {@link IAgentMaterializeSessionEvent} - // payload independently of the tracer in Test 3. The default - // {@link createNoopGitService} produces no project metadata, so - // `project` is `undefined`. AgentService relies on this exact - // shape to forward to its `sessionAdded` notification (it spreads - // the event into `IAgentSessionMetadata`-shaped fields), so a - // snapshot here is the load-bearing contract. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const cwd = URI.file('/payload-shape'); - const created = await agent.createSession({ workingDirectory: cwd }); - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; - - const events: IAgentMaterializeSessionEvent[] = []; - assert.ok(agent.onDidMaterializeSession); - disposables.add(agent.onDidMaterializeSession(e => events.push(e))); - - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - assert.strictEqual(events.length, 1, 'event fires exactly once'); - const ev = events[0]; - assert.deepStrictEqual({ - session: ev.session.toString(), - workingDirectory: ev.workingDirectory?.toString(), - project: ev.project, - keys: Object.keys(ev).sort(), - }, { - session: created.session.toString(), - workingDirectory: cwd.toString(), - project: undefined, - keys: ['project', 'session', 'workingDirectory'], - }); - }); - - test('two sendMessage calls reuse the materialized Query', async () => { - // Phase 6 §5.1 Test 5. After the first send materializes the - // session, subsequent sends MUST push onto the same prompt - // iterable / SDK Query — they MUST NOT re-fork the subprocess - // (`startup()` is expensive and would lose conversational state - // since the SDK's resume-from-session-id only kicks in on init). - // The invariants here are: (a) `startup()` is called exactly once - // across both turns, (b) `warm.query()` is bound exactly once, - // (c) both deferreds resolve on their respective `result` SDK - // messages, (d) both prompts traverse the prompt iterable. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - - // Stage two turns. Park the iterator at index 2 (right after the - // first `result`) until the test releases it; this proves the - // second send reuses the same Query rather than spawning a new - // one (the gate would otherwise be irrelevant). Index choice - // mirrors plan §5.1 test 5. - const advance = new DeferredPromise(); - sdk.queryAdvance = async (idx: number) => { - if (idx === 2) { - await advance.p; - } - }; - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeResultSuccess(sessionId), - makeResultSuccess(sessionId), - ]; - - // First turn — materializes; resolves on result(idx=1). - await agent.sendMessage(created.session, 'turn-1', undefined, 'turn-id-1'); - - // Snapshot before the second send so we can assert the second send - // did NOT call startup() again. - const startupCallsAfterTurn1 = sdk.startupCallCount; - const queryCallsAfterTurn1 = sdk.warmQueries[0]?.queryCallCount ?? -1; - - // Second turn — pushes onto the existing Query. - const p2 = agent.sendMessage(created.session, 'turn-2', undefined, 'turn-id-2'); - // Release the parked iterator so result(idx=2) flows through. - advance.complete(); - await p2; - - assert.deepStrictEqual({ - startupCallsAfterTurn1, - startupCallsAfterTurn2: sdk.startupCallCount, - queryCallsAfterTurn1, - queryCallsAfterTurn2: sdk.warmQueries[0]?.queryCallCount, - warmQueryCount: sdk.warmQueries.length, - drainedPromptCount: sdk.warmQueries[0]?.produced?.drainedPrompts.length, - }, { - startupCallsAfterTurn1: 1, - startupCallsAfterTurn2: 1, - queryCallsAfterTurn1: 1, - queryCallsAfterTurn2: 1, - warmQueryCount: 1, - drainedPromptCount: 2, - }); - }); - - test('text content_block emits SessionResponsePart(Markdown) before SessionDelta', async () => { - // Phase 6 §5.1 Test 6 + §3.6. The protocol reducer at - // `actions.ts:233 (SessionDelta)` requires the targeted - // `SessionResponsePart` to have already been emitted, otherwise - // the delta has nowhere to land. This test pins that ordering by - // staging a single text turn and asserting the first emitted - // `SessionResponsePart(Markdown, partId=X)` precedes every - // `SessionDelta(partId=X)` for the same X. The mapper allocates - // the partId on `content_block_start`, BEFORE any delta can - // arrive (deltas are SDK-ordered after the start), so the - // invariant holds by construction. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeStreamEvent(sessionId, makeMessageStart()), - makeStreamEvent(sessionId, makeContentBlockStartText(0)), - makeStreamEvent(sessionId, makeTextDelta(0, 'hello ')), - makeStreamEvent(sessionId, makeTextDelta(0, 'world')), - makeStreamEvent(sessionId, makeContentBlockStop(0)), - makeStreamEvent(sessionId, makeMessageStop()), - makeResultSuccess(sessionId), - ]; - - const signals: AgentSignal[] = []; - disposables.add(agent.onDidSessionProgress(s => signals.push(s))); - - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - const actionSignals = signals.filter(s => s.kind === 'action'); - const partActions = actionSignals - .map((s, i) => ({ s, i })) - .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionResponsePart); - const deltaActions = actionSignals - .map((s, i) => ({ s, i })) - .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionDelta); - - assert.strictEqual(partActions.length, 1, 'exactly one Markdown response part'); - assert.strictEqual(deltaActions.length, 2, 'two text deltas'); - - const part = partActions[0].s.kind === 'action' && partActions[0].s.action.type === ActionType.SessionResponsePart - ? partActions[0].s.action - : undefined; - const firstDelta = deltaActions[0].s.kind === 'action' && deltaActions[0].s.action.type === ActionType.SessionDelta - ? deltaActions[0].s.action - : undefined; - const secondDelta = deltaActions[1].s.kind === 'action' && deltaActions[1].s.action.type === ActionType.SessionDelta - ? deltaActions[1].s.action - : undefined; - - assert.ok(part, 'SessionResponsePart action present'); - assert.ok(firstDelta, 'first SessionDelta action present'); - assert.ok(secondDelta, 'second SessionDelta action present'); - assert.strictEqual(part.part.kind, ResponsePartKind.Markdown, 'part kind is Markdown'); - - assert.deepStrictEqual({ - partKindIsMarkdown: part.part.kind === ResponsePartKind.Markdown, - partPrecedesDelta: partActions[0].i < deltaActions[0].i, - partIdsMatch: part.part.id === firstDelta.partId && part.part.id === secondDelta.partId, - turnId: part.turnId, - deltaTexts: [firstDelta.content, secondDelta.content], - session: part.session.toString(), - }, { - partKindIsMarkdown: true, - partPrecedesDelta: true, - partIdsMatch: true, - turnId: 'turn-1', - deltaTexts: ['hello ', 'world'], - session: created.session.toString(), - }); - }); - - test('thinking content_block emits SessionResponsePart(Reasoning) before SessionReasoning', async () => { - // Phase 6 §5.1 Test 7. Same ordering invariant as Test 6 but for - // extended-thinking blocks: `SessionResponsePart(Reasoning)` MUST - // precede every `SessionReasoning(partId)` for the same partId - // (`actions.ts:540` reducer requires the part to exist). - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeStreamEvent(sessionId, makeMessageStart()), - makeStreamEvent(sessionId, makeContentBlockStartThinking(0)), - makeStreamEvent(sessionId, makeThinkingDelta(0, 'let me think')), - makeStreamEvent(sessionId, makeThinkingDelta(0, ' more')), - makeStreamEvent(sessionId, makeContentBlockStop(0)), - makeStreamEvent(sessionId, makeMessageStop()), - makeResultSuccess(sessionId), - ]; - - const signals: AgentSignal[] = []; - disposables.add(agent.onDidSessionProgress(s => signals.push(s))); - - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - const actionSignals = signals.filter(s => s.kind === 'action'); - const partActions = actionSignals - .map((s, i) => ({ s, i })) - .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionResponsePart); - const reasoningActions = actionSignals - .map((s, i) => ({ s, i })) - .filter(({ s }) => s.kind === 'action' && s.action.type === ActionType.SessionReasoning); - - const part = partActions[0]?.s.kind === 'action' && partActions[0].s.action.type === ActionType.SessionResponsePart - ? partActions[0].s.action - : undefined; - const firstReasoning = reasoningActions[0]?.s.kind === 'action' && reasoningActions[0].s.action.type === ActionType.SessionReasoning - ? reasoningActions[0].s.action - : undefined; - const secondReasoning = reasoningActions[1]?.s.kind === 'action' && reasoningActions[1].s.action.type === ActionType.SessionReasoning - ? reasoningActions[1].s.action - : undefined; - - assert.ok(part, 'SessionResponsePart action present'); - assert.ok(firstReasoning, 'first SessionReasoning action present'); - assert.ok(secondReasoning, 'second SessionReasoning action present'); - assert.ok(part.part.kind === ResponsePartKind.Reasoning, 'part kind is Reasoning'); - - assert.deepStrictEqual({ - partActionsCount: partActions.length, - reasoningActionsCount: reasoningActions.length, - partKindIsReasoning: part.part.kind === ResponsePartKind.Reasoning, - partPrecedesReasoning: partActions[0].i < reasoningActions[0].i, - partIdsMatch: part.part.id === firstReasoning.partId && part.part.id === secondReasoning.partId, - turnId: part.turnId, - reasoningTexts: [firstReasoning.content, secondReasoning.content], - }, { - partActionsCount: 1, - reasoningActionsCount: 2, - partKindIsReasoning: true, - partPrecedesReasoning: true, - partIdsMatch: true, - turnId: 'turn-1', - reasoningTexts: ['let me think', ' more'], - }); - }); - - test('result emits SessionUsage immediately before SessionTurnComplete', async () => { - // Phase 6 §5.1 Test 8 + §4 mapping table. The protocol contract - // requires usage to be reported BEFORE the turn is marked - // complete (otherwise consumers that flush state on - // `SessionTurnComplete` lose the usage attribution). Both - // signals come from the single `result` SDK message; the mapper - // emits them in the prescribed order. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - const result = makeResultSuccess(sessionId); - // Override the zero-default usage with values the mapper must - // forward verbatim into `SessionUsage.usage`. - result.usage.input_tokens = 17; - result.usage.output_tokens = 42; - result.usage.cache_read_input_tokens = 5; - result.modelUsage = { - 'claude-sonnet-4-test': { - inputTokens: 17, - outputTokens: 42, - cacheReadInputTokens: 5, - cacheCreationInputTokens: 0, - webSearchRequests: 0, - costUSD: 0, - contextWindow: 200000, - maxOutputTokens: 8192, - }, - }; - sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), result]; - - const signals: AgentSignal[] = []; - disposables.add(agent.onDidSessionProgress(s => signals.push(s))); - - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - const tail = signals - .map(s => s.kind === 'action' ? s.action : undefined) - .filter((a): a is NonNullable => - a?.type === ActionType.SessionUsage || a?.type === ActionType.SessionTurnComplete); - - const usage = tail[0]?.type === ActionType.SessionUsage ? tail[0] : undefined; - const complete = tail[1]?.type === ActionType.SessionTurnComplete ? tail[1] : undefined; - - assert.ok(usage, 'first action in tail is SessionUsage'); - assert.ok(complete, 'second action in tail is SessionTurnComplete'); - - assert.deepStrictEqual({ - tailLength: tail.length, - usageType: tail[0]?.type, - completeType: tail[1]?.type, - usageTurnId: usage.turnId, - completeTurnId: complete.turnId, - inputTokens: usage.usage.inputTokens, - outputTokens: usage.usage.outputTokens, - cacheReadTokens: usage.usage.cacheReadTokens, - model: usage.usage.model, - }, { - tailLength: 2, - usageType: ActionType.SessionUsage, - completeType: ActionType.SessionTurnComplete, - usageTurnId: 'turn-1', - completeTurnId: 'turn-1', - inputTokens: 17, - outputTokens: 42, - cacheReadTokens: 5, - model: 'claude-sonnet-4-test', - }); - }); - - test('multiple text blocks each get a distinct partId; deltas route correctly', async () => { - // Phase 6 §5.1 Test 9. Anthropic streams interleave text blocks - // (e.g. assistant emits two paragraphs in the same turn). Each - // `content_block_start` event has a distinct `index`; the mapper - // allocates a fresh partId per index and routes deltas via the - // `currentBlockParts` map. This test stages two text blocks at - // indices 0 and 1, sends a delta into each, and asserts the - // allocation produced two distinct partIds and the deltas - // landed on the right one. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeStreamEvent(sessionId, makeMessageStart()), - makeStreamEvent(sessionId, makeContentBlockStartText(0)), - makeStreamEvent(sessionId, makeTextDelta(0, 'first ')), - makeStreamEvent(sessionId, makeContentBlockStop(0)), - makeStreamEvent(sessionId, makeContentBlockStartText(1)), - makeStreamEvent(sessionId, makeTextDelta(1, 'second')), - makeStreamEvent(sessionId, makeContentBlockStop(1)), - makeStreamEvent(sessionId, makeMessageStop()), - makeResultSuccess(sessionId), - ]; - - const signals: AgentSignal[] = []; - disposables.add(agent.onDidSessionProgress(s => signals.push(s))); - - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - const partActions = signals - .map(s => s.kind === 'action' ? s.action : undefined) - .filter(a => a?.type === ActionType.SessionResponsePart); - const deltaActions = signals - .map(s => s.kind === 'action' ? s.action : undefined) - .filter(a => a?.type === ActionType.SessionDelta); - - const part0 = partActions[0]?.type === ActionType.SessionResponsePart ? partActions[0] : undefined; - const part1 = partActions[1]?.type === ActionType.SessionResponsePart ? partActions[1] : undefined; - const delta0 = deltaActions[0]?.type === ActionType.SessionDelta ? deltaActions[0] : undefined; - const delta1 = deltaActions[1]?.type === ActionType.SessionDelta ? deltaActions[1] : undefined; - - assert.ok(part0 && part1, 'two SessionResponsePart actions present'); - assert.ok(delta0 && delta1, 'two SessionDelta actions present'); - - const id0 = part0.part.kind === ResponsePartKind.Markdown ? part0.part.id : ''; - const id1 = part1.part.kind === ResponsePartKind.Markdown ? part1.part.id : ''; - - assert.deepStrictEqual({ - partActionsCount: partActions.length, - deltaActionsCount: deltaActions.length, - distinctPartIds: id0 !== id1, - delta0RoutedToPart0: delta0.partId === id0, - delta1RoutedToPart1: delta1.partId === id1, - delta0Content: delta0.content, - delta1Content: delta1.content, - }, { - partActionsCount: 2, - deltaActionsCount: 2, - distinctPartIds: true, - delta0RoutedToPart0: true, - delta1RoutedToPart1: true, - delta0Content: 'first ', - delta1Content: 'second', - }); - }); - - test('_isResumed flips on first system:init', async () => { - // Phase 6 §5.1 Test 10. The SDK's `system:init` message marks - // the start of a session. Phase 7+ teardown+recreate uses - // `_isResumed` to drive `Options.resume = sessionId` on the - // second `startup()`, signalling the SDK to reuse the existing - // transcript. Phase 6 has no teardown+recreate yet, so the test - // asserts the flag flip directly through a session getter. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; - - // Snapshot before the SDK has streamed any messages. - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - const session = agent.getSessionForTesting(created.session); - assert.ok(session, 'session is materialized'); - assert.strictEqual(session.isResumed, true, 'isResumed flipped after system:init'); - }); - - test('disposing a materialized session aborts the controller and rejects the in-flight send', async () => { - // Phase 6 §5.1 Test 11. The dispose chain registered in - // `ClaudeAgentSession`'s constructor calls - // `abortController.abort()`. The for-await loop sees - // `signal.aborted` and throws `CancellationError`, and the - // `_processMessages` catch latches `_fatalError` + rejects every - // in-flight deferred. Without the latch the in-flight send - // would park forever and the test would hang. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - - // Park the iterator at index 0 so `_processMessages` is - // suspended inside `next()` when dispose runs. After dispose - // flips `signal.aborted`, releasing `advance` lets the - // for-await body run the `if (aborted) throw` check. - const advance = new DeferredPromise(); - sdk.queryAdvance = async (idx: number) => { - if (idx === 0) { - await advance.p; - } - }; - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeResultSuccess(sessionId), - ]; - - // Use the materialize event to deterministically wait until the - // session is in `_sessions` (and the in-flight deferred has been - // queued by `entry.send`). Without this we'd race materialize. - const materialized = Event.toPromise(agent.onDidMaterializeSession); - - const send = agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - const settle: { rejected?: unknown } = {}; - const sendDone = send.then(() => { settle.rejected = false; }, err => { settle.rejected = err; }); - - await materialized; - // One additional macro-flush so `entry.send` has pushed the - // deferred to `_inFlightRequests` and `_processMessages` has - // started its for-await (parked on `advance.p`). - await new Promise(resolve => setImmediate(resolve)); - - const aborter = sdk.capturedStartupOptions[0]?.abortController; - await agent.disposeSession(created.session); - // Release the parked iterator so the for-await loop unblocks - // and the abort-check throws CancellationError. - advance.complete(); - await sendDone; - - assert.deepStrictEqual({ - rejectedIsCancellation: isCancellationError(settle.rejected), - abortedAfterDispose: aborter?.signal.aborted, - sessionRemoved: agent.getSessionForTesting(created.session) === undefined, - }, { - rejectedIsCancellation: true, - abortedAfterDispose: true, - sessionRemoved: true, - }); - }); - - test('dispose racing _writeCustomizationDirectory does not orphan the materialized session (C1)', async () => { - // Council-review C1 regression. The plan's Q8 belt-and-suspenders - // abort guard at `_materializeProvisional` only catches an abort - // that lands while `await sdk.startup()` is in flight. - // `_writeCustomizationDirectory` is a SECOND async boundary where - // a racing `disposeSession` (which uses `_disposeSequencer` — a - // different sequencer from `sendMessage`'s `_sessionSequencer`) - // can fire, find the provisional record, abort, remove, and - // return. Without the pre-commit abort gate added in this fix, - // materialize would still set `_sessions[sessionId]` and fire - // `onDidMaterializeSession` — leaking a WarmQuery subprocess. - // - // Test setup uses a custom session database whose `setMetadata` - // blocks on a per-test deferred so we can deterministically - // interleave dispose with persist. The fix asserts: - // - the racing `sendMessage` rejects with `CancellationError` - // - the session never lands in `_sessions` - // - `onDidMaterializeSession` never fires - // - the WarmQuery is asyncDisposed (no orphan subprocess) - const persistGate = new DeferredPromise(); - let persistEntered = false; - const blockingDb = new TestSessionDatabase(); - const originalSetMetadata = blockingDb.setMetadata.bind(blockingDb); - blockingDb.setMetadata = async (key, value) => { - persistEntered = true; - await persistGate.p; - await originalSetMetadata(key, value); - }; - - const proxy = new FakeClaudeProxyService(); - const api = new FakeCopilotApiService(); - api.models = async () => [...ALL_MODELS]; - const sdk = new FakeClaudeAgentSdkService(); - const sessionData = createSessionDataService(blockingDb); - - const services = new ServiceCollection( - [ILogService, new NullLogService()], - [ICopilotApiService, api], - [IClaudeProxyService, proxy], - [ISessionDataService, sessionData], - [IClaudeAgentSdkService, sdk], - [IAgentHostGitService, createNoopGitService()], - ); - const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); - const agent: ClaudeAgent = disposables.add(instantiationService.createInstance(ClaudeAgent)); - - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; - - const materializeEvents: IAgentMaterializeSessionEvent[] = []; - disposables.add(agent.onDidMaterializeSession(e => materializeEvents.push(e))); - - // Kick off the materialize. It will pass the post-startup abort - // gate, create the wrapper, then park inside `setMetadata`. - const send = agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - const settle: { rejected?: unknown } = {}; - const sendDone = send.then(() => { settle.rejected = false; }, err => { settle.rejected = err; }); - - // Wait until the persist step has actually been entered. This is - // the deterministic gate — without it we'd be racing the materialize - // progress against our dispose call. - while (!persistEntered) { - await new Promise(resolve => setImmediate(resolve)); - } - - // Now dispose while persist is parked. The dispose-sequencer is - // independent of the send-sequencer, so this runs immediately: - // finds the provisional, aborts the controller, removes from - // `_provisionalSessions`, returns. - await agent.disposeSession(created.session); - - // Release the persist gate. Materialize resumes after the - // `await setMetadata`, hits the pre-commit abort gate (signal is - // aborted), disposes the wrapper, and throws CancellationError. - persistGate.complete(); - await sendDone; - - assert.deepStrictEqual({ - rejectedIsCancellation: isCancellationError(settle.rejected), - sessionNotInMap: agent.getSessionForTesting(created.session) === undefined, - materializeNeverFired: materializeEvents.length === 0, - warmQueryDisposed: sdk.warmQueries[0]?.asyncDisposeCount === 1, - }, { - rejectedIsCancellation: true, - sessionNotInMap: true, - materializeNeverFired: true, - warmQueryDisposed: true, - }); - }); - - test('disposing a provisional session never calls SDK startup and removes the record', async () => { - // Phase 6 §5.1 Test 12. Symmetric with createSession's - // "no SDK contact" invariant: provisional dispose must NOT - // reach `sdk.startup` (no subprocess spawn for an - // already-cancelled session). Pinned by: - // - `sdk.startupCallCount === 0` after dispose - // - a subsequent `sendMessage` for the same URI throws - // 'Cannot send to unknown session' (proves the provisional - // record was actually removed, not just abort-flagged) - // - the provisional's `AbortController` flipped to aborted - // (so any future racing materialize would short-circuit) - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - - await agent.disposeSession(created.session); - - // Materializing now requires a provisional record; without it - // the sequencer task throws synchronously inside the queued fn. - const sendErr = await agent.sendMessage(created.session, 'hi', undefined, 'turn-1') - .then(() => undefined, err => err); - - assert.deepStrictEqual({ - startupCallCount: sdk.startupCallCount, - warmQueriesLength: sdk.warmQueries.length, - sendThrewUnknown: sendErr instanceof Error && /unknown session/i.test(sendErr.message), - materializedAbsent: agent.getSessionForTesting(created.session) === undefined, - }, { - startupCallCount: 0, - warmQueriesLength: 0, - sendThrewUnknown: true, - materializedAbsent: true, - }); - }); - - test('shutdown drains a mix of provisional and materialized sessions', async () => { - // Phase 6 §5.1 Test 13. The shutdown spec is two-phase: - // 1) Provisional sessions: abort each AbortController + clear - // the map. No SDK contact (mirrors `disposeSession`'s - // provisional branch). This unblocks any racing - // `await sdk.startup()` so the materialize unwinds via the - // post-startup abort guard. - // 2) Materialized sessions: drain through the per-session - // `_disposeSequencer` so a concurrent caller targeting the - // same id is serialized; each entry's `dispose()` flips - // `signal.aborted` and asyncDisposes the WarmQuery. - // What this test pins: after `shutdown()`, every provisional - // AbortController is aborted, every materialized session has - // been removed from the map, and `shutdown()` is memoized - // (second call returns the same promise identity). - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - - // Materialize one session by running a turn end-to-end. - const matCreated = await agent.createSession({ workingDirectory: URI.file('/work-mat') }); - sdk.nextQueryMessages = [ - makeSystemInitMessage(AgentSession.id(matCreated.session)), - makeResultSuccess(AgentSession.id(matCreated.session)), - ]; - await agent.sendMessage(matCreated.session, 'hi', undefined, 'turn-1'); - - // Leave a second session provisional. - const provCreated = await agent.createSession({ workingDirectory: URI.file('/work-prov') }); - const provAborter = (() => { - // The provisional's controller isn't directly observable from the - // public surface; capture it indirectly via the `capturedStartupOptions` - // of a hypothetical materialize. Since we never materialize the - // provisional here, we reach into the agent's test accessor: - const provSession = agent.getSessionForTesting(provCreated.session); - assert.strictEqual(provSession, undefined, 'second session must remain provisional'); - return undefined; - })(); - assert.strictEqual(provAborter, undefined); - - // Capture the materialized session's WarmQuery so we can assert - // it was asyncDisposed by shutdown. - const matWarm = sdk.warmQueries[0]; - assert.ok(matWarm, 'materialized session must have a WarmQuery'); - const asyncDisposeBefore = matWarm.asyncDisposeCount; - - const first = agent.shutdown(); - const second = agent.shutdown(); - await Promise.all([first, second]); - - assert.deepStrictEqual({ - memoized: first === second, - matRemoved: agent.getSessionForTesting(matCreated.session) === undefined, - matWarmAsyncDisposed: matWarm.asyncDisposeCount > asyncDisposeBefore, - // A post-shutdown sendMessage to the provisional URI must - // fail because the provisional record was cleared. - provDropped: await agent.sendMessage(provCreated.session, 'late', undefined, 'turn-late') - .then(() => false, err => err instanceof Error && /unknown session/i.test(err.message)), - // Same for the materialized URI. - matDropped: await agent.sendMessage(matCreated.session, 'late', undefined, 'turn-late') - .then(() => false, err => err instanceof Error && /unknown session/i.test(err.message)), - }, { - memoized: true, - matRemoved: true, - matWarmAsyncDisposed: true, - provDropped: true, - matDropped: true, - }); - }); - - test('mapper throwing on a malformed stream_event is logged and the turn continues', async () => { - // Phase 6 §5.1 Test 14. The mapper does its OWN warn-and-skip - // for known malformed shapes (e.g. tool_use streams while - // `canUseTool: deny`). The try/catch in `_processMessages` is - // defense-in-depth for everything else: a programming bug in - // the mapper, an SDK output we didn't anticipate, etc. This - // test pins that resilience guarantee — pass an event that - // makes the mapper crash on field access (`event.delta.type` - // when `delta` is missing), then verify: - // 1) the catch absorbs the throw (turn doesn't reject), - // 2) the next valid stream event still flows through (the - // mapper state isn't poisoned), - // 3) the result message still completes the deferred. - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - - const sessionUri = created.session; - const observed: AgentSignal[] = []; - disposables.add(agent.onDidSessionProgress(s => { - if (AgentSession.id(s.session) === AgentSession.id(sessionUri)) { - observed.push(s); - } - })); - - // Build a `content_block_delta` event missing the required - // `delta` field. The malformed event is typed as - // `BetaRawContentBlockDeltaEvent` via `// @ts-expect-error` - // rather than a cast — keeps the type system honest about the - // shape while still letting the runtime exercise the mapper's - // defensive try/catch. - const malformedDeltaEvent = { type: 'content_block_delta', index: 0 }; - // @ts-expect-error - intentionally missing `delta` field to test mapper resilience - const malformedEvent: BetaRawContentBlockDeltaEvent = malformedDeltaEvent; - const malformedMessage = makeStreamEvent(sessionId, malformedEvent); - - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeStreamEvent(sessionId, makeMessageStart()), - makeStreamEvent(sessionId, makeContentBlockStartText(0)), - malformedMessage, - makeStreamEvent(sessionId, makeTextDelta(0, 'recover')), - makeStreamEvent(sessionId, makeContentBlockStop(0)), - makeResultSuccess(sessionId), - ]; - - await agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - - const deltas = observed.flatMap(s => - s.kind === 'action' && s.action.type === ActionType.SessionDelta - ? [s.action.content] - : []); - const turnCompletes = observed.filter(s => - s.kind === 'action' && s.action.type === ActionType.SessionTurnComplete); - - assert.deepStrictEqual({ - deltas, - turnCompleteCount: turnCompletes.length, - }, { - deltas: ['recover'], - turnCompleteCount: 1, - }); - }); - - test('attachments (File and Directory) become a system-reminder block on the user message', async () => { - // Phase 6 §5.1 Test 15. The prompt resolver must produce two - // content blocks for an attachment-bearing send: a `text` - // block carrying the prompt, then a `text` block wrapped in - // `` listing the attached URIs (one line - // per entry, prefix `- `, paths via fsPath for `file:` URIs). - // Phase 6 only round-trips File and Directory — the Selection - // branch is dead-code (AgentSideEffects strips text/selection - // at the protocol → agent boundary). - const { agent, sdk } = createTestContext(disposables); - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - - sdk.nextQueryMessages = [ - makeSystemInitMessage(sessionId), - makeResultSuccess(sessionId), - ]; - - const fileUri = URI.file('/work/src/foo.ts'); - const dirUri = URI.file('/work/src/bar'); - await agent.sendMessage(created.session, 'review please', [ - { type: AttachmentType.File, uri: fileUri, displayName: 'foo.ts' }, - { type: AttachmentType.Directory, uri: dirUri, displayName: 'bar' }, - ], 'turn-1'); - - const drained = sdk.warmQueries[0]?.produced?.drainedPrompts ?? []; - assert.strictEqual(drained.length, 1, 'one prompt was drained'); - const userMessage = drained[0]; - const content = userMessage.message.content; - assert.ok(Array.isArray(content), 'content blocks are an array'); - - assert.deepStrictEqual({ - blockCount: content.length, - promptText: content[0]?.type === 'text' ? content[0].text : undefined, - reminderText: content[1]?.type === 'text' ? content[1].text : undefined, - }, { - blockCount: 2, - promptText: 'review please', - reminderText: - '\nThe user provided the following references:\n' + - `- ${fileUri.fsPath}\n` + - `- ${dirUri.fsPath}\n\n` + - 'IMPORTANT: this context may or may not be relevant to your tasks. ' + - 'You should not respond to this context unless it is highly relevant to your task.\n' + - '', - }); - }); - - test('shutdown resolves without throwing', async () => { - const { agent } = createTestContext(disposables); - await agent.shutdown(); - }); - - test('disposeSession is a safe no-op for an unknown session', async () => { - const { agent } = createTestContext(disposables); - await agent.disposeSession(URI.parse('claude:/never-created')); - }); - - test('shutdown clears provisional sessions; concurrent disposeSession is safe', async () => { - // Phase-6 update: createSession is provisional, so no - // `ClaudeAgentSession` wrappers exist before the first - // `sendMessage`. The wrapper-disposal-once invariant moves to - // the materialized-session shutdown drain in Cycle 13 (§5.1 - // Test 13). What this test still pins: shutdown + a concurrent - // `disposeSession` for a provisional URI complete without - // throwing, both share the `_disposeSequencer` for the same - // key, and the agent does not surface a double-dispose error. - const { agent } = createTestContext(disposables); - const r1 = await agent.createSession({}); - await agent.createSession({}); - - const p1 = agent.disposeSession(r1.session); - const p2 = agent.shutdown(); - await Promise.all([p1, p2]); - - // `shutdown` is memoized — a second call returns the same - // promise. Pin that here so concurrent teardowns don't double-drain. - const third = agent.shutdown(); - assert.strictEqual(third, p2); - await third; - }); - - test('disposeSession removes the wrapper but does NOT delete the SDK or DB session', async () => { - // Plan section 3.3.4 — `disposeSession` is wrapper teardown, NOT - // session deletion. The SDK session and the per-session DB - // outlive `disposeSession`; permanent deletion is a Phase 13 - // concern (deletion command) and goes through a different code - // path. The user-visible consequence: closing a tab in the - // workbench drops the wrapper but the session reappears in the - // session list (and its history is still on disk) until - // explicitly deleted. This invariant prevents accidental - // regression in Phase 6+ where wrapper teardown will gain real - // cleanup work (Query.interrupt) — that work MUST NOT spill - // into SDK-side or DB-side deletion. - const { agent, sdk } = createTestContext(disposables); - const created = await agent.createSession({}); - // Make the SDK report the just-created session as if its - // metadata had been written by an earlier `query()` turn — - // that's the steady state once Phase 6 sendMessage lands. - sdk.sessionList = [{ - sessionId: AgentSession.id(created.session), - summary: 'Hello world', - lastModified: 100, - }]; - - await agent.disposeSession(created.session); - const result = await agent.listSessions(); - - assert.deepStrictEqual({ - ids: result.map(r => AgentSession.id(r.session)), - summary: result[0]?.summary, - sdkCalls: sdk.listSessionsCallCount, - }, { - ids: [AgentSession.id(created.session)], - summary: 'Hello world', - sdkCalls: 1, - }); - }); - - test('getSessionMessages returns an empty transcript for any session', async () => { - // Phase 5 doesn't reconstruct transcripts. Real history reconstruction - // from the SDK event log lands in Phase 13; the bare method shape is - // required by IAgent so callers can subscribe before any messages - // exist. Returning `[]` is correct: the agent service supplies its - // own provisional turns from in-memory state until this method - // surfaces the persisted log. We assert the result is also a fresh - // array (not a shared sentinel) so future implementations can't - // leak mutations. - const { agent } = createTestContext(disposables); - const a = await agent.getSessionMessages(URI.parse('claude:/unknown-1')); - const b = await agent.getSessionMessages(URI.parse('claude:/unknown-2')); - assert.deepStrictEqual({ a, b, distinct: a !== b }, { a: [], b: [], distinct: true }); - }); - - test('listSessions returns SDK entries decorated with the per-session DB overlay', async () => { - // Plan section 3.3.2: the SDK is the source of truth; the per-session DB - // is a pure overlay/cache. We seed two SDK entries and a single - // DB carrying `claude.customizationDirectory` for entry 'a'. The - // result must include both entries; the overlay value must - // surface only on the entry that has a DB. - const dbA = new TestSessionDatabase(); - await dbA.setMetadata('claude.customizationDirectory', URI.file('/foo').toString()); - - const sessionData: ISessionDataService = { - ...createNullSessionDataService(), - tryOpenDatabase: async session => { - if (AgentSession.id(session) === 'a') { - return { object: dbA, dispose: () => { /* no-op */ } }; - } - return undefined; - }, - }; - const sdk = new FakeClaudeAgentSdkService(); - sdk.sessionList = [ - { sessionId: 'a', summary: 'Session A', lastModified: 1000, createdAt: 900 }, - { sessionId: 'b', summary: 'Session B', lastModified: 2000, createdAt: 1900 }, - ]; - - const services = new ServiceCollection( - [ILogService, new NullLogService()], - [ICopilotApiService, new FakeCopilotApiService()], - [IClaudeProxyService, new FakeClaudeProxyService()], - [ISessionDataService, sessionData], - [IClaudeAgentSdkService, sdk], - ); - const instantiationService = disposables.add(new InstantiationService(services)); - const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); - - const result = await agent.listSessions(); - const a = result.find(r => AgentSession.id(r.session) === 'a'); - const b = result.find(r => AgentSession.id(r.session) === 'b'); - assert.deepStrictEqual({ - count: result.length, - ids: result.map(r => AgentSession.id(r.session)).sort(), - summaryA: a?.summary, - summaryB: b?.summary, - modifiedA: a?.modifiedTime, - modifiedB: b?.modifiedTime, - custDirA: a?.customizationDirectory?.toString(), - custDirB: b?.customizationDirectory, - sdkCalls: sdk.listSessionsCallCount, - }, { - count: 2, - ids: ['a', 'b'], - summaryA: 'Session A', - summaryB: 'Session B', - modifiedA: 1000, - modifiedB: 2000, - custDirA: URI.file('/foo').toString(), - custDirB: undefined, - sdkCalls: 1, - }); - }); - - test('listSessions tolerates a corrupt DB without poisoning the rest of the listing', async () => { - // Plan section 3.3.2 risk: a single corrupt per-session DB MUST NOT - // drop the other entries from the listing. CopilotAgent's - // `Promise.all`-with-throwing-mapper pattern at copilotAgent.ts:519 - // has this latent bug; we follow AgentService.listSessions's - // inner-try/catch pattern instead. We simulate the failure by - // rejecting `tryOpenDatabase` for one specific sessionId; the - // other two must still surface, and the corrupt one must fall - // back to the bare SDK-derived entry (NOT undefined / NOT - // dropped). - const dbOk = new TestSessionDatabase(); - await dbOk.setMetadata('claude.customizationDirectory', URI.file('/ok').toString()); - - const sessionData: ISessionDataService = { - ...createNullSessionDataService(), - tryOpenDatabase: async session => { - const id = AgentSession.id(session); - if (id === 'corrupt') { - throw new Error('simulated DB open failure'); - } - if (id === 'ok') { - return { object: dbOk, dispose: () => { /* no-op */ } }; - } - return undefined; - }, - }; - const sdk = new FakeClaudeAgentSdkService(); - sdk.sessionList = [ - { sessionId: 'ok', summary: 'OK', lastModified: 100 }, - { sessionId: 'corrupt', summary: 'Corrupt', lastModified: 200 }, - { sessionId: 'external', summary: 'External', lastModified: 300 }, - ]; - - const services = new ServiceCollection( - [ILogService, new NullLogService()], - [ICopilotApiService, new FakeCopilotApiService()], - [IClaudeProxyService, new FakeClaudeProxyService()], - [ISessionDataService, sessionData], - [IClaudeAgentSdkService, sdk], - ); - const instantiationService = disposables.add(new InstantiationService(services)); - const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); - - const result = await agent.listSessions(); - const find = (id: string) => result.find(r => AgentSession.id(r.session) === id); - assert.deepStrictEqual({ - count: result.length, - ids: result.map(r => AgentSession.id(r.session)).sort(), - okCustDir: find('ok')?.customizationDirectory?.toString(), - corruptCustDir: find('corrupt')?.customizationDirectory, - corruptSummary: find('corrupt')?.summary, - externalCustDir: find('external')?.customizationDirectory, - }, { - count: 3, - ids: ['corrupt', 'external', 'ok'], - okCustDir: URI.file('/ok').toString(), - corruptCustDir: undefined, - corruptSummary: 'Corrupt', - externalCustDir: undefined, - }); - }); - - test('listSessions returns an empty list (does not reject) when the SDK fails to load', async () => { - // Copilot-reviewer comment: `AgentService.listSessions` fans out - // across providers via `Promise.all` (agentService.ts:202-204). - // If our SDK dynamic import rejects (corrupt install, missing - // optional dep) and we let it propagate, every other provider's - // session list disappears too \u2014 the sibling Copilot provider - // goes blank. Catching here keeps Claude's row empty while - // Copilot's row still surfaces. - const sdk = new FakeClaudeAgentSdkService(); - sdk.listSessionsRejection = new Error('simulated SDK load failure'); - - const services = new ServiceCollection( - [ILogService, new NullLogService()], - [ICopilotApiService, new FakeCopilotApiService()], - [IClaudeProxyService, new FakeClaudeProxyService()], - [ISessionDataService, createNullSessionDataService()], - [IClaudeAgentSdkService, sdk], - ); - const instantiationService = disposables.add(new InstantiationService(services)); - const agent = disposables.add(instantiationService.createInstance(ClaudeAgent)); - - const result = await agent.listSessions(); - assert.deepStrictEqual(result, []); - }); - - test('shutdown is idempotent and returns the same memoized promise on concurrent calls', async () => { - // Phase 6+ INVARIANT: the SDK Query subprocess for each live - // session is aborted inside `shutdown()`. If two callers race - // (e.g. ChatService.onDidShutdown + the host's own teardown), - // they MUST share one drain pass — otherwise we double-abort - // and risk EBUSY on the SQLite handle. Phase 5 has no async - // work yet, so the race is benign in practice; the memoization - // is locked NOW so Phase 6 inherits the contract for free. - // Mirror of `CopilotAgent.shutdown()` at copilotAgent.ts:1246. - const { agent } = createTestContext(disposables); - await agent.createSession({}); - await agent.createSession({}); - - const first = agent.shutdown(); - const second = agent.shutdown(); - await Promise.all([first, second]); - const third = agent.shutdown(); - await third; - - assert.deepStrictEqual({ - firstEqualsSecond: first === second, - firstEqualsThird: first === third, - }, { - firstEqualsSecond: true, - firstEqualsThird: true, - }); - }); - - test('ClaudeAgentSdkService caches the resolved module and logs the first load failure exactly once', async () => { - // Plan section 3.1 risk: a corrupt postinstall (missing native binding, - // bad node_modules) will fault every `import()` call. We MUST - // surface the first failure clearly so it's diagnosable, but - // MUST NOT spam the log on every subsequent call (listSessions - // runs per workbench refresh and per session-list rerender). - // Successful resolution is also cached so the dynamic import - // runs only once across the lifetime of the host. - // - // We drive this via a `TestableClaudeAgentSdkService` that - // overrides the protected `_loadSdk` seam — the production code - // returns the narrowed `IClaudeSdkBindings` slice rather than - // the full SDK module type, so the test can build a fake - // without naming every export. A `RecordingLogService` captures - // `error()` invocations. - const errorCalls: unknown[][] = []; - class RecordingLogService extends NullLogService { - override error(...args: unknown[]): void { - errorCalls.push(args); - } - } - - let importBehavior: 'fail' | IClaudeSdkBindings = 'fail'; - let importInvocations = 0; - class TestableClaudeAgentSdkService extends ClaudeAgentSdkService { - protected override async _loadSdk(): Promise { - importInvocations++; - if (importBehavior === 'fail') { - throw new Error('simulated SDK load failure'); - } - return importBehavior; - } - } - - const services = new ServiceCollection([ILogService, new RecordingLogService()]); - const inst = disposables.add(new InstantiationService(services)); - const svc = inst.createInstance(TestableClaudeAgentSdkService); - - // First two calls fault → exactly one log entry; both retry the import. - await assert.rejects(() => svc.listSessions(), /simulated SDK load failure/); - await assert.rejects(() => svc.listSessions(), /simulated SDK load failure/); - const failuresLogged = errorCalls.length; - const importInvocationsAfterFailures = importInvocations; - - // Recover. - importBehavior = { - listSessions: async () => [{ sessionId: 's', summary: 's', lastModified: 1 }], - startup: async () => { throw new Error('TestableClaudeAgentSdkService: startup not modeled'); }, - }; - const result1 = await svc.listSessions(); - const importInvocationsAfterFirstSuccess = importInvocations; - - // Subsequent successful calls hit the cache. - const result2 = await svc.listSessions(); - - assert.deepStrictEqual({ - failuresLogged, - importInvocationsAfterFailures, - importInvocationsAfterFirstSuccess, - invocationsAfterCachedCall: importInvocations, - result1Length: result1.length, - result1Id: result1[0]?.sessionId, - result2Length: result2.length, - finalLogCount: errorCalls.length, - }, { - failuresLogged: 1, - importInvocationsAfterFailures: 2, - importInvocationsAfterFirstSuccess: 3, - invocationsAfterCachedCall: 3, - result1Length: 1, - result1Id: 's', - result2Length: 1, - finalLogCount: 1, - }); - }); - - test('resolveSessionConfig returns Claude-native permissionMode + reused Permissions schema', async () => { - // Plan section 3.3.5 / decision B5 — Claude collapses the platform's - // two-axis approval model (`autoApprove` × `mode`) onto a single - // `permissionMode` axis matching the SDK's native - // `PermissionMode` enum. `Permissions` (allow/deny tool lists) - // is reused unchanged from `platformSessionSchema` because the - // SDK accepts `allowedTools` / `disallowedTools` natively. - // Tested keys: presence + ordering of enum + the four-value - // canonical set + default. Skipped keys (AutoApprove, Mode, - // Isolation, Branch, BranchNameHint) MUST be absent — workbench - // `AgentHostModePicker` and friends key off these property names - // to decide what to render, and accidentally re-introducing - // `mode` would drop the wrong picker into the Claude UI. - const { agent } = createTestContext(disposables); - const result = await agent.resolveSessionConfig({}); - const properties = result.schema.properties; - const permissionMode = properties['permissionMode']; - - assert.deepStrictEqual({ - topLevelType: result.schema.type, - propertyKeys: Object.keys(properties).sort(), - permissionModeType: permissionMode?.type, - permissionModeEnum: permissionMode?.enum, - permissionModeDefault: permissionMode?.default, - permissionsType: properties['permissions']?.type, - values: result.values, - autoApproveAbsent: properties['autoApprove'] === undefined, - modeAbsent: properties['mode'] === undefined, - isolationAbsent: properties['isolation'] === undefined, - branchAbsent: properties['branch'] === undefined, - }, { - topLevelType: 'object', - propertyKeys: ['permissionMode', 'permissions'], - permissionModeType: 'string', - permissionModeEnum: ['default', 'acceptEdits', 'bypassPermissions', 'plan'], - permissionModeDefault: 'default', - permissionsType: 'object', - values: { permissionMode: 'default' }, - autoApproveAbsent: true, - modeAbsent: true, - isolationAbsent: true, - branchAbsent: true, - }); - }); - - test('sessionConfigCompletions returns no items (permissionMode is a static enum)', async () => { - // Plan section 3.3.5 — Claude's only schema property is the - // `permissionMode` static enum, so dynamic completion is - // definitionally empty. Locks the contract before Phase 6's - // branch picker (subject to the worktree-extraction prerequisite - // in section 8) might want to plug into this method. - const { agent } = createTestContext(disposables); - const result = await agent.sessionConfigCompletions({ property: 'permissionMode', query: 'def' }); - assert.deepStrictEqual(result, { items: [] }); - }); - - test('dispose releases the proxy handle even with no materialized sessions', async () => { - // Phase-6 update: the wrapper-before-proxy ordering invariant - // only applies once a session has been materialized — provisional - // sessions hold no SDK subprocess that talks to the proxy. The - // wrapper-before-proxy ordering test moves to Cycle 11 (§5.1 - // Test 11 — dispose materialized aborts controller). What this - // test still pins for Phase 6: dispose releases the proxy handle - // even if no session was ever materialized, so authenticated-but- - // unused agents don't leak the proxy refcount. - let proxyDisposed = false; - - class RecordingProxyService implements IClaudeProxyService { - declare readonly _serviceBrand: undefined; - async start(_token: string): Promise { - return { - baseUrl: 'http://127.0.0.1:0', - nonce: 'n', - dispose: () => { proxyDisposed = true; }, - }; - } - dispose(): void { /* no-op */ } - } - - const services = new ServiceCollection( - [ILogService, new NullLogService()], - [ICopilotApiService, new FakeCopilotApiService()], - [IClaudeProxyService, new RecordingProxyService()], - [ISessionDataService, createNullSessionDataService()], - [IClaudeAgentSdkService, new FakeClaudeAgentSdkService()], - ); - const instantiationService = disposables.add(new InstantiationService(services)); - const agent = instantiationService.createInstance(ClaudeAgent); - - await agent.authenticate('https://api.github.com', 'tok'); - await agent.createSession({}); - agent.dispose(); - - assert.strictEqual(proxyDisposed, true); - }); - - test('agent.dispose() during a racing first sendMessage aborts the provisional and disposes the WarmQuery', async () => { - // Copilot reviewer: `dispose()` did not abort provisional - // AbortControllers. If a `sendMessage` was racing materialize - // (parked inside `_writeCustomizationDirectory`), `dispose()` - // would synchronously dispose `_sessions` and remove provisional - // records via teardown — but the materialize sequencer - // continuation, having already passed the post-startup abort - // gate, would resume past the persist step and call - // `_sessions.set(...)` on an already-disposed DisposableMap, - // orphaning the WarmQuery subprocess. The fix adds a - // `provisional.abortController.abort()` step before - // `super.dispose()` so the post-customization-write abort gate - // catches the race and asyncDisposes the WarmQuery. - const persistGate = new DeferredPromise(); - let persistEntered = false; - const blockingDb = new TestSessionDatabase(); - const originalSetMetadata = blockingDb.setMetadata.bind(blockingDb); - blockingDb.setMetadata = async (key, value) => { - persistEntered = true; - await persistGate.p; - await originalSetMetadata(key, value); - }; - - const proxy = new FakeClaudeProxyService(); - const api = new FakeCopilotApiService(); - api.models = async () => [...ALL_MODELS]; - const sdk = new FakeClaudeAgentSdkService(); - const sessionData = createSessionDataService(blockingDb); - - const services = new ServiceCollection( - [ILogService, new NullLogService()], - [ICopilotApiService, api], - [IClaudeProxyService, proxy], - [ISessionDataService, sessionData], - [IClaudeAgentSdkService, sdk], - [IAgentHostGitService, createNoopGitService()], - ); - const instantiationService: IInstantiationService = disposables.add(new InstantiationService(services)); - const agent: ClaudeAgent = instantiationService.createInstance(ClaudeAgent); - - await agent.authenticate(GITHUB_COPILOT_PROTECTED_RESOURCE.resource, 'tok'); - const created = await agent.createSession({ workingDirectory: URI.file('/work') }); - const sessionId = AgentSession.id(created.session); - sdk.nextQueryMessages = [makeSystemInitMessage(sessionId), makeResultSuccess(sessionId)]; - - const send = agent.sendMessage(created.session, 'hi', undefined, 'turn-1'); - const settle: { rejected?: unknown } = {}; - const sendDone = send.then(() => { settle.rejected = false; }, err => { settle.rejected = err; }); - - while (!persistEntered) { - await new Promise(resolve => setImmediate(resolve)); - } - - // Now dispose the WHOLE AGENT while persist is parked. This is - // the path the reviewer flagged: provisional AbortController - // must be aborted so the post-customization-write gate catches. - agent.dispose(); - - persistGate.complete(); - await sendDone; - - assert.deepStrictEqual({ - rejectedIsCancellation: isCancellationError(settle.rejected), - warmQueryDisposed: sdk.warmQueries[0]?.asyncDisposeCount === 1, - }, { - rejectedIsCancellation: true, - warmQueryDisposed: true, - }); - }); - - // #endregion }); From f0a2b56ed3b02b0603ae9324dc85aceabcd9edf9 Mon Sep 17 00:00:00 2001 From: Henning Dieterichs Date: Tue, 5 May 2026 13:06:43 +0200 Subject: [PATCH 11/11] Fixes component explorer ci (#314256) fixes virtual scheduler in component explorer --- .../base/test/common/timeTravelScheduler.ts | 931 +----------------- .../base/test/common/traceableTimeApi.test.ts | 330 ------- src/vs/base/test/common/traceableTimeApi.ts | 353 +------ .../common/virtualScheduling/embedding.ts | 89 ++ .../common/virtualScheduling/globalTimeApi.ts | 82 ++ .../test/common/virtualScheduling/index.ts | 32 + .../virtualScheduling/loggingTimeApi.ts | 42 + .../common/virtualScheduling/processor.ts | 384 ++++++++ .../virtualScheduling/runWithFakedTimers.ts | 84 ++ .../test/common/virtualScheduling/timeApi.ts | 48 + .../test/common/virtualScheduling/trace.ts | 172 ++++ .../common/virtualScheduling/virtualClock.ts | 121 +++ .../virtualScheduling.test.ts | 357 +++++++ .../virtualScheduling/virtualTimeApi.ts | 186 ++++ .../chat/chatFixtureUtils.ts | 6 + .../chat/chatWidget.fixture.ts | 66 +- .../editor/codeEditor.fixture.ts | 2 +- .../browser/componentFixtures/fixtureUtils.ts | 125 ++- .../sessions/agentSessionsViewer.fixture.ts | 529 +++++----- .../blocks-ci-screenshots.md | 4 +- 20 files changed, 2066 insertions(+), 1877 deletions(-) delete mode 100644 src/vs/base/test/common/traceableTimeApi.test.ts create mode 100644 src/vs/base/test/common/virtualScheduling/embedding.ts create mode 100644 src/vs/base/test/common/virtualScheduling/globalTimeApi.ts create mode 100644 src/vs/base/test/common/virtualScheduling/index.ts create mode 100644 src/vs/base/test/common/virtualScheduling/loggingTimeApi.ts create mode 100644 src/vs/base/test/common/virtualScheduling/processor.ts create mode 100644 src/vs/base/test/common/virtualScheduling/runWithFakedTimers.ts create mode 100644 src/vs/base/test/common/virtualScheduling/timeApi.ts create mode 100644 src/vs/base/test/common/virtualScheduling/trace.ts create mode 100644 src/vs/base/test/common/virtualScheduling/virtualClock.ts create mode 100644 src/vs/base/test/common/virtualScheduling/virtualScheduling.test.ts create mode 100644 src/vs/base/test/common/virtualScheduling/virtualTimeApi.ts diff --git a/src/vs/base/test/common/timeTravelScheduler.ts b/src/vs/base/test/common/timeTravelScheduler.ts index c0ccae014be808..445247624d736b 100644 --- a/src/vs/base/test/common/timeTravelScheduler.ts +++ b/src/vs/base/test/common/timeTravelScheduler.ts @@ -3,910 +3,33 @@ * Licensed under the MIT License. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ -import { compareBy, numberComparator, tieBreakComparators } from '../../common/arrays.js'; -import { CancellationToken, CancellationTokenSource } from '../../common/cancellation.js'; -import { Emitter } from '../../common/event.js'; -import { Disposable, DisposableStore, IDisposable } from '../../common/lifecycle.js'; -import { setTimeout0, setTimeout0IsFaster } from '../../common/platform.js'; -import { ROOT_TRACE, Trace, TraceContext } from './traceableTimeApi.js'; - -export type TimeOffset = number; - -export interface Scheduler { - schedule(task: ScheduledTask): IDisposable; - get now(): TimeOffset; -} - -export interface ScheduledTask { - readonly time: TimeOffset; - readonly source: ScheduledTaskSource; - readonly useRealAnimationFrame?: boolean; - /** - * Causal trace attached at schedule time. Used for attribution in - * `toString()` and to re-install the trace when the task runs so that - * the task body (and its microtask drain) observes it. - */ - readonly trace?: Trace; - - run(): void; -} - -export interface ScheduledTaskSource { - toString(): string; - readonly stackTrace: string | undefined; -} - -export interface TimeApi { - setTimeout(handler: TimerHandler, timeout?: number): any; - clearTimeout(id: any): void; - setInterval(handler: TimerHandler, interval: number): any; - clearInterval(id: any): void; - setImmediate?: ((handler: () => void) => any); - clearImmediate?: ((id: any) => void); - requestAnimationFrame?: ((callback: (time: number) => void) => number); - cancelAnimationFrame?: ((id: number) => void); - Date: DateConstructor; - originalFunctions?: TimeApi; -} - -interface ExtendedScheduledTask extends ScheduledTask { - id: number; -} - -const scheduledTaskComparator = tieBreakComparators( - compareBy(i => i.time, numberComparator), - compareBy(i => i.id, numberComparator), -); - -export class TimeTravelScheduler implements Scheduler { - private taskCounter = 0; - private _nowMs: TimeOffset = 0; - private readonly queue: PriorityQueue = new SimplePriorityQueue([], scheduledTaskComparator); - - private readonly taskScheduledEmitter = new Emitter<{ task: ScheduledTask }>(); - public readonly onTaskScheduled = this.taskScheduledEmitter.event; - - constructor(startTimeMs: number) { - this._nowMs = startTimeMs; - } - - schedule(task: ScheduledTask): IDisposable { - if (task.time < this._nowMs) { - throw new Error(`Scheduled time (${task.time}) must be equal to or greater than the current time (${this._nowMs}).`); - } - const extendedTask: ExtendedScheduledTask = { ...task, id: this.taskCounter++ }; - this.queue.add(extendedTask); - this.taskScheduledEmitter.fire({ task }); - return { dispose: () => this.queue.remove(extendedTask) }; - } - - get now(): TimeOffset { - return this._nowMs; - } - - get hasScheduledTasks(): boolean { - return this.queue.length > 0; - } - - peekNext(): ScheduledTask | undefined { - return this.queue.getMin(); - } - - getScheduledTasks(): readonly ScheduledTask[] { - return this.queue.toSortedArray(); - } - - runNext(): ScheduledTask | undefined { - const task = this.queue.removeMin(); - if (task) { - this._nowMs = task.time; - task.run(); - } - - return task; - } - - installGlobally(options?: CreateVirtualTimeApiOptions): IDisposable { - return pushGlobalTimeApi(createVirtualTimeApi(this, options)); - } -} - -/** - * Termination policy of a single {@link AsyncSchedulerProcessor.run} call. - */ -export interface RunOptions { - /** - * If set, the run resolves once the token is cancelled AND the virtual queue - * has been drained. Tasks scheduled before cancellation are still processed. - * If unset, the run resolves as soon as the virtual queue is empty. - */ - readonly token?: CancellationToken; - /** - * If set, the run resolves once virtual time has reached this absolute - * timestamp, OR there is no scheduled task with `time <= virtualDeadline` - * (because then virtual time can never reach the deadline by itself). - */ - readonly virtualDeadline?: TimeOffset; - /** - * Maximum number of virtual tasks this run will tolerate executing while - * its termination predicate is not yet satisfied. Exceeding this rejects - * the run with a debug-friendly overflow error. - * - * Counted from the moment the run was started, not from processor creation. - */ - readonly maxTasks?: number; - /** - * Maximum causal chain depth (via {@link Trace.depth}) the run will - * tolerate. If a task is about to execute whose trace depth exceeds this - * limit, the run is rejected. Useful for catching runaway self-rescheduling - * (a timer that keeps scheduling its own successor indefinitely). - */ - readonly maxTaskDepth?: number; -} - -type RunStatus = 'continue' | 'done' | { readonly error: Error }; - -/** - * Internal record of a single {@link AsyncSchedulerProcessor.run} call. - * - * A {@link Run} is purely declarative: its termination predicate - * ({@link evaluate}) is a pure function over the processor's observable state - * (`scheduler.now`, `executedTotal`, the next task time, the token state). - * The processor never mutates a run; it only inspects it and, when done, - * resolves or rejects its {@link promise}. - */ -class Run { - - private static _idCounter = 0; - public readonly id = ++Run._idCounter; - - public readonly promise: Promise; - private _resolve!: () => void; - private _reject!: (e: Error) => void; - private _settled = false; - public get settled(): boolean { return this._settled; } - - constructor( - public readonly options: RunOptions, - public readonly tasksExecutedAtStart: number, - public readonly effectiveMaxTasks: number, - ) { - this.promise = new Promise((res, rej) => { - this._resolve = res; - this._reject = rej; - }); - } - - settle(error?: Error): void { - if (this._settled) { return; } - this._settled = true; - if (error) { this._reject(error); } else { this._resolve(); } - } - - evaluate(scheduler: TimeTravelScheduler, executedTotal: number, peekNextTime: TimeOffset | undefined, makeOverflowError: () => Error): RunStatus { - const localExecuted = executedTotal - this.tasksExecutedAtStart; - if (localExecuted >= this.effectiveMaxTasks && scheduler.hasScheduledTasks) { - return { error: makeOverflowError() }; - } - - if (this.options.virtualDeadline !== undefined) { - if (scheduler.now >= this.options.virtualDeadline) { return 'done'; } - // Virtual time can only advance by executing tasks. If no scheduled - // task can advance time up to the deadline, the run is effectively - // done (otherwise the loop would idle-wait forever). - if (peekNextTime === undefined || peekNextTime > this.options.virtualDeadline) { return 'done'; } - } - - if (this.options.token === undefined) { - return scheduler.hasScheduledTasks ? 'continue' : 'done'; - } - - if (this.options.token.isCancellationRequested && !scheduler.hasScheduledTasks) { return 'done'; } - return 'continue'; - } - - describe(executedTotal: number, startTime: TimeOffset): string { - const parts: string[] = [`#${this.id}`]; - if (this.options.token) { - parts.push(this.options.token.isCancellationRequested ? 'token=cancelled' : 'token=pending'); - } - if (this.options.virtualDeadline !== undefined) { - const delta = this.options.virtualDeadline - startTime; - const sign = delta < 0 ? '-' : '+'; - parts.push(`virtualDeadline=${sign}${Math.abs(delta)}ms`); - } - const localExecuted = executedTotal - this.tasksExecutedAtStart; - parts.push(`executed=${localExecuted}/${this.effectiveMaxTasks}`); - return parts.join(' '); - } -} - /** - * Drives a {@link TimeTravelScheduler} from the real microtask/macrotask queue, - * yielding back to real time between virtual tasks so that promise callbacks - * can run and (re)schedule virtual tasks before the next one is executed. - * - * # Invariants - * - * 1. **Single physical loop.** At any moment at most one async loop iterates - * the virtual queue. Concurrent {@link run} calls compose by registering - * additional {@link Run}s on the same loop. - * - * 2. **Yield-then-execute.** Each loop iteration yields to real time before - * executing the next virtual task. No two virtual tasks run back-to-back - * without a yield. Termination is re-evaluated after each yield. - * - * 3. **Termination is per-run and pure.** Each run carries its own termination - * options ({@link RunOptions}); deadlines, tokens and maxTasks are never - * stored as mutable processor state. This is what makes parallel runs with - * different deadlines compose cleanly. - * - * 4. **Loop respects the strictest deadline.** The loop never advances virtual - * time past `min(virtualDeadline of all active runs)`. Past-deadline runs - * are settled before the loop attempts the next yield. - * - * 5. **Idle waits are explicit and breakable.** When the queue is empty (or - * the next task is past every active deadline) the loop awaits a single - * composite signal: a new task being scheduled, a run being added, or a - * token being cancelled. It never busy-loops. - * - * 6. **Errors propagate via promise rejection.** A throwing virtual task or a - * {@link RunOptions.maxTasks} overflow rejects the relevant run(s). No - * sticky `_lastError` flag is left for the next caller. - * - * 7. **Disposal settles all runs.** {@link dispose} rejects every active run - * with a disposal error and lets the loop drain naturally. + * @deprecated The contents of this file have moved to + * `./virtualScheduling/index.js`. This re-export is kept for backwards + * compatibility and will be removed once all callers have migrated. + * + * Notes for migration: + * - `TimeTravelScheduler` is now {@link VirtualClock} (same constructor). + * - `AsyncSchedulerProcessor` is now {@link VirtualTimeProcessor}; its + * constructor takes an explicit {@link Embedding}, and {@link Run.options} + * use `until` (a {@link TerminationPolicy}) instead of the implicit + * "drain queue" behaviour. See {@link runWithFakedTimers} for a + * drop-in helper. + * - `originalGlobalValues` is now {@link realTimeApi}. */ -export class AsyncSchedulerProcessor extends Disposable { - - private readonly _runs = new Map(); - private readonly _history: ScheduledTask[] = []; - private _executedTotal = 0; - - private _loopRunning = false; - private _wakeup: (() => void) | undefined; - - private readonly _defaultMaxTasks: number; - private readonly _useSetImmediate: boolean; - private readonly _realTimeApi: TimeApi; - private readonly _startTime: TimeOffset; - - public get history(): readonly ScheduledTask[] { return this._history; } - - constructor( - private readonly scheduler: TimeTravelScheduler, - options?: { useSetImmediate?: boolean; maxTaskCount?: number; realTimeApi?: TimeApi } - ) { - super(); - this._defaultMaxTasks = options?.maxTaskCount ?? 100; - this._useSetImmediate = options?.useSetImmediate ?? false; - this._realTimeApi = options?.realTimeApi ?? originalGlobalValues; - this._startTime = scheduler.now; - - this._register({ dispose: () => this._disposeAllRuns() }); - } - - /** - * Start a run with the given termination policy. - * - * - With no options: resolves when the virtual queue is empty. - * - With `token`: resolves when the token is cancelled AND the queue is - * drained. Tasks scheduled before cancellation are still processed. - * - With `virtualDeadline`: resolves when virtual time reaches the deadline, - * or when no scheduled task remains within it. - * - With `maxTasks`: rejects if the run executes more than that many virtual - * tasks before its other termination conditions are satisfied. - * - * Multiple parallel runs share the same processing loop; each resolves - * independently when its own predicate fires. - */ - run(options: RunOptions = {}): Promise { - return this._startRun(options); - } - - private _startRun(options: RunOptions): Promise { - const run = new Run(options, this._executedTotal, options.maxTasks ?? this._defaultMaxTasks); - const cleanup = new DisposableStore(); - if (options.token) { - cleanup.add(options.token.onCancellationRequested(() => this._wake())); - } - this._runs.set(run, cleanup); - this._wake(); - void this._ensureLoopRunning(); - return run.promise; - } - - private _settleRun(run: Run, error?: Error): void { - const cleanup = this._runs.get(run); - if (!cleanup) { return; } - this._runs.delete(run); - cleanup.dispose(); - run.settle(error); - } - - private _disposeAllRuns(): void { - const err = new Error('AsyncSchedulerProcessor disposed'); - for (const run of [...this._runs.keys()]) { - this._settleRun(run, err); - } - this._wake(); - } - - private _wake(): void { - const w = this._wakeup; - this._wakeup = undefined; - w?.(); - } - - private async _ensureLoopRunning(): Promise { - if (this._loopRunning) { return; } - this._loopRunning = true; - try { - await this._loop(); - } finally { - this._loopRunning = false; - } - } - - private async _loop(): Promise { - while (true) { - this._settleFinishedRuns(); - if (this._runs.size === 0) { return; } - - const next = this.scheduler.peekNext(); - const minDeadline = this._minDeadline(); - - if (!next || next.time > minDeadline) { - // Nothing actionable. Wait for a new task to be scheduled, a - // token to be cancelled, a new run to be added, or disposal. - await this._waitForChange(); - continue; - } - - // Invariant 2: yield to real time before each virtual execution. - await this._yieldToReal(next); - - // Re-check after yielding: anything could have changed. - this._settleFinishedRuns(); - if (this._runs.size === 0) { return; } - - const stillNext = this.scheduler.peekNext(); - if (!stillNext || stillNext.time > this._minDeadline()) { continue; } - - // Check per-run maxTaskDepth: if this task's causal depth exceeds - // any active run's limit, reject that run before executing. - const taskDepth = stillNext.trace?.depth ?? 0; - let overflowed = false; - for (const run of [...this._runs.keys()]) { - const limit = run.options.maxTaskDepth; - if (limit !== undefined && taskDepth > limit) { - this._settleRun(run, this._buildDepthOverflowError(run, taskDepth)); - overflowed = true; - } - } - if (overflowed) { continue; } - - try { - // Execute the task under its causal trace so that its body - // and subsequent microtask drain observe it. `runAsHandler` - // keeps the trace in place across the microtask drain by - // scheduling a seq-guarded reset on the next real-time tick. - TraceContext.instance.runAsHandler(stillNext.trace ?? ROOT_TRACE, () => { - const executed = this.scheduler.runNext(); - if (executed) { - this._history.push(executed); - this._executedTotal++; - } - }, this._realTimeApi); - } catch (e) { - const err = e instanceof Error ? e : new Error(String(e)); - // We can't tell which run "owned" the throwing task. Reject all - // active runs so the failure is observed exactly once per caller. - for (const run of [...this._runs.keys()]) { - this._settleRun(run, err); - } - } - } - } - - private _settleFinishedRuns(): void { - const peekNextTime = this.scheduler.peekNext()?.time; - for (const run of [...this._runs.keys()]) { - if (run.settled) { continue; } - const status = run.evaluate(this.scheduler, this._executedTotal, peekNextTime, () => this._buildOverflowError(run)); - if (status === 'done') { - this._settleRun(run); - } else if (typeof status === 'object') { - this._settleRun(run, status.error); - } - } - } - - private _minDeadline(): TimeOffset { - let m = Number.MAX_SAFE_INTEGER; - for (const run of this._runs.keys()) { - if (run.options.virtualDeadline !== undefined && run.options.virtualDeadline < m) { - m = run.options.virtualDeadline; - } - } - return m; - } - - private _waitForChange(): Promise { - return new Promise(resolve => { - const store = new DisposableStore(); - const fire = () => { - if (this._wakeup === fire) { this._wakeup = undefined; } - store.dispose(); - resolve(); - }; - this._wakeup = fire; - store.add(this.scheduler.onTaskScheduled(fire)); - }); - } - - private _yieldToReal(next: ScheduledTask): Promise { - return new Promise(resolve => { - // Drain microtasks first so promises chained to the previous task - // can settle and schedule virtual tasks before the next runs. - Promise.resolve().then(() => { - if (next.useRealAnimationFrame && this._realTimeApi.requestAnimationFrame) { - this._realTimeApi.requestAnimationFrame(() => resolve()); - } else if (this._useSetImmediate && this._realTimeApi.setImmediate) { - this._realTimeApi.setImmediate(() => resolve()); - } else if (setTimeout0IsFaster) { - setTimeout0(() => resolve()); - } else { - this._realTimeApi.setTimeout(() => resolve()); - } - }); - }); - } - - private _buildOverflowError(run: Run): Error { - const localExecuted = this._executedTotal - run.tasksExecutedAtStart; - const limit = run.effectiveMaxTasks; - return new Error( - `[AsyncSchedulerProcessor] Run #${run.id} exceeded maxTasks (${limit}) — ` + - `executed ${localExecuted} virtual task(s) and the queue is still not empty.\n\n` + - this.toString() - ); - } - - private _buildDepthOverflowError(run: Run, taskDepth: number): Error { - const limit = run.options.maxTaskDepth!; - return new Error( - `[AsyncSchedulerProcessor] Run #${run.id} exceeded maxTaskDepth (${limit}) — ` + - `next task has causal depth ${taskDepth}. This usually indicates ` + - `a runaway self-rescheduling timer.\n\n` + - this.toString() - ); - } - - /** - * A debug-friendly snapshot of the processor: virtual time, active runs, - * recent history (with stack traces) and currently queued tasks. - */ - override toString(): string { - const queued = this.scheduler.getScheduledTasks(); - const lines: string[] = []; - const fmt = (task: ScheduledTask, indent: string) => formatScheduledTask(task, indent, this._startTime); - - lines.push( - `AsyncSchedulerProcessor { ` + - `now=+${this.scheduler.now - this._startTime}ms, ` + - `executed=${this._executedTotal}, ` + - `queued=${queued.length}, ` + - `runs=${this._runs.size}, ` + - `loopRunning=${this._loopRunning} }` - ); - - if (this._runs.size > 0) { - lines.push(''); - lines.push('Active runs:'); - for (const run of this._runs.keys()) { - lines.push(` ${run.describe(this._executedTotal, this._startTime)}`); - } - } - - const HISTORY_LIMIT = 10; - if (this._history.length > 0) { - const recent = this._history.slice(-HISTORY_LIMIT); - lines.push(''); - const omitted = this._history.length - recent.length; - lines.push(`History (${recent.length}${omitted > 0 ? ` of ${this._history.length}` : ''}):`); - for (const t of recent) { - lines.push(fmt(t, ' ')); - } - } - - if (queued.length > 0) { - const QUEUE_LIMIT = 20; - const shown = queued.slice(0, QUEUE_LIMIT); - lines.push(''); - lines.push(`Queued (${queued.length}):`); - for (const t of shown) { - lines.push(fmt(t, ' ')); - } - if (queued.length > shown.length) { - lines.push(` ... and ${queued.length - shown.length} more`); - } - } - - return lines.join('\n'); - } -} - -function formatScheduledTask(task: ScheduledTask, indent: string, startTime: TimeOffset): string { - const delta = task.time - startTime; - const sign = delta < 0 ? '-' : '+'; - const time = `${sign}${Math.abs(delta)}ms`.padStart(8); - const head = `${indent}[${time}] ${task.source.toString()}`; - const lines: string[] = [head]; - if (task.trace) { - lines.push(`${indent} trace: ${task.trace.describe()}`); - } - const stack = task.source.stackTrace; - if (stack) { - const stackLines = stack.split('\n').map(l => l.trim()).filter(l => l.length > 0); - // Drop the leading "Error" line that `new Error().stack` produces, - // then keep a few useful frames. - const frames = (stackLines[0]?.startsWith('Error') ? stackLines.slice(1) : stackLines).slice(0, 5); - for (const f of frames) { - lines.push(`${indent} ${f}`); - } - } - return lines.join('\n'); -} - -export async function runWithFakedTimers(options: { startTime?: number; useFakeTimers?: boolean; useSetImmediate?: boolean; maxTaskCount?: number }, fn: () => Promise): Promise { - const useFakeTimers = options.useFakeTimers === undefined ? true : options.useFakeTimers; - if (!useFakeTimers) { - return fn(); - } - - const scheduler = new TimeTravelScheduler(options.startTime ?? 0); - const schedulerProcessor = new AsyncSchedulerProcessor(scheduler, { useSetImmediate: options.useSetImmediate, maxTaskCount: options.maxTaskCount }); - const globalInstallDisposable = scheduler.installGlobally(); - - // Start processing. With a token, run() keeps processing tasks until the - // token is cancelled and the queue is drained, so tasks scheduled during - // fn() are processed concurrently. - const cts = new CancellationTokenSource(); - const runPromise = schedulerProcessor.run({ token: cts.token }); - - let didThrow = true; - let result: T; - try { - result = await fn(); - didThrow = false; - } finally { - globalInstallDisposable.dispose(); - - // Signal that fn() is done: run() should drain the queue (for success) - // or stop immediately (for error) and then resolve. - // Since the global override is already disposed, no more tasks will be - // scheduled during the final drain. - cts.cancel(); - - try { - if (!didThrow) { - await runPromise; - } else { - // Avoid an unhandled rejection when disposal below rejects the run. - runPromise.catch(() => { /* swallowed: fn() already failed */ }); - } - } finally { - cts.dispose(); - schedulerProcessor.dispose(); - } - } - - return result; -} - -export function captureGlobalTimeApi(): TimeApi { - return { - setTimeout: globalThis.setTimeout.bind(globalThis), - clearTimeout: globalThis.clearTimeout.bind(globalThis), - setInterval: globalThis.setInterval.bind(globalThis), - clearInterval: globalThis.clearInterval.bind(globalThis), - setImmediate: globalThis.setImmediate?.bind(globalThis), - clearImmediate: globalThis.clearImmediate?.bind(globalThis), - requestAnimationFrame: globalThis.requestAnimationFrame?.bind(globalThis), - cancelAnimationFrame: globalThis.cancelAnimationFrame?.bind(globalThis), - Date: globalThis.Date, - originalFunctions: { - setTimeout: globalThis.setTimeout, - clearTimeout: globalThis.clearTimeout, - setInterval: globalThis.setInterval, - clearInterval: globalThis.clearInterval, - setImmediate: globalThis.setImmediate, - clearImmediate: globalThis.clearImmediate, - requestAnimationFrame: globalThis.requestAnimationFrame, - cancelAnimationFrame: globalThis.cancelAnimationFrame, - Date: globalThis.Date, - }, - }; -} - -export const originalGlobalValues: TimeApi = captureGlobalTimeApi(); -// Expose the real setTimeout for the component explorer runtime, which needs true time -// even when virtual time is installed for fixtures. -// eslint-disable-next-line local/code-no-any-casts -(originalGlobalValues.setTimeout as any).originalFn = originalGlobalValues.setTimeout; - -export interface CreateVirtualTimeApiOptions { - fakeRequestAnimationFrame?: boolean; -} - -export function createVirtualTimeApi(scheduler: Scheduler, options?: CreateVirtualTimeApiOptions): TimeApi { - function virtualSetTimeout(handler: TimerHandler, timeout: number = 0): IDisposable { - if (typeof handler === 'string') { - throw new Error('String handler args should not be used and are not supported'); - } - const stackTrace = new Error().stack; - const trace = TraceContext.instance.currentTrace().child(`setTimeout(${timeout}ms)`, stackTrace); - return scheduler.schedule({ - time: scheduler.now + timeout, - run: () => { handler(); }, - source: { - toString() { return 'setTimeout'; }, - stackTrace, - }, - trace, - }); - } - - function virtualClearTimeout(timeoutId: unknown): void { - if (typeof timeoutId === 'object' && timeoutId && 'dispose' in timeoutId) { - (timeoutId as IDisposable).dispose(); - } - } - - function virtualSetInterval(handler: TimerHandler, interval: number): IDisposable { - if (typeof handler === 'string') { - throw new Error('String handler args should not be used and are not supported'); - } - const validatedHandler = handler; - let iterCount = 0; - const stackTrace = new Error().stack; - const baseTrace = TraceContext.instance.currentTrace().child(`setInterval(${interval}ms)`, stackTrace); - let disposed = false; - let lastDisposable: IDisposable; - - function schedule(): void { - iterCount++; - const curIter = iterCount; - lastDisposable = scheduler.schedule({ - time: scheduler.now + interval, - run() { - if (!disposed) { - schedule(); - validatedHandler(); - } - }, - source: { - toString() { return `setInterval (iteration ${curIter})`; }, - stackTrace, - }, - trace: baseTrace.child(`tick #${curIter}`), - }); - } - schedule(); - - return { - dispose: () => { - if (disposed) { return; } - disposed = true; - lastDisposable.dispose(); - } - }; - } - - function virtualClearInterval(intervalId: unknown): void { - if (typeof intervalId === 'object' && intervalId && 'dispose' in intervalId) { - (intervalId as IDisposable).dispose(); - } - } - - const OriginalDate = globalThis.Date; - function SchedulerDate(this: any, ...args: any): any { - if (!(this instanceof SchedulerDate)) { - return new OriginalDate(scheduler.now).toString(); - } - if (args.length === 0) { - return new OriginalDate(scheduler.now); - } - // eslint-disable-next-line local/code-no-any-casts - return new (OriginalDate as any)(...args); - } - for (const prop in OriginalDate) { - if (OriginalDate.hasOwnProperty(prop)) { - // eslint-disable-next-line local/code-no-any-casts - (SchedulerDate as any)[prop] = (OriginalDate as any)[prop]; - } - } - SchedulerDate.now = function now() { return scheduler.now; }; - SchedulerDate.toString = function toString() { return OriginalDate.toString(); }; - SchedulerDate.prototype = OriginalDate.prototype; - SchedulerDate.parse = OriginalDate.parse; - SchedulerDate.UTC = OriginalDate.UTC; - SchedulerDate.prototype.toUTCString = OriginalDate.prototype.toUTCString; - - /* eslint-disable local/code-no-any-casts */ - const api: TimeApi = { - setTimeout: virtualSetTimeout as any, - clearTimeout: virtualClearTimeout as any, - setInterval: virtualSetInterval as any, - clearInterval: virtualClearInterval as any, - Date: SchedulerDate as any, - }; - /* eslint-enable local/code-no-any-casts */ - - // Expose the real setTimeout as `originalFn` on the virtual one. The component-explorer - // host's polling loop reads `globalThis.setTimeout.originalFn` to escape virtual time - // when waiting for renders to settle. Without this, the host's poll re-arms inside - // virtual time and triggers the AsyncSchedulerProcessor's depth-overflow guard. - // eslint-disable-next-line local/code-no-any-casts - (api.setTimeout as any).originalFn = originalGlobalValues.setTimeout; - - if (options?.fakeRequestAnimationFrame) { - let rafIdCounter = 0; - const rafDisposables = new Map(); - - api.requestAnimationFrame = (callback: (time: number) => void) => { - const id = ++rafIdCounter; - const stackTrace = new Error().stack; - const trace = TraceContext.instance.currentTrace().child('requestAnimationFrame', stackTrace); - // Advance virtual time by 16ms (~60fps). The task is marked with - // useRealAnimationFrame so the AsyncSchedulerProcessor uses a real - // browser rAF to schedule its execution, ensuring the browser - // reflows before the callback runs (so DOM measurements like - // offsetHeight return accurate values). - const disposable = scheduler.schedule({ - time: scheduler.now + 16, - useRealAnimationFrame: true, - run: () => { - rafDisposables.delete(id); - callback(scheduler.now); - }, - source: { - toString() { return 'requestAnimationFrame'; }, - stackTrace, - }, - trace, - }); - rafDisposables.set(id, disposable); - return id; - }; - - api.cancelAnimationFrame = (id: number) => { - const disposable = rafDisposables.get(id); - if (disposable) { - disposable.dispose(); - rafDisposables.delete(id); - } - }; - } - - return api; -} - -export function pushGlobalTimeApi(api: TimeApi): IDisposable { - const captured = captureGlobalTimeApi(); - - // eslint-disable-next-line local/code-no-any-casts - globalThis.setTimeout = api.setTimeout as any; - // eslint-disable-next-line local/code-no-any-casts - globalThis.clearTimeout = api.clearTimeout as any; - // eslint-disable-next-line local/code-no-any-casts - globalThis.setInterval = api.setInterval as any; - // eslint-disable-next-line local/code-no-any-casts - globalThis.clearInterval = api.clearInterval as any; - globalThis.Date = api.Date; - - if (api.requestAnimationFrame) { - globalThis.requestAnimationFrame = api.requestAnimationFrame; - } - if (api.cancelAnimationFrame) { - globalThis.cancelAnimationFrame = api.cancelAnimationFrame; - } - - return { - dispose: () => { - Object.assign(globalThis, captured.originalFunctions ?? captured); - } - }; -} - -export function createLoggingTimeApi( - underlying: TimeApi, - onCall: (name: string, stack: string | undefined, handler?: TimerHandler) => void, -): TimeApi { - return { - setTimeout(handler: TimerHandler, timeout?: number) { - onCall('setTimeout', new Error().stack, handler); - return underlying.setTimeout(handler, timeout); - }, - clearTimeout(id: unknown) { - return underlying.clearTimeout(id); - }, - setInterval(handler: TimerHandler, interval: number) { - onCall('setInterval', new Error().stack, handler); - return underlying.setInterval(handler, interval); - }, - clearInterval(id: unknown) { - return underlying.clearInterval(id); - }, - setImmediate: underlying.setImmediate ? (handler: () => void) => { - onCall('setImmediate', new Error().stack, handler); - return underlying.setImmediate!(handler); - } : undefined, - clearImmediate: underlying.clearImmediate, - requestAnimationFrame: underlying.requestAnimationFrame ? (callback: (time: number) => void) => { - onCall('requestAnimationFrame', new Error().stack, callback as TimerHandler); - return underlying.requestAnimationFrame!(callback); - } : undefined, - cancelAnimationFrame: underlying.cancelAnimationFrame, - Date: underlying.Date, - }; -} - -interface PriorityQueue { - length: number; - add(value: T): void; - remove(value: T): void; - - removeMin(): T | undefined; - getMin(): T | undefined; - toSortedArray(): T[]; -} - -class SimplePriorityQueue implements PriorityQueue { - private isSorted = false; - private items: T[]; - - constructor(items: T[], private readonly compare: (a: T, b: T) => number) { - this.items = items; - } - - get length(): number { - return this.items.length; - } - - add(value: T): void { - this.items.push(value); - this.isSorted = false; - } - - remove(value: T): void { - const idx = this.items.indexOf(value); - if (idx !== -1) { - this.items.splice(idx, 1); - this.isSorted = false; - } - } - - removeMin(): T | undefined { - this.ensureSorted(); - return this.items.shift(); - } - - getMin(): T | undefined { - this.ensureSorted(); - return this.items[0]; - } - - toSortedArray(): T[] { - this.ensureSorted(); - return [...this.items]; - } - private ensureSorted() { - if (!this.isSorted) { - this.items.sort(this.compare); - this.isSorted = true; - } - } -} +export { + captureGlobalTimeApi, + createLoggingTimeApi, + createVirtualTimeApi, + pushGlobalTimeApi, + realTimeApi as originalGlobalValues, + runWithFakedTimers, + VirtualClock as TimeTravelScheduler, +} from './virtualScheduling/index.js'; + +export type { + CreateVirtualTimeApiOptions, + RunWithFakedTimersOptions, + TimeApi, +} from './virtualScheduling/index.js'; diff --git a/src/vs/base/test/common/traceableTimeApi.test.ts b/src/vs/base/test/common/traceableTimeApi.test.ts deleted file mode 100644 index 1629b571c1c686..00000000000000 --- a/src/vs/base/test/common/traceableTimeApi.test.ts +++ /dev/null @@ -1,330 +0,0 @@ -/*--------------------------------------------------------------------------------------------- - * Copyright (c) Microsoft Corporation. All rights reserved. - * Licensed under the MIT License. See License.txt in the project root for license information. - *--------------------------------------------------------------------------------------------*/ - -import assert from 'assert'; -import { ensureNoDisposablesAreLeakedInTestSuite } from './utils.js'; -import { - createTraceRoot, - Trace, - TraceContext, -} from './traceableTimeApi.js'; -import { AsyncSchedulerProcessor, captureGlobalTimeApi, createVirtualTimeApi, TimeTravelScheduler } from './timeTravelScheduler.js'; -import { buildHistoryFromTasks, renderSwimlanes } from './executionGraph.js'; -import { DisposableStore } from '../../common/lifecycle.js'; - -/** Stable serialisation of a trace for snapshot assertions. */ -function traceInfo(t: Trace): { labels: string[]; rootLabel: string; depth: number } { - const labels: string[] = []; - for (let c: Trace | undefined = t; c; c = c.parent) { labels.push(c.label); } - return { labels, rootLabel: t.root.label, depth: t.depth }; -} - -suite('traceableTimeApi', () => { - ensureNoDisposablesAreLeakedInTestSuite(); - - teardown(() => TraceContext.instance._resetForTesting()); - - test('Trace.describe builds causal chain from leaf to root', () => { - const root = createTraceRoot('fixture'); - const t1 = root.child('setTimeout(100ms)'); - const t2 = t1.child('await continuation'); - assert.deepStrictEqual(traceInfo(t2), { - labels: ['await continuation', 'setTimeout(100ms)', 'fixture'], - rootLabel: 'fixture', - depth: 2, - }); - }); - - test('runWithTrace installs and restores synchronously; supports nesting', () => { - const a = createTraceRoot('a'); - const b = createTraceRoot('b'); - const observations: string[] = []; - observations.push(TraceContext.instance.currentTrace().label); - TraceContext.instance.runWithTrace(a, () => { - observations.push(TraceContext.instance.currentTrace().label); - TraceContext.instance.runWithTrace(b, () => { - observations.push(TraceContext.instance.currentTrace().label); - }); - observations.push(TraceContext.instance.currentTrace().label); - }); - observations.push(TraceContext.instance.currentTrace().label); - assert.deepStrictEqual(observations, ['', 'a', 'b', 'a', '']); - }); - - test('runAsHandler throws on sync re-entry', () => { - const realTime = captureGlobalTimeApi(); - const a = createTraceRoot('a'); - const b = createTraceRoot('b'); - assert.throws( - () => TraceContext.instance.runAsHandler(a, () => TraceContext.instance.runAsHandler(b, () => { }, realTime), realTime), - /re-entrant runAsHandler/, - ); - }); - - test('runAsHandler leaks trace across awaited microtasks', async () => { - const realTime = captureGlobalTimeApi(); - const fixtureRoot = createTraceRoot('fixture'); - const observations: string[] = []; - - await TraceContext.instance.runAsHandler(fixtureRoot, async () => { - observations.push(TraceContext.instance.currentTrace().label); - await Promise.resolve(); - observations.push(TraceContext.instance.currentTrace().label); - await Promise.resolve().then(() => Promise.resolve()); - observations.push(TraceContext.instance.currentTrace().label); - }, realTime); - - assert.deepStrictEqual(observations, ['fixture', 'fixture', 'fixture']); - }); - - test('tracing time api tags setTimeout, fires callback under captured trace', async () => { - const realTime = captureGlobalTimeApi(); - const tracing = TraceContext.instance.createTracingTimeApi(realTime, realTime); - const root = createTraceRoot('root'); - - const { promise, resolve } = deferred(); - TraceContext.instance.runAsHandler(root, () => { - tracing.setTimeout(() => resolve(TraceContext.instance.currentTrace()), 0); - }, realTime); - - const observed = await promise; - assert.deepStrictEqual(traceInfo(observed), { - labels: ['setTimeout(0ms)', 'root'], - rootLabel: 'root', - depth: 1, - }); - }); - - test('tracing time api: nested setTimeout preserves full causal chain', async () => { - const realTime = captureGlobalTimeApi(); - const tracing = TraceContext.instance.createTracingTimeApi(realTime, realTime); - const root = createTraceRoot('root'); - - const { promise, resolve } = deferred(); - TraceContext.instance.runAsHandler(root, () => { - tracing.setTimeout(() => { - tracing.setTimeout(() => resolve(TraceContext.instance.currentTrace()), 0); - }, 0); - }, realTime); - - const observed = await promise; - assert.deepStrictEqual(traceInfo(observed), { - labels: ['setTimeout(0ms)', 'setTimeout(0ms)', 'root'], - rootLabel: 'root', - depth: 2, - }); - }); - - test('setInterval: each tick gets a fresh child trace', async () => { - const realTime = captureGlobalTimeApi(); - const tracing = TraceContext.instance.createTracingTimeApi(realTime, realTime); - const root = createTraceRoot('root'); - - const observed: Trace[] = []; - const { promise, resolve } = deferred(); - let id: unknown; - TraceContext.instance.runAsHandler(root, () => { - id = tracing.setInterval(() => { - observed.push(TraceContext.instance.currentTrace()); - if (observed.length === 3) { tracing.clearInterval(id); resolve(); } - }, 5); - }, realTime); - - await promise; - assert.deepStrictEqual(observed.map(t => traceInfo(t)), [ - { labels: ['tick #1', 'setInterval(5ms)', 'root'], rootLabel: 'root', depth: 2 }, - { labels: ['tick #2', 'setInterval(5ms)', 'root'], rootLabel: 'root', depth: 2 }, - { labels: ['tick #3', 'setInterval(5ms)', 'root'], rootLabel: 'root', depth: 2 }, - ]); - }); - - test('concurrent runAsHandler via setTimeout 0: traces do not leak across handlers', async () => { - const realTime = captureGlobalTimeApi(); - const tracing = TraceContext.instance.createTracingTimeApi(realTime, realTime); - const a = createTraceRoot('a'); - const b = createTraceRoot('b'); - - const { promise: doneA, resolve: resA } = deferred(); - const { promise: doneB, resolve: resB } = deferred(); - TraceContext.instance.runAsHandler(a, () => { - tracing.setTimeout(() => resA(TraceContext.instance.currentTrace()), 0); - }, realTime); - TraceContext.instance.runAsHandler(b, () => { - tracing.setTimeout(() => resB(TraceContext.instance.currentTrace()), 0); - }, realTime); - - const [tA, tB] = await Promise.all([doneA, doneB]); - assert.deepStrictEqual({ - aRoot: tA.root.label, - aLabels: traceInfo(tA).labels, - bRoot: tB.root.label, - bLabels: traceInfo(tB).labels, - }, { - aRoot: 'a', - aLabels: ['setTimeout(0ms)', 'a'], - bRoot: 'b', - bLabels: ['setTimeout(0ms)', 'b'], - }); - }); - - test('buildHistoryFromTasks adapter: scheduler history feeds the renderer', async () => { - const startTime = 1000; - const store = new DisposableStore(); - const scheduler = new TimeTravelScheduler(startTime); - const p = store.add(new AsyncSchedulerProcessor(scheduler, { maxTaskCount: 100 })); - const vt = createVirtualTimeApi(scheduler, { fakeRequestAnimationFrame: true }); - - const rootA = createTraceRoot('A'); - const rootB = createTraceRoot('B'); - - // A: setTimeout(+0) spawns rAF(+16) and setTimeout(+50); rAF(+16) → rAF(+32). - TraceContext.instance.runWithTrace(rootA, () => { - vt.setTimeout(() => { - vt.requestAnimationFrame!(() => { - vt.requestAnimationFrame!(() => { /* A deep paint */ }); - }); - vt.setTimeout(() => { /* A delayed work */ }, 50); - }, 0); - }); - - // B: setTimeout(+10) → rAF(+26) → setTimeout(+46). - TraceContext.instance.runWithTrace(rootB, () => { - vt.setTimeout(() => { - vt.requestAnimationFrame!(() => { - vt.setTimeout(() => { /* B work */ }, 20); - }); - }, 10); - }); - - await p.run(); - - const history = buildHistoryFromTasks(p.history, startTime); - assert.deepStrictEqual( - { - rootLabels: history.roots.map(r => r.label), - events: history.events.map(e => ({ - time: e.time, - label: e.label, - root: e.root.label, - parent: e.parent ? `${e.parent.label}@+${e.parent.time}` : undefined, - })), - }, - { - rootLabels: ['A', 'B'], - events: [ - { time: 0, label: 'setTimeout', root: 'A', parent: undefined }, - { time: 10, label: 'setTimeout', root: 'B', parent: undefined }, - { time: 16, label: 'requestAnimationFrame', root: 'A', parent: 'setTimeout@+0' }, - { time: 26, label: 'requestAnimationFrame', root: 'B', parent: 'setTimeout@+10' }, - { time: 32, label: 'requestAnimationFrame', root: 'A', parent: 'requestAnimationFrame@+16' }, - { time: 46, label: 'setTimeout', root: 'B', parent: 'requestAnimationFrame@+26' }, - { time: 50, label: 'setTimeout', root: 'A', parent: 'setTimeout@+0' }, - ], - }, - ); - - // Sanity check: the renderer still works on adapter output. Output - // correctness is covered by `executionGraph.test.ts`. - assert.ok(renderSwimlanes(history).length > 0); - - store.dispose(); - }); - - test('complex graph: async/await + setTimeout + setInterval + rAF interleave with preserved causality', async () => { - const startTime = 1000; - const store = new DisposableStore(); - const scheduler = new TimeTravelScheduler(startTime); - const p = store.add(new AsyncSchedulerProcessor(scheduler, { maxTaskCount: 200 })); - const vt = createVirtualTimeApi(scheduler, { fakeRequestAnimationFrame: true }); - const log = TraceContext.instance.log.bind(TraceContext.instance); - - const rootA = createTraceRoot('A'); - const rootB = createTraceRoot('B'); - - // A: setTimeout(+1) runs an async handler that, after a microtask, - // fans out into rAF (+16) and setInterval(10ms). The rAF callback - // itself awaits a microtask before scheduling a setTimeout(+20). - // The interval ticks twice and then clears itself. - TraceContext.instance.runWithTrace(rootA, () => { - vt.setTimeout(async () => { - log('A:start'); - await Promise.resolve(); - log('A:after-await'); - vt.requestAnimationFrame!(async () => { - log('A:rAF'); - await Promise.resolve(); - vt.setTimeout(() => log('A:post-rAF'), 20); - }); - let ticks = 0; - const id = vt.setInterval(() => { - ticks++; - log(`A:tick#${ticks}`); - if (ticks === 2) { vt.clearInterval(id); } - }, 10); - }, 1); - }); - - // B: setTimeout(+3) → rAF (+19) → setTimeout(+39). Starts close to A - // so the two roots' events interleave on the timeline. - TraceContext.instance.runWithTrace(rootB, () => { - vt.setTimeout(() => { - log('B:start'); - vt.requestAnimationFrame!(() => { - log('B:rAF'); - vt.setTimeout(() => log('B:post-rAF'), 20); - }); - }, 3); - }); - - await p.run(); - - const history = buildHistoryFromTasks(p.history, startTime, TraceContext.instance.takeLog()); - assert.deepStrictEqual( - { - rootLabels: history.roots.map(r => r.label), - events: history.events.map(e => ({ - time: e.time, - label: e.label, - root: e.root.label, - parent: e.parent ? `${e.parent.label}@+${e.parent.time}` : undefined, - })), - }, - { - rootLabels: ['A', 'B'], - events: [ - { time: 1, label: 'setTimeout', root: 'A', parent: undefined }, - { time: 1, label: 'log: A:start', root: 'A', parent: 'setTimeout@+1' }, - { time: 1, label: 'log: A:after-await', root: 'A', parent: 'setTimeout@+1' }, - { time: 3, label: 'setTimeout', root: 'B', parent: undefined }, - { time: 3, label: 'log: B:start', root: 'B', parent: 'setTimeout@+3' }, - { time: 11, label: 'setInterval (iteration 1)', root: 'A', parent: 'setTimeout@+1' }, - { time: 11, label: 'log: A:tick#1', root: 'A', parent: 'setInterval (iteration 1)@+11' }, - { time: 17, label: 'requestAnimationFrame', root: 'A', parent: 'setTimeout@+1' }, - { time: 17, label: 'log: A:rAF', root: 'A', parent: 'requestAnimationFrame@+17' }, - { time: 19, label: 'requestAnimationFrame', root: 'B', parent: 'setTimeout@+3' }, - { time: 19, label: 'log: B:rAF', root: 'B', parent: 'requestAnimationFrame@+19' }, - { time: 21, label: 'setInterval (iteration 2)', root: 'A', parent: 'setTimeout@+1' }, - { time: 21, label: 'log: A:tick#2', root: 'A', parent: 'setInterval (iteration 2)@+21' }, - { time: 37, label: 'setTimeout', root: 'A', parent: 'requestAnimationFrame@+17' }, - { time: 37, label: 'log: A:post-rAF', root: 'A', parent: 'setTimeout@+37' }, - { time: 39, label: 'setTimeout', root: 'B', parent: 'requestAnimationFrame@+19' }, - { time: 39, label: 'log: B:post-rAF', root: 'B', parent: 'setTimeout@+39' }, - ], - }, - ); - - // Sanity check: the renderer accepts the adapter output. - assert.ok(renderSwimlanes(history).length > 0); - - store.dispose(); - }); -}); - -function deferred(): { promise: Promise; resolve: (v: T) => void; reject: (e: unknown) => void } { - let resolve!: (v: T) => void; - let reject!: (e: unknown) => void; - const promise = new Promise((res, rej) => { resolve = res; reject = rej; }); - return { promise, resolve, reject }; -} diff --git a/src/vs/base/test/common/traceableTimeApi.ts b/src/vs/base/test/common/traceableTimeApi.ts index 328539184455ee..40d8c5d81d914c 100644 --- a/src/vs/base/test/common/traceableTimeApi.ts +++ b/src/vs/base/test/common/traceableTimeApi.ts @@ -3,350 +3,17 @@ * Licensed under the MIT License. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ -import { BugIndicatingError } from '../../common/errors.js'; -import type { TimeApi } from './timeTravelScheduler.js'; - -/** - * # Trace / tracing time api — theory of operation - * - * ## The problem - * - * In a test runtime where many async activities interleave (parallel fixtures, - * timers, promise chains), we want to ask of any scheduled action: "who - * caused this?". Clean causal attribution is useful for: - * - debugging ("which fixture left this timer queued?"), - * - per-owner termination criteria ("queue drained *for my fixture*"), - * - attribution in error messages. - * - * ## The model - * - * A {@link Trace} is an immutable value identifying a causal chain: - * - * Trace = { id; parent?: Trace; label: string; stack?: string; root: Trace } - * - * Roots have no parent. Every non-root trace's `root` points back to the top - * of its chain. Traces are only created by user code, timer wrappers, or the - * scheduler — never implicitly. - * - * ## The runtime state: {@link TraceContext} - * - * A {@link TraceContext} owns the mutable "current frame" slot plus a - * boolean re-entry guard. Production code uses the shared - * {@link TraceContext.instance}; tests can construct fresh instances for - * full isolation. The slot is mutated by two primitives: - * - * - {@link TraceContext.runWithTrace}(t, fn): set current=t, run fn - * synchronously, restore previous frame on exit. Nesting is supported. - * Microtasks enqueued by fn that run *after* fn returns see the - * restored trace. Use only for bounded synchronous regions. - * - * - {@link TraceContext.runAsHandler}(t, fn, resetApi): set current=t, - * run fn, and - * **do not restore synchronously**. The trace is reset on the next - * macrotask via `resetApi.setTimeout(0)`, guarded by a sequence number. - * Any microtask drain that follows `fn` — including `await` continuations - * inside `fn` — inherits `t`. Throws if called while another runAsHandler - * is on the JS call stack. Use for timer callbacks and other async - * entry points (e.g. the fixture's render body). - * - * ## Why this works for attribution - * - * The JS event loop drains microtasks to completion between macrotasks. So - * any microtask enqueued during a macrotask runs with whatever `_currentTrace` - * that macrotask left behind. If that macrotask is a timer callback that - * used `runAsHandler(t, ...)`, every continuation during its drain sees `t`, - * and any timer scheduled during that drain captures `t` via the tracing - * TimeApi wrapper. - * - * Across macrotasks, the chain is preserved by the wrapper: each call to - * `setTimeout`/`setInterval`/`requestAnimationFrame` going through - * {@link createTracingTimeApi} captures the current trace at schedule time - * and re-installs it (as a child) via `runAsHandler` when the callback fires. - * - * ## Why the identity-guarded reset is correct - * - * Two macrotasks A, B firing back-to-back: - * - * [A] runAsHandler(t_A, fnA) -> _current = frame_A; schedule reset_A - * [micro drain] -> await continuations see t_A - * [B] runAsHandler(t_B, fnB) -> _current = frame_B; schedule reset_B - * [micro drain] -> await continuations see t_B - * [reset_A fires] -> sees _current !== frame_A -> no-op - * [reset_B fires] -> _current = frame_A.prev (or its prev) - * - * Each `runAsHandler` mints a fresh {@link Frame}, so the active-frame - * identity check rejects stale resets. This tolerates arbitrary - * interleaving of concurrent handlers (e.g. parallel fixtures) correctly. - * - * ## Caveat: sync re-entry is a bug - * - * `runAsHandler` throws if another `runAsHandler` is already on the JS - * stack. Timer callbacks never run nested on the same stack (the event - * loop runs one at a time), so this throw only fires for misuse (e.g. a - * handler synchronously calling another handler). Nested - * {@link runWithTrace} is always fine — it push/pops synchronously. - */ - -export class Trace { - private static _idCounter = 0; - - public readonly id: number = ++Trace._idCounter; - public readonly root: Trace; - public readonly depth: number; - public readonly createdAt: number = Date.now(); - - constructor( - public readonly parent: Trace | undefined, - public readonly label: string, - public readonly stack: string | undefined = undefined, - ) { - this.root = parent?.root ?? this; - this.depth = (parent?.depth ?? -1) + 1; - } - - child(label: string, stack?: string): Trace { - return new Trace(this, label, stack); - } - - /** - * Renders the causal chain as "#id label ← #id label ← … ← #id label". - */ - describe(): string { - const parts: string[] = []; - for (let t: Trace | undefined = this; t; t = t.parent) { - parts.push(`#${t.id} ${t.label}`); - } - return parts.join(' ← '); - } - - toString(): string { return this.describe(); } -} - -/** Sentinel root for "no known provenance". */ -export const ROOT_TRACE: Trace = new Trace(undefined, ''); - -export function createTraceRoot(label: string, stack?: string): Trace { - return new Trace(undefined, label, stack); -} - -// ============================================================================ -// TraceContext: encapsulated trace state -// ============================================================================ - -export interface TracingTimeApiOptions { - /** Capture a stack trace on every schedule call. Expensive; enable for - * debugging only. */ - readonly captureStacks?: boolean; - /** Observer hook. Called synchronously on schedule and on fire. */ - readonly onEvent?: (event: TracingTimeEvent) => void; -} - -export type TracingTimeEvent = - | { readonly kind: 'schedule'; readonly api: string; readonly trace: Trace; readonly delayMs?: number } - | { readonly kind: 'fire'; readonly api: string; readonly trace: Trace } - | { readonly kind: 'throw'; readonly api: string; readonly trace: Trace; readonly error: unknown }; - /** - * A pushed/popped trace activation. A fresh `Frame` is minted by every - * `runWithTrace` / `runAsHandler` call; identity is what the deferred - * reset in `runAsHandler` uses to detect that it's stale. + * @deprecated The contents of this file have moved to + * `./virtualScheduling/index.js`. This re-export is kept for backwards + * compatibility and will be removed once all callers have migrated. */ -interface Frame { - readonly trace: Trace; - readonly prev: Frame | undefined; -} - -const ROOT_FRAME: Frame = { trace: ROOT_TRACE, prev: undefined }; - -/** - * Holds the mutable "current frame" slot and exposes the trace propagation - * primitives as methods. - * - * Invariants: - * - Reads (`currentTrace()`) are pure. - * - Writes happen only inside `runWithTrace` / `runAsHandler` bodies. - * - Each call mints a fresh {@link Frame} object. A scheduled reset only - * fires if `_current` still points at *its* frame — preventing a stale - * reset from clobbering a newer installation. - * - `_isHandlerRunning` is true iff a `runAsHandler` frame is on the JS - * call stack. It returns to false between macrotasks. - * - * Production callers go through {@link TraceContext.instance}. Tests may - * construct fresh instances to get full isolation. - */ -export class TraceContext { - /** Shared default context. Production callers use this. */ - public static readonly instance = new TraceContext(); - - private _current: Frame = ROOT_FRAME; - private _isHandlerRunning: boolean = false; - private _log: { trace: Trace; message: string }[] = []; - - currentTrace(): Trace { return this._current.trace; } - - /** - * Append `message` to an in-memory log, tagged with the current trace. - * Useful for tests that want to assert the interleaving of work across - * causally distinct roots. Drain via {@link takeLog}. - */ - log(message: string): void { - this._log.push({ trace: this._current.trace, message }); - } - - /** Drain and return all entries logged via {@link log}. */ - takeLog(): readonly { trace: Trace; message: string }[] { - const entries = this._log; - this._log = []; - return entries; - } - - /** - * Install `t` as the current trace for the synchronous duration of `fn`, - * then restore the previous trace. Nestable. Does NOT propagate `t` into - * microtasks enqueued by fn that run *after* fn returns. - * - * Use for bounded synchronous scopes (e.g. iterating a batch of tagged - * callbacks within a single tick). - */ - runWithTrace(t: Trace, fn: () => T): T { - const prev = this._current; - const next = { trace: t, prev }; - this._current = next; - try { - return fn(); - } finally { - if (this._current !== next) { - // eslint-disable-next-line no-unsafe-finally - throw new BugIndicatingError( - `traceableTimeApi: runWithTrace detected unexpected mutation. ` + - `current=${this._current.trace.describe()}, expected=${t.describe()}` - ); - } - this._current = prev; - } - } - - /** - * Install `t` as the current trace, run `fn`, and keep `t` installed - * through the microtask drain that follows. Restore the previous trace - * via an identity-guarded `resetApi.setTimeout(0)` so that awaited - * continuations within `fn` observe `t`. - * - * Throws if called while another `runAsHandler` frame is on the JS call - * stack (synchronous re-entry is a bug). - */ - runAsHandler(t: Trace, fn: () => T, resetApi: TimeApi): T { - if (this._isHandlerRunning) { - throw new Error( - `traceableTimeApi: re-entrant runAsHandler detected. ` + - `current=${this._current.trace.describe()}, incoming=${t.describe()}` - ); - } - const prev = this._current; - const next: Frame = { trace: t, prev }; - this._current = next; - this._isHandlerRunning = true; - try { - return fn(); - } finally { - this._isHandlerRunning = false; - // Do NOT restore synchronously: microtasks enqueued by fn (including - // awaited continuations) must observe `t`. Schedule an - // identity-guarded reset on the next macrotask via the raw - // real-time API. - // - // `_current !== next` is the normal case when handlers - // interleave: another `runAsHandler` ran between us scheduling - // this reset and it firing, so it pushed its own frame and - // queued its own reset that will do the restoring. Skipping - // here is correct — see the class doc "identity-guarded reset". - resetApi.setTimeout(() => { - if (this._current === next) { - this._current = prev; - } - }, 0); - } - } - - /** - * Wrap `wrapped` so that every scheduled callback is tagged with the - * current trace at schedule time, and re-installed via - * {@link runAsHandler} when it fires. `resetApi` is used to schedule - * trace resets and must be a real-time API (pointing it at a virtual - * API would prevent resets from ever firing). - * - * Re-entrancy with a virtual-time scheduler: do NOT stack this wrapper - * over a virtual-time `TimeApi`. The scheduler already installs traces - * via `runAsHandler` when it runs each task, and a second - * `runAsHandler` from this wrapper would trip the sync re-entry guard. - */ - createTracingTimeApi( - wrapped: TimeApi, - resetApi: TimeApi, - options: TracingTimeApiOptions = {}, - ): TimeApi { - const captureStacks = options.captureStacks ?? false; - const onEvent = options.onEvent; - - const capture = (label: string, delayMs?: number): Trace => { - const stack = captureStacks ? new Error().stack : undefined; - const t = this._current.trace.child(label, stack); - onEvent?.({ kind: 'schedule', api: label, trace: t, delayMs }); - return t; - }; - - const invoke = (trace: Trace, api: string, body: () => void): void => { - onEvent?.({ kind: 'fire', api, trace }); - try { - this.runAsHandler(trace, body, resetApi); - } catch (e) { - onEvent?.({ kind: 'throw', api, trace, error: e }); - throw e; - } - }; - - const api: TimeApi = { - Date: wrapped.Date, - setTimeout: (handler: () => void, ms?: number) => { - const t = capture(`setTimeout(${ms ?? 0}ms)`, ms); - return wrapped.setTimeout(() => invoke(t, 'setTimeout', handler), ms); - }, - clearTimeout: (id: unknown) => wrapped.clearTimeout(id), - setInterval: (handler: () => void, interval: number) => { - const base = capture(`setInterval(${interval}ms)`, interval); - let tickIdx = 0; - return wrapped.setInterval(() => { - const tickTrace = base.child(`tick #${++tickIdx}`); - invoke(tickTrace, 'setInterval', handler); - }, interval); - }, - clearInterval: (id: unknown) => wrapped.clearInterval(id), - }; - - if (wrapped.setImmediate) { - api.setImmediate = (handler: () => void) => { - const t = capture('setImmediate'); - return wrapped.setImmediate!(() => invoke(t, 'setImmediate', handler)); - }; - api.clearImmediate = (id: unknown) => wrapped.clearImmediate?.(id); - } - - if (wrapped.requestAnimationFrame) { - api.requestAnimationFrame = (cb: (time: number) => void) => { - const t = capture('requestAnimationFrame'); - return wrapped.requestAnimationFrame!(time => invoke(t, 'requestAnimationFrame', () => cb(time))); - }; - api.cancelAnimationFrame = (id: number) => wrapped.cancelAnimationFrame?.(id); - } - api.originalFunctions = wrapped.originalFunctions ?? wrapped; - return api; - } +export { + createTraceRoot, + ROOT_TRACE, + Trace, + TraceContext, +} from './virtualScheduling/index.js'; - /** Reset state. Only intended for tests. */ - _resetForTesting(): void { - this._current = ROOT_FRAME; - this._isHandlerRunning = false; - this._log = []; - } -} +export type { RunAsHandlerOptions } from './virtualScheduling/index.js'; diff --git a/src/vs/base/test/common/virtualScheduling/embedding.ts b/src/vs/base/test/common/virtualScheduling/embedding.ts new file mode 100644 index 00000000000000..e7f7b7d1350085 --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/embedding.ts @@ -0,0 +1,89 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { setTimeout0, setTimeout0IsFaster } from '../../../common/platform.js'; +import { TimeApi } from './timeApi.js'; +import { VirtualEvent } from './virtualClock.js'; + +/** + * # The processor/host embedding + * + * An {@link Embedding} is the contract between the processor's pure state + * machine and the host event loop. It is invoked once per virtual step that + * produced progress, and decides *how* the processor reaches the host before + * the next step. + * + * ## Contract + * + * On each invocation the embedding MUST do exactly one of: + * + * 1. Return `'continueSync'` **without** calling `then`. The processor will + * loop in place on the same host stack frame. + * + * 2. Schedule `then` on a host primitive (microtask, macrotask, paint frame) + * and return `'cbScheduled'`. The processor will return and wait for the + * callback to re-enter the trampoline. + * + * The embedding MUST NOT call `then` synchronously and also return + * `'cbScheduled'` (that would re-enter the trampoline before this call + * completed). Likewise, returning `'continueSync'` while having scheduled + * `then` async would cause `then` to fire after the trampoline already + * looped — also a bug. + * + * ## Why a callback contract instead of async/await + * + * Every `await` is an implicit microtask hop. For code whose job is to + * decide host hops, that's the wrong abstraction: the reader has to mentally + * compile the `await` to a boundary. With this contract, every host hop is + * a named call to a single primitive (`api.setTimeout`, `setTimeout0`, + * `api.requestAnimationFrame`, …) at exactly one site in this file. + */ +export type Embedding = ( + nextEvent: VirtualEvent, + then: () => void, +) => 'continueSync' | 'cbScheduled'; + +/** + * Tasks never schedule via promise chains. The processor runs virtual events + * back-to-back on a single host stack frame — fastest possible, but starves + * the host event loop for the duration of the run. + * + * Use only for tests where no `await` / `.then` chains are involved between + * scheduling and execution of virtual events. + */ +export const syncEmbedding: Embedding = () => 'continueSync'; + +/** + * Tasks may schedule via `await` / `.then`. Between virtual events, yield to + * the host so the *microtask closure* — the current microtask plus every + * microtask it transitively enqueues — drains before the next event runs. + * + * This is the embedding to use for almost all integration-style tests. + */ +export function drainMicrotasksEmbedding(realApi: TimeApi): Embedding { + return (next, then) => { + if (next.preferRealAnimationFrame && realApi.requestAnimationFrame) { + realApi.requestAnimationFrame(() => then()); + } else { + nextMacrotask(realApi, then); + } + return 'cbScheduled'; + }; +} + +/** + * Schedule `cb` after the closure of the current microtask queue: `cb` + * fires only after the current microtask AND every microtask it + * (recursively, transitively) enqueues has settled. + * + * Per the HTML spec, a macrotask runs only when the microtask queue is + * empty, so any macrotask primitive achieves this. We pick the fastest + * one available on the host. + */ +export function nextMacrotask(api: TimeApi, cb: () => void): void { + if (setTimeout0IsFaster) { setTimeout0(cb); return; } + if (api.setImmediate) { api.setImmediate(cb); return; } + api.setTimeout(cb, 0); +} diff --git a/src/vs/base/test/common/virtualScheduling/globalTimeApi.ts b/src/vs/base/test/common/virtualScheduling/globalTimeApi.ts new file mode 100644 index 00000000000000..17bbb04607881e --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/globalTimeApi.ts @@ -0,0 +1,82 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { IDisposable } from '../../../common/lifecycle.js'; +import { captureGlobalTimeApi, realTimeApi, TimeApi } from './timeApi.js'; + +/** Cast through `unknown` so we don't widen our typed `TimeApi` shapes to `any`. */ +type AsGlobal = (typeof globalThis)[K]; + +/** + * Ensure `fn` carries an `originalFn` back-door pointing at the real + * (non-virtual) `setTimeout`. We prefer the existing tag on `fn`, then a tag + * inherited from `previousFn` (which may itself be a wrapper that already + * carried the back-door), and finally fall back to `realTimeApi.setTimeout` + * — which has its own `originalFn` set at module load. + */ +function ensureSetTimeoutOriginalFn(fn: TimeApi['setTimeout'], previousFn: TimeApi['setTimeout']): TimeApi['setTimeout'] { + const tagged = fn as TimeApi['setTimeout'] & { originalFn?: TimeApi['setTimeout'] }; + if (!tagged.originalFn) { + const previousTagged = previousFn as TimeApi['setTimeout'] & { originalFn?: TimeApi['setTimeout'] }; + const realTagged = realTimeApi.setTimeout as TimeApi['setTimeout'] & { originalFn?: TimeApi['setTimeout'] }; + tagged.originalFn = previousTagged.originalFn ?? realTagged.originalFn ?? realTimeApi.setTimeout; + } + return tagged; +} + +/** + * Replace the global time APIs (`setTimeout`, `setInterval`, …, `Date`, + * optionally `requestAnimationFrame`) with the ones from `api`. Returns a + * disposable that restores the previous globals. + * + * The previous globals are captured *at install time*, so nested installs + * compose correctly (the disposable restores to whatever was current when + * this call was made, not to the original real values). + * + * `setTimeout.originalFn` is preserved on the installed function so callers + * like the component-explorer host can escape virtual time when polling. + * If `api.setTimeout` does not already carry `originalFn`, it is copied from + * the previous global (or defaulted to the real `setTimeout`) so wrapping + * APIs such as a logging wrapper don't drop the back-door. + */ +export function pushGlobalTimeApi(api: TimeApi): IDisposable { + const previous = captureGlobalTimeApi(); + + globalThis.setTimeout = ensureSetTimeoutOriginalFn(api.setTimeout, previous.setTimeout) as unknown as AsGlobal<'setTimeout'>; + globalThis.clearTimeout = api.clearTimeout as unknown as AsGlobal<'clearTimeout'>; + globalThis.setInterval = api.setInterval as unknown as AsGlobal<'setInterval'>; + globalThis.clearInterval = api.clearInterval as unknown as AsGlobal<'clearInterval'>; + globalThis.Date = api.Date; + + if (api.requestAnimationFrame) { + globalThis.requestAnimationFrame = api.requestAnimationFrame as unknown as AsGlobal<'requestAnimationFrame'>; + } + if (api.cancelAnimationFrame) { + globalThis.cancelAnimationFrame = api.cancelAnimationFrame as unknown as AsGlobal<'cancelAnimationFrame'>; + } + + return { + dispose: () => { + globalThis.setTimeout = ensureSetTimeoutOriginalFn(previous.setTimeout, previous.setTimeout) as unknown as AsGlobal<'setTimeout'>; + globalThis.clearTimeout = previous.clearTimeout as unknown as AsGlobal<'clearTimeout'>; + globalThis.setInterval = previous.setInterval as unknown as AsGlobal<'setInterval'>; + globalThis.clearInterval = previous.clearInterval as unknown as AsGlobal<'clearInterval'>; + globalThis.Date = previous.Date; + if (previous.requestAnimationFrame) { + globalThis.requestAnimationFrame = previous.requestAnimationFrame as unknown as AsGlobal<'requestAnimationFrame'>; + } + if (previous.cancelAnimationFrame) { + globalThis.cancelAnimationFrame = previous.cancelAnimationFrame as unknown as AsGlobal<'cancelAnimationFrame'>; + } + }, + }; +} + +// One-shot tag on the *real* setTimeout: lets callers (e.g. the +// component-explorer host's polling loop) escape virtual time even after +// pushGlobalTimeApi has installed a virtual version on top. The `originalFn` +// property is not on the `setTimeout` signature by design — it's a back-door +// convention shared with the polling code. +(realTimeApi.setTimeout as unknown as { originalFn: TimeApi['setTimeout'] }).originalFn = realTimeApi.setTimeout; diff --git a/src/vs/base/test/common/virtualScheduling/index.ts b/src/vs/base/test/common/virtualScheduling/index.ts new file mode 100644 index 00000000000000..6fc1a232f58db5 --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/index.ts @@ -0,0 +1,32 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +// Greenfield virtual scheduling primitives. +// +// This folder is the new home for virtual-time scheduling. It supersedes +// `timeTravelScheduler.ts` and `traceableTimeApi.ts`, both of which are +// retained as @deprecated re-export shims. + +export type { TimeApi } from './timeApi.js'; +export { captureGlobalTimeApi, realTimeApi } from './timeApi.js'; + +export type { EventSource, VirtualEvent, VirtualTime } from './virtualClock.js'; +export { VirtualClock } from './virtualClock.js'; + +export type { RunAsHandlerOptions } from './trace.js'; +export { ROOT_TRACE, Trace, TraceContext, createTraceRoot } from './trace.js'; + +export type { Embedding } from './embedding.js'; +export { drainMicrotasksEmbedding, nextMacrotask, syncEmbedding } from './embedding.js'; + +export type { RunOptions, TerminationPolicy, VirtualTimeProcessorOptions } from './processor.js'; +export { VirtualTimeProcessor, untilIdle, untilTime, untilToken } from './processor.js'; + +export { pushGlobalTimeApi } from './globalTimeApi.js'; +export type { CreateVirtualTimeApiOptions } from './virtualTimeApi.js'; +export { createVirtualTimeApi } from './virtualTimeApi.js'; +export { createLoggingTimeApi } from './loggingTimeApi.js'; +export type { RunWithFakedTimersOptions } from './runWithFakedTimers.js'; +export { runWithFakedTimers } from './runWithFakedTimers.js'; diff --git a/src/vs/base/test/common/virtualScheduling/loggingTimeApi.ts b/src/vs/base/test/common/virtualScheduling/loggingTimeApi.ts new file mode 100644 index 00000000000000..e0840cb7ee0417 --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/loggingTimeApi.ts @@ -0,0 +1,42 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { TimeApi } from './timeApi.js'; + +/** + * Wrap `underlying` so that every call to `setTimeout`, `setInterval`, + * `setImmediate` or `requestAnimationFrame` invokes `onCall` first. + * + * Useful for diagnostics — e.g. logging timer registrations made outside of + * virtual time, to find leaks of real-time scheduling into a fixture. + */ +export function createLoggingTimeApi( + underlying: TimeApi, + onCall: (name: string, stack: string | undefined, handler?: () => void) => void, +): TimeApi { + return { + setTimeout(handler, timeout) { + onCall('setTimeout', new Error().stack, handler); + return underlying.setTimeout(handler, timeout); + }, + clearTimeout(id) { return underlying.clearTimeout(id); }, + setInterval(handler, interval) { + onCall('setInterval', new Error().stack, handler); + return underlying.setInterval(handler, interval); + }, + clearInterval(id) { return underlying.clearInterval(id); }, + setImmediate: underlying.setImmediate ? handler => { + onCall('setImmediate', new Error().stack, handler); + return underlying.setImmediate!(handler); + } : undefined, + clearImmediate: underlying.clearImmediate, + requestAnimationFrame: underlying.requestAnimationFrame ? cb => { + onCall('requestAnimationFrame', new Error().stack, cb as () => void); + return underlying.requestAnimationFrame!(cb); + } : undefined, + cancelAnimationFrame: underlying.cancelAnimationFrame, + Date: underlying.Date, + }; +} diff --git a/src/vs/base/test/common/virtualScheduling/processor.ts b/src/vs/base/test/common/virtualScheduling/processor.ts new file mode 100644 index 00000000000000..5d44f7233f830c --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/processor.ts @@ -0,0 +1,384 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { CancellationToken } from '../../../common/cancellation.js'; +import { Disposable, DisposableStore, IDisposable } from '../../../common/lifecycle.js'; +import { Embedding, nextMacrotask } from './embedding.js'; +import { TimeApi } from './timeApi.js'; +import { ROOT_TRACE, TraceContext } from './trace.js'; +import { EventSource, VirtualClock, VirtualEvent, VirtualTime } from './virtualClock.js'; + +// ============================================================================ +// Termination policy +// ============================================================================ + +/** + * When a {@link Run} should terminate. + * + * Greenfield design choice: termination is *always* explicit. There is no + * "bare run()" that terminates on first empty queue, because that creates a + * race with the caller's microtask chain (the run can resolve before the + * caller's `.then` has had a chance to schedule). + */ +export type TerminationPolicy = + /** Resolve as soon as the virtual queue is empty. */ + | { readonly kind: 'idle' } + /** Resolve when the token is cancelled AND the queue is empty. */ + | { readonly kind: 'token'; readonly token: CancellationToken } + /** Resolve when virtual time has reached `time` and all events scheduled + * at or before `time` have been processed. A sentinel event at `time` + * is scheduled by the processor so virtual time always reaches it. */ + | { readonly kind: 'time'; readonly time: VirtualTime }; + +export const untilIdle: TerminationPolicy = { kind: 'idle' }; +export function untilToken(token: CancellationToken): TerminationPolicy { return { kind: 'token', token }; } +export function untilTime(time: VirtualTime): TerminationPolicy { return { kind: 'time', time }; } + +export interface RunOptions { + readonly until: TerminationPolicy; + /** Maximum number of virtual events this run will execute. Default: 100. */ + readonly maxEvents?: number; + /** Maximum causal-trace depth this run will tolerate. Useful for catching + * runaway self-rescheduling timers. */ + readonly maxTraceDepth?: number; +} + +// ============================================================================ +// Run — internal state for a single processor.run() invocation +// ============================================================================ + +type RunStatus = 'continue' | 'done' | { readonly error: Error }; + +class Run { + private static _idCounter = 0; + public readonly id = ++Run._idCounter; + + public readonly promise: Promise; + private _resolve!: () => void; + private _reject!: (e: Error) => void; + private _settled = false; + public get settled(): boolean { return this._settled; } + + constructor( + public readonly options: RunOptions, + public readonly executedAtStart: number, + public readonly maxEvents: number, + ) { + this.promise = new Promise((res, rej) => { this._resolve = res; this._reject = rej; }); + } + + settle(error?: Error): void { + if (this._settled) { return; } + this._settled = true; + if (error) { this._reject(error); } else { this._resolve(); } + } + + evaluate(clock: VirtualClock, executedTotal: number, makeOverflow: () => Error): RunStatus { + const local = executedTotal - this.executedAtStart; + if (local >= this.maxEvents && clock.hasEvents) { + return { error: makeOverflow() }; + } + + const u = this.options.until; + switch (u.kind) { + case 'idle': + return clock.hasEvents ? 'continue' : 'done'; + case 'token': + return u.token.isCancellationRequested && !clock.hasEvents ? 'done' : 'continue'; + case 'time': { + // Done iff every remaining event is strictly past the deadline. + // The sentinel guarantees the queue is non-empty until at + // least the deadline is reached, so we never resolve "early" + // just because nothing has been scheduled yet. + const next = clock.peekNext(); + return next === undefined || next.time > u.time ? 'done' : 'continue'; + } + } + } +} + +// ============================================================================ +// Step outcome — what the pure state machine tells the trampoline +// ============================================================================ + +type StepOutcome = + /** Either a virtual event was executed, or a run was rejected for a + * bookkeeping reason (depth/event overflow). The trampoline should let + * the embedding decide how to reach the next step. */ + | 'progress' + /** No actionable event under any active deadline. The trampoline should + * park until something wakes the processor. */ + | 'park' + /** No active runs. The trampoline should stop driving. */ + | 'quiesce'; + +// ============================================================================ +// VirtualTimeProcessor +// ============================================================================ + +export interface VirtualTimeProcessorOptions { + readonly defaultMaxEvents?: number; +} + +/** + * # VirtualTimeProcessor + * + * Drives a {@link VirtualClock} from the host event loop. This is the + * **embedding** of a small virtual event loop into the host event loop. + * + * ## Responsibilities, separated + * + * - {@link _step} is a *pure* state-machine advance. It reads the clock, + * decides what to do, optionally executes one virtual event, and returns + * a {@link StepOutcome}. It never touches host time. + * + * - {@link _drive} is the *trampoline*. It calls `_step` and lets the + * {@link Embedding} decide whether to loop in place (`'continueSync'`) + * or schedule the next iteration on the host (`'cbScheduled'`). It is + * the only code that touches host time. + * + * - {@link Run} carries the user's termination predicate. Runs are pure + * over `_step`'s observations; they never schedule. + * + * ## Invariants + * + * 1. **Single driver.** At any moment at most one `_drive` invocation is + * active per processor (the `_inDrive` guard). + * + * 2. **Step is pure w.r.t. host time.** `_step` only reads the clock, + * mutates the run set via settling, and synchronously runs at most one + * virtual event. It never calls into a host time API. + * + * 3. **Embedding chooses the host primitive.** Whether the next step runs + * inline, after a microtask drain, or on a paint frame is entirely the + * embedding's decision — *per event*. + * + * 4. **Park is breakable.** While parked, the processor wakes on + * {@link VirtualClock.onEventScheduled}, on a token cancellation, and + * on a new run being added. + * + * 5. **Disposal is terminal.** After dispose, all runs are rejected and + * `_step`/`_drive` short-circuit to `'quiesce'`. + * + * ## On the trace-reset sink + * + * The trace context's deferred reset (see {@link TraceContext.runAsHandler}) + * needs a "fire after the microtask closure" primitive. The processor passes + * its *own* {@link nextMacrotask} as that sink, so the reset goes through + * the same primitive the embedding uses for its own host hops. This removes + * any race between the processor's hops and the trace-reset timer. + */ +export class VirtualTimeProcessor extends Disposable { + + private readonly _runs = new Map(); + private readonly _history: VirtualEvent[] = []; + private _executedTotal = 0; + private _disposed = false; + + private _inDrive = false; + private _parkCleanup: IDisposable | undefined; + + private readonly _defaultMaxEvents: number; + + public get history(): readonly VirtualEvent[] { return this._history; } + public get executedTotal(): number { return this._executedTotal; } + + constructor( + private readonly _clock: VirtualClock, + private readonly _embedding: Embedding, + private readonly _realApi: TimeApi, + opts: VirtualTimeProcessorOptions = {}, + ) { + super(); + this._defaultMaxEvents = opts.defaultMaxEvents ?? 100; + this._register({ dispose: () => this._onDispose() }); + } + + // ---- Public API ----------------------------------------------------- + + /** Start a run with the given termination policy. */ + run(options: RunOptions): Promise { + const run = new Run(options, this._executedTotal, options.maxEvents ?? this._defaultMaxEvents); + const cleanup = new DisposableStore(); + + // Wake the loop on token cancellation so the run can re-evaluate. + if (options.until.kind === 'token') { + cleanup.add(options.until.token.onCancellationRequested(() => this._wake())); + } + + // For time-based termination, schedule a sentinel event at the + // deadline. This guarantees virtual time reaches the deadline even if + // the user never schedules anything else, and that the run does not + // resolve early just because the queue happens to be empty *now*. + if (options.until.kind === 'time' && options.until.time > this._clock.now) { + const source: EventSource = { toString: () => `` }; + cleanup.add(this._clock.schedule({ + time: options.until.time, + source, + run: () => { /* sentinel: no-op */ }, + })); + } + + this._runs.set(run, cleanup); + this._wake(); + return run.promise; + } + + // ---- The pure step -------------------------------------------------- + + private _step(): StepOutcome { + if (this._disposed) { return 'quiesce'; } + + this._settleFinishedRuns(); + if (this._runs.size === 0) { return 'quiesce'; } + + const next = this._clock.peekNext(); + if (next === undefined) { return 'park'; } + + // Per-run trace-depth check: reject any run whose limit this event + // would exceed, before executing. + const traceDepth = next.trace?.depth ?? 0; + let depthOverflow = false; + for (const run of [...this._runs.keys()]) { + const limit = run.options.maxTraceDepth; + if (limit !== undefined && traceDepth > limit) { + this._settleRun(run, this._buildDepthOverflow(run, traceDepth)); + depthOverflow = true; + } + } + if (depthOverflow) { return 'progress'; } + + this._executeOne(next); + return 'progress'; + } + + private _executeOne(event: VirtualEvent): void { + try { + TraceContext.instance.runAsHandler( + event.trace ?? ROOT_TRACE, + () => { + const e = this._clock.runNext(); + if (e) { + this._history.push(e); + this._executedTotal++; + } + }, + { + // Route the trace-reset through the same host primitive + // the embedding uses, so there is no race between this + // timer and the embedding's next hop. + afterMicrotaskClosure: cb => nextMacrotask(this._realApi, cb), + }, + ); + } catch (e) { + const err = e instanceof Error ? e : new Error(String(e)); + // We can't tell which run "owned" the throwing event. Reject all + // active runs so the failure is observed exactly once per caller. + for (const run of [...this._runs.keys()]) { this._settleRun(run, err); } + } + } + + // ---- The trampoline ------------------------------------------------- + + private readonly _drive = (): void => { + if (this._inDrive) { return; } + this._inDrive = true; + try { + while (true) { + const outcome = this._step(); + if (outcome === 'quiesce') { return; } + if (outcome === 'park') { this._park(); return; } + + // 'progress': read the next event so the embedding can pick a + // per-event primitive. If there is none, loop and let the next + // `_step` decide between 'park' and 'quiesce'. + const next = this._clock.peekNext(); + if (next === undefined) { continue; } + + const choice = this._embedding(next, this._drive); + if (choice === 'cbScheduled') { return; } + // 'continueSync': loop in place. + } + } finally { + this._inDrive = false; + } + }; + + // ---- Park & wake ---------------------------------------------------- + + private _park(): void { + this._unpark(); + const store = new DisposableStore(); + store.add(this._clock.onEventScheduled(() => this._wake())); + this._parkCleanup = store; + } + + private _unpark(): void { + this._parkCleanup?.dispose(); + this._parkCleanup = undefined; + } + + private _wake(): void { + if (this._disposed) { return; } + this._unpark(); + // Re-enter the trampoline on a host macrotask, NOT a microtask. This: + // - coalesces multiple wake() calls in the same tick, + // - keeps the driver off the caller's stack frame, and + // - lets the entire pending microtask closure (including microtasks + // enqueued AFTER this `_wake` call within the same outer microtask + // -- e.g. `queueMicrotask(...)` calls inside an `AsyncIterable` + // constructor that runs after `clock.schedule` triggered the wake) + // drain before the next `_step`. A microtask hop here would queue + // the driver in FIFO order with those subsequent microtasks, so the + // driver could run a virtual event before the consumer-side promise + // chain that depends on it has settled. + nextMacrotask(this._realApi, this._drive); + } + + // ---- Run lifecycle -------------------------------------------------- + + private _settleFinishedRuns(): void { + for (const run of [...this._runs.keys()]) { + if (run.settled) { continue; } + const status = run.evaluate(this._clock, this._executedTotal, () => this._buildOverflow(run)); + if (status === 'done') { + this._settleRun(run); + } else if (typeof status === 'object') { + this._settleRun(run, status.error); + } + } + } + + private _settleRun(run: Run, error?: Error): void { + const cleanup = this._runs.get(run); + if (!cleanup) { return; } + this._runs.delete(run); + cleanup.dispose(); + run.settle(error); + } + + private _buildOverflow(run: Run): Error { + const local = this._executedTotal - run.executedAtStart; + return new Error( + `[VirtualTimeProcessor] Run #${run.id} exceeded maxEvents (${run.maxEvents}) — ` + + `executed ${local} virtual event(s) and the queue is still not empty.` + ); + } + + private _buildDepthOverflow(run: Run, depth: number): Error { + return new Error( + `[VirtualTimeProcessor] Run #${run.id} exceeded maxTraceDepth (${run.options.maxTraceDepth}) — ` + + `next event has trace depth ${depth}. ` + + `This usually indicates a runaway self-rescheduling timer.` + ); + } + + private _onDispose(): void { + this._disposed = true; + this._unpark(); + const err = new Error('VirtualTimeProcessor disposed'); + for (const run of [...this._runs.keys()]) { this._settleRun(run, err); } + } +} diff --git a/src/vs/base/test/common/virtualScheduling/runWithFakedTimers.ts b/src/vs/base/test/common/virtualScheduling/runWithFakedTimers.ts new file mode 100644 index 00000000000000..4d4e2be9409a2e --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/runWithFakedTimers.ts @@ -0,0 +1,84 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { CancellationTokenSource } from '../../../common/cancellation.js'; +import { drainMicrotasksEmbedding } from './embedding.js'; +import { pushGlobalTimeApi } from './globalTimeApi.js'; +import { realTimeApi } from './timeApi.js'; +import { untilToken, VirtualTimeProcessor } from './processor.js'; +import { VirtualClock } from './virtualClock.js'; +import { createVirtualTimeApi } from './virtualTimeApi.js'; + +export interface RunWithFakedTimersOptions { + readonly startTime?: number; + /** Default `true`. Set `false` to bypass virtual time entirely (for + * cases where the same test is parameterised over real/virtual time). */ + readonly useFakeTimers?: boolean; + /** No effect in the new processor; accepted for legacy compatibility. + * The drain-microtasks embedding picks the fastest available macrotask + * primitive automatically. */ + readonly useSetImmediate?: boolean; + /** Maximum number of virtual events the run is allowed to execute + * before being rejected. Default 100. */ + readonly maxTaskCount?: number; +} + +/** + * Run `fn` with a virtual clock installed as the global time API. + * + * After `fn` resolves, the virtual queue is drained (so any timers `fn` + * scheduled and `await`ed for, transitively, complete deterministically). + * If `fn` throws, the queue is *not* drained — the original error is + * re-thrown immediately. + */ +export async function runWithFakedTimers( + options: RunWithFakedTimersOptions, + fn: () => Promise, +): Promise { + const useFakeTimers = options.useFakeTimers !== false; + if (!useFakeTimers) { return fn(); } + + const clock = new VirtualClock(options.startTime ?? 0); + const virtualApi = createVirtualTimeApi(clock); + const restoreGlobals = pushGlobalTimeApi(virtualApi); + + const processor = new VirtualTimeProcessor( + clock, + drainMicrotasksEmbedding(realTimeApi), + realTimeApi, + { defaultMaxEvents: options.maxTaskCount ?? 100 }, + ); + + const cts = new CancellationTokenSource(); + const runPromise = processor.run({ until: untilToken(cts.token) }); + + let didThrow = true; + let result: T; + try { + result = await fn(); + didThrow = false; + } finally { + // Stop intercepting real-time scheduling before draining: any tasks + // scheduled during the drain itself must not land back in the + // virtual queue. + restoreGlobals.dispose(); + cts.cancel(); + + try { + if (!didThrow) { + await runPromise; + } else { + // Avoid an unhandled rejection in case disposal rejects the + // run. + runPromise.catch(() => { /* swallowed: fn() already failed */ }); + } + } finally { + cts.dispose(); + processor.dispose(); + } + } + + return result; +} diff --git a/src/vs/base/test/common/virtualScheduling/timeApi.ts b/src/vs/base/test/common/virtualScheduling/timeApi.ts new file mode 100644 index 00000000000000..a5e2fd15e2e6a7 --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/timeApi.ts @@ -0,0 +1,48 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +export interface TimeoutId { readonly _timeoutIdBrand: void } +export interface IntervalId { readonly _intervalIdBrand: void } +export interface ImmediateId { readonly _immediateIdBrand: void } +export type AnimationFrameId = number & { readonly _animationFrameIdBrand: void }; + +/** + * The subset of host time APIs the processor and embeddings need. + * + * Used both for the real host API (captured via {@link captureGlobalTimeApi}) + * and for the virtual replacement that runs through a {@link VirtualClock}. + * + * Keeping this as a plain interface means the processor never reaches into + * `globalThis` directly: the boundary between "real time" and "virtual time" + * is exactly which `TimeApi` instance is in use. + */ +export interface TimeApi { + setTimeout(handler: () => void, timeout?: number): TimeoutId; + clearTimeout(id: TimeoutId): void; + setInterval(handler: () => void, interval: number): IntervalId; + clearInterval(id: IntervalId): void; + setImmediate?: ((handler: () => void) => ImmediateId); + clearImmediate?: ((id: ImmediateId) => void); + requestAnimationFrame?: ((cb: (time: number) => void) => AnimationFrameId); + cancelAnimationFrame?: ((id: AnimationFrameId) => void); + Date: DateConstructor; +} + +export function captureGlobalTimeApi(): TimeApi { + return { + setTimeout: globalThis.setTimeout.bind(globalThis) as unknown as TimeApi['setTimeout'], + clearTimeout: globalThis.clearTimeout.bind(globalThis) as unknown as TimeApi['clearTimeout'], + setInterval: globalThis.setInterval.bind(globalThis) as unknown as TimeApi['setInterval'], + clearInterval: globalThis.clearInterval.bind(globalThis) as unknown as TimeApi['clearInterval'], + setImmediate: globalThis.setImmediate?.bind(globalThis) as unknown as TimeApi['setImmediate'], + clearImmediate: globalThis.clearImmediate?.bind(globalThis) as unknown as TimeApi['clearImmediate'], + requestAnimationFrame: globalThis.requestAnimationFrame?.bind(globalThis) as unknown as TimeApi['requestAnimationFrame'], + cancelAnimationFrame: globalThis.cancelAnimationFrame?.bind(globalThis) as unknown as TimeApi['cancelAnimationFrame'], + Date: globalThis.Date, + }; +} + +/** A snapshot of the real host time API at module-load time. */ +export const realTimeApi: TimeApi = captureGlobalTimeApi(); diff --git a/src/vs/base/test/common/virtualScheduling/trace.ts b/src/vs/base/test/common/virtualScheduling/trace.ts new file mode 100644 index 00000000000000..c0ce2a7d1cf9fa --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/trace.ts @@ -0,0 +1,172 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { BugIndicatingError } from '../../../common/errors.js'; + +/** + * # Trace — causal-chain attribution for scheduled work + * + * A {@link Trace} is an immutable value identifying a causal chain. Every + * non-root trace carries a `parent`; the head of the chain has no parent. + * Use {@link child} to extend a chain when scheduling follow-up work. + * + * Traces are used to answer "who caused this?" for any virtual event: + * useful for debugging, for per-owner termination, and for attribution in + * error messages. + */ +export class Trace { + private static _idCounter = 0; + public readonly id: number = ++Trace._idCounter; + public readonly root: Trace; + public readonly depth: number; + + constructor( + public readonly parent: Trace | undefined, + public readonly label: string, + public readonly stack: string | undefined = undefined, + ) { + this.root = parent?.root ?? this; + this.depth = (parent?.depth ?? -1) + 1; + } + + child(label: string, stack?: string): Trace { + return new Trace(this, label, stack); + } + + /** "#id label ← #id label ← … ← #id label" */ + describe(): string { + const parts: string[] = []; + for (let t: Trace | undefined = this; t; t = t.parent) { + parts.push(`#${t.id} ${t.label}`); + } + return parts.join(' ← '); + } + + toString(): string { return this.describe(); } +} + +/** Sentinel for "no known causal predecessor". */ +export const ROOT_TRACE: Trace = new Trace(undefined, ''); + +export function createTraceRoot(label: string, stack?: string): Trace { + return new Trace(undefined, label, stack); +} + +interface Frame { + readonly trace: Trace; + readonly prev: Frame | undefined; +} + +const ROOT_FRAME: Frame = { trace: ROOT_TRACE, prev: undefined }; + +/** + * Options for {@link TraceContext.runAsHandler}. + * + * # Why this is a per-call option + * + * `runAsHandler` cannot restore the previous trace synchronously: microtasks + * enqueued by `fn` (including awaited continuations) must observe the new + * trace. So the reset is deferred — but it must fire after the *closure* of + * the microtask queue (the current microtask plus every microtask it + * recursively enqueues), not just one drain. + * + * Per spec, the host doesn't run a macrotask until the microtask queue is + * empty, so any macrotask primitive (`setTimeout(0)`, `setImmediate`, the + * `setTimeout0` shim) achieves this. Letting the *caller* supply the sink + * means: + * + * - the {@link VirtualTimeProcessor} can route the reset through the same + * primitive its embedding uses for its own host hops, eliminating any + * race between the processor's hops and the trace-reset timer; + * + * - production code without a processor can still use a real + * `setTimeout(0)`-based sink and get the same semantics; + * + * - tests can install a deterministic sink (e.g. a hand-driven queue) for + * fully synchronous assertions. + */ +export interface RunAsHandlerOptions { + /** + * Sink for the deferred trace-reset. + * + * Must invoke `reset` after the microtask closure that follows the + * `runAsHandler` call returns — i.e. on the next host macrotask. + */ + readonly afterMicrotaskClosure: (reset: () => void) => void; +} + +/** + * Holds the mutable "current trace frame" slot. Construct fresh instances + * for test isolation, or use {@link TraceContext.instance} for shared state. + */ +export class TraceContext { + public static readonly instance = new TraceContext(); + + private _current: Frame = ROOT_FRAME; + private _isHandlerRunning = false; + + currentTrace(): Trace { return this._current.trace; } + + /** + * Install `t` as current for the synchronous duration of `fn`, then + * restore. Nestable. Microtasks enqueued by fn that run after fn returns + * see the *restored* trace — use {@link runAsHandler} when continuation + * inheritance is wanted. + */ + runWithTrace(t: Trace, fn: () => T): T { + const prev = this._current; + const next: Frame = { trace: t, prev }; + this._current = next; + try { + return fn(); + } finally { + if (this._current !== next) { + // eslint-disable-next-line no-unsafe-finally + throw new BugIndicatingError( + `runWithTrace: unexpected mutation of current frame.` + ); + } + this._current = prev; + } + } + + /** + * Install `t` as current and run `fn`. The trace stays current through + * the microtask closure that follows `fn`, so awaited continuations + * inside fn observe `t`. The reset is dispatched via + * `opts.afterMicrotaskClosure`. + * + * Throws on synchronous re-entry: timer callbacks never nest on the + * same JS stack frame, so this only fires for misuse. + */ + runAsHandler(t: Trace, fn: () => T, opts: RunAsHandlerOptions): T { + if (this._isHandlerRunning) { + throw new Error( + `runAsHandler: re-entrant invocation. ` + + `current=${this._current.trace.describe()}, incoming=${t.describe()}` + ); + } + const prev = this._current; + const next: Frame = { trace: t, prev }; + this._current = next; + this._isHandlerRunning = true; + try { + return fn(); + } finally { + this._isHandlerRunning = false; + opts.afterMicrotaskClosure(() => { + // Identity guard: another handler may have run between us + // queuing this reset and it firing. Each runAsHandler mints + // a fresh frame, so reference-equality detects staleness. + if (this._current === next) { this._current = prev; } + }); + } + } + + _resetForTesting(): void { + this._current = ROOT_FRAME; + this._isHandlerRunning = false; + } +} diff --git a/src/vs/base/test/common/virtualScheduling/virtualClock.ts b/src/vs/base/test/common/virtualScheduling/virtualClock.ts new file mode 100644 index 00000000000000..559ec586540c1f --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/virtualClock.ts @@ -0,0 +1,121 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { compareBy, numberComparator, tieBreakComparators } from '../../../common/arrays.js'; +import { Emitter } from '../../../common/event.js'; +import { IDisposable } from '../../../common/lifecycle.js'; +import { Trace } from './trace.js'; + +export type VirtualTime = number; + +/** Debug source description for an event. */ +export interface EventSource { + toString(): string; + readonly stackTrace?: string; +} + +/** + * A unit of work scheduled at a point in virtual time. + * + * Timer callbacks are events. External completions (e.g. fake fs reads) can + * also be modelled as events whose virtual completion time is chosen by a + * scheduling policy — to the {@link VirtualClock} they are indistinguishable. + */ +export interface VirtualEvent { + readonly time: VirtualTime; + readonly source: EventSource; + readonly trace?: Trace; + /** + * Hint for the {@link Embedding}: this event prefers to run on a real + * animation frame (e.g. so DOM measurements after it observe a real + * reflow). Pure-time tests can ignore the hint. + */ + readonly preferRealAnimationFrame?: boolean; + run(): void; +} + +interface QueuedEvent extends VirtualEvent { readonly id: number } + +const eventComparator = tieBreakComparators( + compareBy(e => e.time, numberComparator), + compareBy(e => e.id, numberComparator), +); + +/** + * A pure data structure: a virtual clock + a priority queue of events. + * + * The clock has no concept of "real time". It is advanced exclusively by + * {@link runNext}, which sets `now` to the next event's `time` before running + * it. The {@link VirtualTimeProcessor} is the only intended driver, but the + * clock is useful in isolation (e.g. for unit-testing a scheduler or for + * stepping a scenario manually). + */ +export class VirtualClock { + private _now: VirtualTime; + private _idCounter = 0; + private readonly _queue = new SimplePriorityQueue(eventComparator); + private readonly _onEventScheduled = new Emitter(); + + public readonly onEventScheduled = this._onEventScheduled.event; + + constructor(startTime: VirtualTime = 0) { + this._now = startTime; + } + + get now(): VirtualTime { return this._now; } + get hasEvents(): boolean { return this._queue.length > 0; } + + schedule(event: VirtualEvent): IDisposable { + if (event.time < this._now) { + throw new Error(`Scheduled time (${event.time}) must be >= now (${this._now}).`); + } + const queued: QueuedEvent = { ...event, id: this._idCounter++ }; + this._queue.add(queued); + this._onEventScheduled.fire(event); + return { dispose: () => this._queue.remove(queued) }; + } + + peekNext(): VirtualEvent | undefined { return this._queue.getMin(); } + + runNext(): VirtualEvent | undefined { + const e = this._queue.removeMin(); + if (e) { + this._now = e.time; + e.run(); + } + return e; + } + + getEvents(): readonly VirtualEvent[] { return this._queue.toSortedArray(); } +} + +class SimplePriorityQueue { + private _items: T[] = []; + private _sorted = true; + + constructor(private readonly _compare: (a: T, b: T) => number) { } + + get length(): number { return this._items.length; } + + add(value: T): void { + this._items.push(value); + this._sorted = false; + } + + remove(value: T): void { + const i = this._items.indexOf(value); + if (i !== -1) { this._items.splice(i, 1); } + } + + getMin(): T | undefined { this._ensureSorted(); return this._items[0]; } + removeMin(): T | undefined { this._ensureSorted(); return this._items.shift(); } + toSortedArray(): T[] { this._ensureSorted(); return [...this._items]; } + + private _ensureSorted(): void { + if (this._sorted) { return; } + this._items.sort(this._compare); + this._sorted = true; + } +} diff --git a/src/vs/base/test/common/virtualScheduling/virtualScheduling.test.ts b/src/vs/base/test/common/virtualScheduling/virtualScheduling.test.ts new file mode 100644 index 00000000000000..a2b721cca5f891 --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/virtualScheduling.test.ts @@ -0,0 +1,357 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import assert from 'assert'; +import { CancellationTokenSource } from '../../../common/cancellation.js'; +import { DisposableStore } from '../../../common/lifecycle.js'; +import { ensureNoDisposablesAreLeakedInTestSuite } from '../utils.js'; +import { + createTraceRoot, + createVirtualTimeApi, + drainMicrotasksEmbedding, + nextMacrotask, + pushGlobalTimeApi, + realTimeApi, + runWithFakedTimers, + Trace, + TraceContext, + untilIdle, + untilTime, + untilToken, + VirtualClock, + VirtualTimeProcessor, +} from './index.js'; + +function traceInfo(t: Trace): { labels: string[]; rootLabel: string; depth: number } { + const labels: string[] = []; + for (let c: Trace | undefined = t; c; c = c.parent) { labels.push(c.label); } + return { labels, rootLabel: t.root.label, depth: t.depth }; +} + +function deferred(): { promise: Promise; resolve: (v: T) => void } { + let resolve!: (v: T) => void; + const promise = new Promise(res => { resolve = res; }); + return { promise, resolve }; +} + +const realSink = { afterMicrotaskClosure: (cb: () => void) => nextMacrotask(realTimeApi, cb) }; + +suite('virtualScheduling - Trace + TraceContext', () => { + ensureNoDisposablesAreLeakedInTestSuite(); + teardown(() => TraceContext.instance._resetForTesting()); + + test('Trace.describe builds causal chain from leaf to root', () => { + const root = createTraceRoot('fixture'); + const t1 = root.child('setTimeout(100ms)'); + const t2 = t1.child('await continuation'); + assert.deepStrictEqual(traceInfo(t2), { + labels: ['await continuation', 'setTimeout(100ms)', 'fixture'], + rootLabel: 'fixture', + depth: 2, + }); + }); + + test('runWithTrace installs and restores synchronously; supports nesting', () => { + const a = createTraceRoot('a'); + const b = createTraceRoot('b'); + const observations: string[] = []; + observations.push(TraceContext.instance.currentTrace().label); + TraceContext.instance.runWithTrace(a, () => { + observations.push(TraceContext.instance.currentTrace().label); + TraceContext.instance.runWithTrace(b, () => { + observations.push(TraceContext.instance.currentTrace().label); + }); + observations.push(TraceContext.instance.currentTrace().label); + }); + observations.push(TraceContext.instance.currentTrace().label); + assert.deepStrictEqual(observations, ['', 'a', 'b', 'a', '']); + }); + + test('runAsHandler throws on sync re-entry', () => { + const a = createTraceRoot('a'); + const b = createTraceRoot('b'); + assert.throws( + () => TraceContext.instance.runAsHandler(a, + () => TraceContext.instance.runAsHandler(b, () => { }, realSink), + realSink), + /re-entrant/, + ); + }); + + test('runAsHandler leaks trace across awaited microtasks', async () => { + const root = createTraceRoot('fixture'); + const observed: string[] = []; + + await TraceContext.instance.runAsHandler(root, async () => { + observed.push(TraceContext.instance.currentTrace().label); + await Promise.resolve(); + observed.push(TraceContext.instance.currentTrace().label); + await Promise.resolve().then(() => Promise.resolve()); + observed.push(TraceContext.instance.currentTrace().label); + }, realSink); + + assert.deepStrictEqual(observed, ['fixture', 'fixture', 'fixture']); + }); +}); + +suite('virtualScheduling - createVirtualTimeApi trace propagation', () => { + ensureNoDisposablesAreLeakedInTestSuite(); + teardown(() => TraceContext.instance._resetForTesting()); + + test('virtual setTimeout: callback fires under trace child of schedule-time trace', async () => { + await runWithFakedTimers({}, async () => { + const root = createTraceRoot('root'); + const { promise, resolve } = deferred(); + TraceContext.instance.runAsHandler(root, () => { + setTimeout(() => resolve(TraceContext.instance.currentTrace()), 0); + }, realSink); + const observed = await promise; + assert.deepStrictEqual(traceInfo(observed), { + labels: ['setTimeout(0ms)', 'root'], + rootLabel: 'root', + depth: 1, + }); + }); + }); + + test('virtual nested setTimeout preserves full causal chain', async () => { + await runWithFakedTimers({}, async () => { + const root = createTraceRoot('root'); + const { promise, resolve } = deferred(); + TraceContext.instance.runAsHandler(root, () => { + setTimeout(() => { + setTimeout(() => resolve(TraceContext.instance.currentTrace()), 0); + }, 0); + }, realSink); + const observed = await promise; + assert.deepStrictEqual(traceInfo(observed), { + labels: ['setTimeout(0ms)', 'setTimeout(0ms)', 'root'], + rootLabel: 'root', + depth: 2, + }); + }); + }); + + test('virtual setInterval: each tick gets a fresh child trace', async () => { + await runWithFakedTimers({}, async () => { + const root = createTraceRoot('root'); + const observed: Trace[] = []; + const { promise, resolve } = deferred(); + TraceContext.instance.runAsHandler(root, () => { + const id = setInterval(() => { + observed.push(TraceContext.instance.currentTrace()); + if (observed.length === 3) { clearInterval(id); resolve(); } + }, 5); + }, realSink); + await promise; + assert.deepStrictEqual(observed.map(traceInfo), [ + { labels: ['tick #1', 'setInterval(5ms)', 'root'], rootLabel: 'root', depth: 2 }, + { labels: ['tick #2', 'setInterval(5ms)', 'root'], rootLabel: 'root', depth: 2 }, + { labels: ['tick #3', 'setInterval(5ms)', 'root'], rootLabel: 'root', depth: 2 }, + ]); + }); + }); + + test('concurrent runAsHandler via setTimeout(0): traces do not leak across handlers', async () => { + await runWithFakedTimers({}, async () => { + const a = createTraceRoot('a'); + const b = createTraceRoot('b'); + const { promise: doneA, resolve: resA } = deferred(); + const { promise: doneB, resolve: resB } = deferred(); + TraceContext.instance.runAsHandler(a, () => { + setTimeout(() => resA(TraceContext.instance.currentTrace()), 0); + }, realSink); + TraceContext.instance.runAsHandler(b, () => { + setTimeout(() => resB(TraceContext.instance.currentTrace()), 0); + }, realSink); + const [tA, tB] = await Promise.all([doneA, doneB]); + assert.deepStrictEqual({ + aRoot: tA.root.label, + aLabels: traceInfo(tA).labels, + bRoot: tB.root.label, + bLabels: traceInfo(tB).labels, + }, { + aRoot: 'a', + aLabels: ['setTimeout(0ms)', 'a'], + bRoot: 'b', + bLabels: ['setTimeout(0ms)', 'b'], + }); + }); + }); +}); + +suite('virtualScheduling - VirtualTimeProcessor termination policies', () => { + ensureNoDisposablesAreLeakedInTestSuite(); + teardown(() => TraceContext.instance._resetForTesting()); + + function makeProcessor(store: DisposableStore, clock: VirtualClock): VirtualTimeProcessor { + return store.add(new VirtualTimeProcessor( + clock, + drainMicrotasksEmbedding(realTimeApi), + realTimeApi, + { defaultMaxEvents: 50 }, + )); + } + + test('untilIdle: resolves when queue drains', async () => { + const store = new DisposableStore(); + const clock = new VirtualClock(); + const p = makeProcessor(store, clock); + const log: string[] = []; + + clock.schedule({ time: 5, source: { toString: () => 't1' }, run: () => log.push('a') }); + clock.schedule({ time: 10, source: { toString: () => 't2' }, run: () => log.push('b') }); + + await p.run({ until: untilIdle }); + assert.deepStrictEqual(log, ['a', 'b']); + store.dispose(); + }); + + test('untilTime: resolves at deadline even when no events scheduled', async () => { + // The deadline alone — with no other events queued — must still drive + // virtual time to the deadline. The processor inserts a sentinel + // event at the deadline to guarantee this. + const store = new DisposableStore(); + const clock = new VirtualClock(); + const p = makeProcessor(store, clock); + + await p.run({ until: untilTime(100) }); + assert.strictEqual(clock.now, 100); + store.dispose(); + }); + + test('untilTime: pre-scheduled events run before deadline', async () => { + const store = new DisposableStore(); + const clock = new VirtualClock(); + const p = makeProcessor(store, clock); + const log: string[] = []; + + clock.schedule({ time: 50, source: { toString: () => 't' }, run: () => log.push('a') }); + + await p.run({ until: untilTime(100) }); + assert.deepStrictEqual({ log, virtualNow: clock.now }, { log: ['a'], virtualNow: 100 }); + store.dispose(); + }); + + test('untilTime: events strictly past the deadline are NOT executed', async () => { + const store = new DisposableStore(); + const clock = new VirtualClock(); + const p = makeProcessor(store, clock); + const log: string[] = []; + + clock.schedule({ time: 50, source: { toString: () => 'a' }, run: () => log.push('a') }); + clock.schedule({ time: 100, source: { toString: () => 'b' }, run: () => log.push('b') }); + clock.schedule({ time: 101, source: { toString: () => 'c' }, run: () => log.push('c') }); + + await p.run({ until: untilTime(100) }); + assert.deepStrictEqual(log, ['a', 'b']); + store.dispose(); + }); + + test('untilToken: resolves only after token cancellation AND drain', async () => { + const store = new DisposableStore(); + const clock = new VirtualClock(); + const p = makeProcessor(store, clock); + const cts = store.add(new CancellationTokenSource()); + const log: string[] = []; + + const runP = p.run({ until: untilToken(cts.token) }); + + // While run is parked (no events), schedule + cancel. + await Promise.resolve(); + clock.schedule({ time: 5, source: { toString: () => 't' }, run: () => log.push('a') }); + cts.cancel(); + + await runP; + assert.deepStrictEqual(log, ['a']); + store.dispose(); + }); + + test('maxEvents: rejects when too many events are executed', async () => { + const store = new DisposableStore(); + const clock = new VirtualClock(); + const p = makeProcessor(store, clock); + + // Self-rescheduling timer + const tick = (n: number) => { + clock.schedule({ + time: clock.now + 1, + source: { toString: () => `t${n}` }, + run: () => tick(n + 1), + }); + }; + tick(0); + + await assert.rejects( + p.run({ until: untilIdle, maxEvents: 5 }), + /exceeded maxEvents/, + ); + store.dispose(); + }); + + test('disposal rejects all active runs', async () => { + const store = new DisposableStore(); + const clock = new VirtualClock(); + const p = makeProcessor(store, clock); + const cts = store.add(new CancellationTokenSource()); + + const runP = p.run({ until: untilToken(cts.token) }); + p.dispose(); + + await assert.rejects(runP, /disposed/); + store.dispose(); + }); +}); + +suite('virtualScheduling - runWithFakedTimers', () => { + ensureNoDisposablesAreLeakedInTestSuite(); + teardown(() => TraceContext.instance._resetForTesting()); + + test('drains queue after fn() resolves', async () => { + const log: string[] = []; + await runWithFakedTimers({}, async () => { + setTimeout(() => log.push('a'), 100); + setTimeout(() => log.push('b'), 50); + }); + assert.deepStrictEqual(log, ['b', 'a']); + }); + + test('useFakeTimers=false bypasses virtual time', async () => { + const before = globalThis.setTimeout; + await runWithFakedTimers({ useFakeTimers: false }, async () => { + assert.strictEqual(globalThis.setTimeout, before); + }); + }); + + test('promise chains awaited inside fn() resolve deterministically', async () => { + const log: string[] = []; + await runWithFakedTimers({}, async () => { + await new Promise(resolve => { + setTimeout(async () => { + log.push('1'); + await Promise.resolve(); + log.push('2'); + setTimeout(() => { log.push('3'); resolve(); }, 10); + }, 5); + }); + }); + assert.deepStrictEqual(log, ['1', '2', '3']); + }); +}); + +suite('virtualScheduling - createVirtualTimeApi without processor', () => { + ensureNoDisposablesAreLeakedInTestSuite(); + + test('virtual Date.now() returns clock time', () => { + const clock = new VirtualClock(12345); + const api = createVirtualTimeApi(clock); + const restore = pushGlobalTimeApi(api); + try { + assert.strictEqual(Date.now(), 12345); + } finally { + restore.dispose(); + } + }); +}); diff --git a/src/vs/base/test/common/virtualScheduling/virtualTimeApi.ts b/src/vs/base/test/common/virtualScheduling/virtualTimeApi.ts new file mode 100644 index 00000000000000..454b973845d942 --- /dev/null +++ b/src/vs/base/test/common/virtualScheduling/virtualTimeApi.ts @@ -0,0 +1,186 @@ +/*--------------------------------------------------------------------------------------------- + * Copyright (c) Microsoft Corporation. All rights reserved. + * Licensed under the MIT License. See License.txt in the project root for license information. + *--------------------------------------------------------------------------------------------*/ + +import { IDisposable } from '../../../common/lifecycle.js'; +import { realTimeApi, TimeApi } from './timeApi.js'; +import { ROOT_TRACE, TraceContext } from './trace.js'; +import { VirtualClock } from './virtualClock.js'; + +/** Virtual timer IDs are `IDisposable`s. Recover one from an opaque id. */ +function asDisposable(id: unknown): IDisposable | undefined { + if (id === null || typeof id !== 'object') { return undefined; } + const maybe = id as Partial; + return typeof maybe.dispose === 'function' ? id as IDisposable : undefined; +} + +export interface CreateVirtualTimeApiOptions { + /** + * If `true`, `requestAnimationFrame` is faked: callbacks are scheduled + * onto the virtual queue at `now + 16ms` and the resulting event hints + * the embedding to use a real `requestAnimationFrame` so the host can + * reflow before the callback runs. Useful for fixtures that need DOM + * measurements after rAF callbacks. + * + * If `false` (default), `requestAnimationFrame` is left to the host. + */ + readonly fakeRequestAnimationFrame?: boolean; +} + +/** + * Build a {@link TimeApi} that schedules every timer call into `clock`'s + * virtual queue, capturing the current trace at schedule time so that + * causal chains (`setTimeout` → `setTimeout`, etc.) are preserved. + * + * The returned API is suitable to install with {@link pushGlobalTimeApi}, + * which is what {@link runWithFakedTimers} does internally. + */ +export function createVirtualTimeApi( + clock: VirtualClock, + options?: CreateVirtualTimeApiOptions, +): TimeApi { + + function virtualSetTimeout(handler: () => void, timeout: number = 0): IDisposable { + const stack = new Error().stack; + const trace = TraceContext.instance.currentTrace().child(`setTimeout(${timeout}ms)`, stack); + return clock.schedule({ + time: clock.now + timeout, + run: () => { handler(); }, + source: { toString: () => 'setTimeout', stackTrace: stack }, + trace, + }); + } + + function virtualClearTimeout(id: unknown): void { + asDisposable(id)?.dispose(); + } + + function virtualSetInterval(handler: () => void, interval: number): IDisposable { + const stack = new Error().stack; + const baseTrace = TraceContext.instance.currentTrace().child(`setInterval(${interval}ms)`, stack); + let iter = 0; + let disposed = false; + let lastDisposable: IDisposable; + + const arm = (): void => { + iter++; + const myIter = iter; + lastDisposable = clock.schedule({ + time: clock.now + interval, + run: () => { + if (disposed) { return; } + arm(); // schedule the next tick first, so a throwing + handler(); // handler doesn't kill the interval + }, + source: { toString: () => `setInterval (iteration ${myIter})`, stackTrace: stack }, + trace: baseTrace.child(`tick #${myIter}`), + }); + }; + + arm(); + return { + dispose: () => { + if (disposed) { return; } + disposed = true; + lastDisposable.dispose(); + }, + }; + } + + function virtualClearInterval(id: unknown): void { + asDisposable(id)?.dispose(); + } + + // A faux `Date` that returns virtual time from `now()` and uses virtual + // time as the default constructor argument; everything else delegates. + // The `Date` constructor is an exotic object whose call/construct + // signatures aren't expressible without a structural mismatch — we go + // through `unknown` for the tagging mutations rather than widening to + // `any`. + const OriginalDate = realTimeApi.Date; + // `Date` is overloaded (zero-arg, one-arg, multi-arg). `ConstructorParameters` + // only sees the last overload, so we type args as `unknown[]` and forward + // them through a typed cast at the call site. + function VirtualDate(this: unknown, ...args: unknown[]): unknown { + if (!(this instanceof VirtualDate)) { + return new OriginalDate(clock.now).toString(); + } + if (args.length === 0) { + return new OriginalDate(clock.now); + } + return new (OriginalDate as new (...a: unknown[]) => Date)(...args); + } + // Static-property tagging. Use a typed `Record` view of the function + // rather than `any`. We skip non-writable own properties (`length`, + // `name` on a function would throw) and then explicitly set the few + // statics callers reach for. + const dateStatics = VirtualDate as unknown as Record; + const originalStatics = OriginalDate as unknown as Record; + for (const key of Object.getOwnPropertyNames(OriginalDate)) { + const desc = Object.getOwnPropertyDescriptor(OriginalDate, key); + if (desc && (desc.writable || desc.set)) { + dateStatics[key] = originalStatics[key]; + } + } + dateStatics.now = () => clock.now; + dateStatics.parse = OriginalDate.parse; + dateStatics.UTC = OriginalDate.UTC; + VirtualDate.prototype = OriginalDate.prototype; + + const api: TimeApi = { + setTimeout: virtualSetTimeout as unknown as TimeApi['setTimeout'], + clearTimeout: virtualClearTimeout, + setInterval: virtualSetInterval as unknown as TimeApi['setInterval'], + clearInterval: virtualClearInterval, + Date: VirtualDate as unknown as DateConstructor, + }; + + // Expose the real setTimeout as `originalFn` on the virtual one. The + // component-explorer host's polling loop reads this to escape virtual + // time when waiting for renders to settle. + (api.setTimeout as unknown as { originalFn: TimeApi['setTimeout'] }).originalFn = realTimeApi.setTimeout; + + if (options?.fakeRequestAnimationFrame) { + let rafIdCounter = 0; + const rafDisposables = new Map(); + + api.requestAnimationFrame = ((callback: (time: number) => void) => { + const id = ++rafIdCounter; + const stack = new Error().stack; + const trace = TraceContext.instance.currentTrace().child('requestAnimationFrame', stack); + const d = clock.schedule({ + time: clock.now + 16, + preferRealAnimationFrame: true, + run: () => { + rafDisposables.delete(id); + callback(clock.now); + }, + source: { toString: () => 'requestAnimationFrame', stackTrace: stack }, + trace, + }); + rafDisposables.set(id, d); + return id; + }) as TimeApi['requestAnimationFrame']; + + api.cancelAnimationFrame = ((id: number) => { + const d = rafDisposables.get(id); + if (d) { + d.dispose(); + rafDisposables.delete(id); + } + }) as TimeApi['cancelAnimationFrame']; + } + + // Trace defaults: ensure handlers fired inside virtual time get the + // current trace at *schedule* time, not at fire time. The processor + // already wraps execution in `runAsHandler`, so when virtual events + // fire inside the processor the trace is set correctly. This block is + // just a safety net for callers that step the clock manually. + void ROOT_TRACE; + + return api; +} + +// Re-exported for convenience: many tests want to install both at once. +export { pushGlobalTimeApi } from './globalTimeApi.js'; diff --git a/src/vs/workbench/test/browser/componentFixtures/chat/chatFixtureUtils.ts b/src/vs/workbench/test/browser/componentFixtures/chat/chatFixtureUtils.ts index d8a488939d31bc..cec1f50ae4bb75 100644 --- a/src/vs/workbench/test/browser/componentFixtures/chat/chatFixtureUtils.ts +++ b/src/vs/workbench/test/browser/componentFixtures/chat/chatFixtureUtils.ts @@ -53,6 +53,7 @@ import { MockChatService } from '../../../../contrib/chat/test/common/chatServic import { ILanguageModelToolsService } from '../../../../contrib/chat/common/tools/languageModelToolsService.js'; import { IArtifactSourceGroup, IChatArtifacts, IChatArtifactsService } from '../../../../contrib/chat/common/tools/chatArtifactsService.js'; import { IChatTodo, IChatTodoListService } from '../../../../contrib/chat/common/tools/chatTodoListService.js'; +import { IChatToolRiskAssessmentService } from '../../../../contrib/chat/browser/tools/chatToolRiskAssessmentService.js'; import { ServiceRegistration, registerWorkbenchServices } from '../fixtureUtils.js'; /** @@ -177,6 +178,11 @@ export function registerChatFixtureServices(reg: ServiceRegistration, options: I reg.defineInstance(IChatModeService, new MockChatModeService()); reg.defineInstance(ILanguageModelsService, new class extends mock() { override onDidChangeLanguageModels = Event.None; override getLanguageModelIds() { return []; } }()); reg.defineInstance(ILanguageModelToolsService, new class extends mock() { override onDidChangeTools = Event.None; override onDidPrepareToolCallBecomeUnresponsive = Event.None; override getTools() { return []; } }()); + reg.defineInstance(IChatToolRiskAssessmentService, new class extends mock() { + override isEnabled() { return false; } + override getCached() { return undefined; } + override async assess() { return undefined; } + }()); reg.defineInstance(IChatContextService, new class extends mock() { }()); reg.defineInstance(IChatContextPickService, new class extends mock() { }()); reg.defineInstance(IChatAttachmentWidgetRegistry, new class extends mock() { }()); diff --git a/src/vs/workbench/test/browser/componentFixtures/chat/chatWidget.fixture.ts b/src/vs/workbench/test/browser/componentFixtures/chat/chatWidget.fixture.ts index 3c8f4937e1695a..8a1200ae8f5543 100644 --- a/src/vs/workbench/test/browser/componentFixtures/chat/chatWidget.fixture.ts +++ b/src/vs/workbench/test/browser/componentFixtures/chat/chatWidget.fixture.ts @@ -42,7 +42,6 @@ interface IFixtureMessage { interface IChatWidgetFixtureOptions { readonly messages: ReadonlyArray; - readonly withInput?: boolean; } function makeUserMessage(text: string) { @@ -161,33 +160,32 @@ async function renderChatWidget(context: ComponentFixtureContext, options: IChat // Build the input part FIRST so the widget (with its inputPart) is registered // in IChatWidgetService before the list widget renders. The renderer queries // the service synchronously when routing tool confirmations to the carousel. - let inputPart: ChatInputPart | undefined; - if (options.withInput) { - const menuService = instantiationService.get(IMenuService) as FixtureMenuService; - menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.attachContext', title: '+', icon: Codicon.add }, group: 'navigation', order: -1 }); - menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.openModePicker', title: 'Agent' }, group: 'navigation', order: 1 }); - menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.openModelPicker', title: 'GPT-5.3-Codex' }, group: 'navigation', order: 3 }); - menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.configureTools', title: '', icon: Codicon.settingsGear }, group: 'navigation', order: 100 }); - menuService.addItem(MenuId.ChatExecute, { command: { id: 'workbench.action.chat.submit', title: 'Send', icon: Codicon.arrowUp }, group: 'navigation', order: 4 }); - menuService.addItem(MenuId.ChatInputSecondary, { command: { id: 'workbench.action.chat.openSessionTargetPicker', title: 'Local' }, group: 'navigation', order: 0 }); - menuService.addItem(MenuId.ChatInputSecondary, { command: { id: 'workbench.action.chat.openPermissionPicker', title: 'Default Approvals' }, group: 'navigation', order: 10 }); + // In production a chat widget always has an inputPart, so the fixture creates + // one unconditionally; `withInput` only controls whether it is rendered in DOM. + const menuService = instantiationService.get(IMenuService) as FixtureMenuService; + menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.attachContext', title: '+', icon: Codicon.add }, group: 'navigation', order: -1 }); + menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.openModePicker', title: 'Agent' }, group: 'navigation', order: 1 }); + menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.openModelPicker', title: 'GPT-5.3-Codex' }, group: 'navigation', order: 3 }); + menuService.addItem(MenuId.ChatInput, { command: { id: 'workbench.action.chat.configureTools', title: '', icon: Codicon.settingsGear }, group: 'navigation', order: 100 }); + menuService.addItem(MenuId.ChatExecute, { command: { id: 'workbench.action.chat.submit', title: 'Send', icon: Codicon.arrowUp }, group: 'navigation', order: 4 }); + menuService.addItem(MenuId.ChatInputSecondary, { command: { id: 'workbench.action.chat.openSessionTargetPicker', title: 'Local' }, group: 'navigation', order: 0 }); + menuService.addItem(MenuId.ChatInputSecondary, { command: { id: 'workbench.action.chat.openPermissionPicker', title: 'Default Approvals' }, group: 'navigation', order: 10 }); - const inputOptions: IChatInputPartOptions = { - renderFollowups: false, - renderInputToolbarBelowInput: false, - renderWorkingSet: false, - menus: { executeToolbar: MenuId.ChatExecute, telemetrySource: 'fixture' }, - widgetViewKindTag: 'view', - inputEditorMinLines: 2, - }; - const inputStyles: IChatInputStyles = { - overlayBackground: 'var(--vscode-editor-background)', - listForeground: 'var(--vscode-foreground)', - listBackground: 'var(--vscode-editor-background)', - }; + const inputOptions: IChatInputPartOptions = { + renderFollowups: false, + renderInputToolbarBelowInput: false, + renderWorkingSet: false, + menus: { executeToolbar: MenuId.ChatExecute, telemetrySource: 'fixture' }, + widgetViewKindTag: 'view', + inputEditorMinLines: 2, + }; + const inputStyles: IChatInputStyles = { + overlayBackground: 'var(--vscode-editor-background)', + listForeground: 'var(--vscode-foreground)', + listBackground: 'var(--vscode-editor-background)', + }; - inputPart = disposableStore.add(instantiationService.createInstance(ChatInputPart, ChatAgentLocation.Chat, inputOptions, inputStyles, false)); - } + const inputPart = disposableStore.add(instantiationService.createInstance(ChatInputPart, ChatAgentLocation.Chat, inputOptions, inputStyles, false)); const fixtureWidget = new class extends mock() { override readonly onDidChangeViewModel = new Emitter().event; @@ -195,16 +193,14 @@ async function renderChatWidget(context: ComponentFixtureContext, options: IChat override readonly contribs = []; override readonly location = ChatAgentLocation.Chat; override readonly viewContext = {}; - override readonly inputPart = inputPart!; + override readonly inputPart = inputPart; }(); widgetHolder.current = fixtureWidget; - if (inputPart) { - inputPart.render(session, '', fixtureWidget); - inputPart.layout(720); - await new Promise(r => setTimeout(r, 50)); - inputPart.layout(720); - } + inputPart.render(session, '', fixtureWidget); + inputPart.layout(720); + await new Promise(r => setTimeout(r, 50)); + inputPart.layout(720); const listContainer = dom.$('.interactive-list'); listContainer.style.flex = '1 1 auto'; @@ -234,7 +230,7 @@ async function renderChatWidget(context: ComponentFixtureContext, options: IChat listWidget.setVisible(true); listWidget.refresh(); - const listHeight = options.withInput ? 420 : 600; + const listHeight = 420; listWidget.layout(listHeight, 720); // Allow the renderer to flush its async progressive rendering pass. @@ -297,7 +293,5 @@ export default defineThemedFixtureGroup({ path: 'chat/widget/' }, { SimpleQA: defineComponentFixture({ render: ctx => renderChatWidget(ctx, { messages: SIMPLE_QA }) }), Streaming: defineComponentFixture({ labels: { kind: 'animated' }, render: ctx => renderChatWidget(ctx, { messages: STREAMING }) }), PendingToolApproval: defineComponentFixture({ render: ctx => renderChatWidget(ctx, { messages: PENDING_TOOL_APPROVAL }) }), - PendingToolApprovalWithInput: defineComponentFixture({ render: ctx => renderChatWidget(ctx, { messages: PENDING_TOOL_APPROVAL, withInput: true }) }), MultiTurn: defineComponentFixture({ render: ctx => renderChatWidget(ctx, { messages: MULTI_TURN }) }), - WithInput: defineComponentFixture({ render: ctx => renderChatWidget(ctx, { messages: MULTI_TURN, withInput: true }) }), }); diff --git a/src/vs/workbench/test/browser/componentFixtures/editor/codeEditor.fixture.ts b/src/vs/workbench/test/browser/componentFixtures/editor/codeEditor.fixture.ts index af02594a3af1ea..a5aff4c10fda32 100644 --- a/src/vs/workbench/test/browser/componentFixtures/editor/codeEditor.fixture.ts +++ b/src/vs/workbench/test/browser/componentFixtures/editor/codeEditor.fixture.ts @@ -54,7 +54,7 @@ function renderCodeEditor({ container, disposableStore, theme }: ComponentFixtur container, { automaticLayout: true, - minimap: { enabled: true }, + minimap: { enabled: false }, lineNumbers: 'on', scrollBeyondLastLine: false, fontSize: 14, diff --git a/src/vs/workbench/test/browser/componentFixtures/fixtureUtils.ts b/src/vs/workbench/test/browser/componentFixtures/fixtureUtils.ts index ece0d2e496f320..27135d0a7666d9 100644 --- a/src/vs/workbench/test/browser/componentFixtures/fixtureUtils.ts +++ b/src/vs/workbench/test/browser/componentFixtures/fixtureUtils.ts @@ -6,7 +6,7 @@ // This should be the only place that is allowed to import from @vscode/component-explorer // eslint-disable-next-line local/code-import-patterns import { defineFixture, defineFixtureGroup, defineFixtureVariants } from '@vscode/component-explorer'; -import { DisposableStore, DisposableTracker, setDisposableTracker, toDisposable } from '../../../../base/common/lifecycle.js'; +import { DisposableStore, DisposableTracker, IDisposable, IReference, setDisposableTracker, toDisposable } from '../../../../base/common/lifecycle.js'; import { URI } from '../../../../base/common/uri.js'; // eslint-disable-next-line local/code-import-patterns import '../../../../../../build/vite/style.css'; @@ -92,7 +92,7 @@ import { IActionWidgetService } from '../../../../platform/actionWidget/browser/ import { IAnyWorkspaceIdentifier } from '../../../../platform/workspace/common/workspace.js'; import { TestMenuService } from '../workbenchTestServices.js'; import { IAccessibilitySignalService } from '../../../../platform/accessibilitySignal/browser/accessibilitySignalService.js'; -import { ITextModelService } from '../../../../editor/common/services/resolverService.js'; +import { IResolvedTextEditorModel, ITextModelService } from '../../../../editor/common/services/resolverService.js'; // eslint-disable-next-line local/code-import-patterns import { IAgentFeedbackService } from '../../../../sessions/contrib/agentFeedback/browser/agentFeedbackService.js'; import { IChatEditingService } from '../../../contrib/chat/common/editing/chatEditingService.js'; @@ -109,7 +109,20 @@ import './fixtures.css'; // Import color registrations to ensure colors are available import { IdleDeadline, installFakeRunWhenIdle } from '../../../../base/common/async.js'; -import { AsyncSchedulerProcessor, TimeTravelScheduler, captureGlobalTimeApi, createLoggingTimeApi, createVirtualTimeApi, pushGlobalTimeApi } from '../../../../base/test/common/timeTravelScheduler.js'; +import { buildHistoryFromTasks, renderSwimlanes } from '../../../../base/test/common/executionGraph.js'; +import { + captureGlobalTimeApi, + createLoggingTimeApi, + createTraceRoot, + createVirtualTimeApi, + drainMicrotasksEmbedding, + nextMacrotask, + pushGlobalTimeApi, + TraceContext, + untilTime, + VirtualClock, + VirtualTimeProcessor, +} from '../../../../base/test/common/virtualScheduling/index.js'; import '../../../../platform/theme/common/colors/baseColors.js'; import '../../../../platform/theme/common/colors/editorColors.js'; import '../../../../platform/theme/common/colors/listColors.js'; @@ -243,7 +256,6 @@ import dark_vs from '../../../../../../extensions/theme-defaults/themes/dark_vs. import light_modern from '../../../../../../extensions/theme-defaults/themes/light_modern.json' with { type: 'json' }; import light_plus from '../../../../../../extensions/theme-defaults/themes/light_plus.json' with { type: 'json' }; import light_vs from '../../../../../../extensions/theme-defaults/themes/light_vs.json' with { type: 'json' }; -import { createTraceRoot, TraceContext } from '../../../../base/test/common/traceableTimeApi.js'; /* eslint-enable local/code-import-patterns */ const themeJsonModules: Record = { @@ -413,6 +425,56 @@ export interface CreateServicesOptions { additionalServices?: (registration: ServiceRegistration) => void; } +/** + * `ILogService` for fixtures that forwards `warn`, `error`, and `critical` + * to the browser console so that errors logged during render (e.g. from + * `try/catch` blocks that swallow errors into the log) become visible in + * the component-explorer console panel. + */ +export class FixtureLogService extends NullLogService { + override warn(message: string, ...args: unknown[]): void { + console.warn(message, ...args); + } + override error(message: string | Error, ...args: unknown[]): void { + console.error(message, ...args); + } + override critical(message: string | Error, ...args: unknown[]): void { + console.error(message, ...args); + } +} + +/** + * `ITextModelService` for fixtures that resolves URIs against `IModelService`. + * Models created via `createTextModel` (which uses `IModelService.createModel`) + * are automatically resolvable. URIs without a backing model fail loudly so + * that callers don't silently receive a null `textEditorModel`. + */ +export class FixtureTextModelService extends mock() { + constructor(@IModelService private readonly _modelService: IModelService) { + super(); + } + + override async createModelReference(resource: URI): Promise> { + const model = this._modelService.getModel(resource); + if (!model) { + throw new Error(`FixtureTextModelService: no model registered for ${resource.toString()}`); + } + return { + // eslint-disable-next-line local/code-no-dangerous-type-assertions + object: { textEditorModel: model } as IResolvedTextEditorModel, + dispose() { }, + }; + } + + override registerTextModelContentProvider(): IDisposable { + return { dispose() { } }; + } + + override canHandleResource(): boolean { + return false; + } +} + /** * Creates a TestInstantiationService with all services needed for CodeEditorWidget. * Additional services can be registered via the options callback. @@ -460,7 +522,7 @@ export function createEditorServices(disposables: DisposableStore, options?: Cre } else { define(IThemeService, TestThemeService); } - define(ILogService, NullLogService); + define(ILogService, FixtureLogService); define(IModelService, ModelService); define(ICodeEditorService, TestCodeEditorService); define(IContextKeyService, MockContextKeyService); @@ -533,13 +595,7 @@ export function createEditorServices(disposables: DisposableStore, options?: Cre onSoundEnabledChanged: () => Event.None, }); - definePartialInstance(ITextModelService, { - _serviceBrand: undefined, - registerTextModelContentProvider: () => ({ dispose: () => { } }), - canHandleResource: () => false, - // eslint-disable-next-line local/code-no-any-casts, @typescript-eslint/no-explicit-any - createModelReference: async () => ({ object: { textEditorModel: null }, dispose() { } } as any), - }); + define(ITextModelService, FixtureTextModelService); defineInstance(IAgentFeedbackService, { _serviceBrand: undefined, @@ -789,15 +845,17 @@ export function defineComponentFixture(options: ComponentFixtureOptions): Themed async function actualRender() { const schedulerStore = disposableStore.add(new DisposableStore()); - const scheduler = new TimeTravelScheduler(Date.now()); - const p = schedulerStore.add(new AsyncSchedulerProcessor(scheduler, { - maxTaskCount: 100, + const clock = new VirtualClock(Date.now()); + const p = schedulerStore.add(new VirtualTimeProcessor( + clock, + drainMicrotasksEmbedding(realTimeApi), realTimeApi, - })); + { defaultMaxEvents: 100 }, + )); await setupTheme(container, theme); - const virtualTimeApi = createVirtualTimeApi(scheduler, { fakeRequestAnimationFrame: true }); + const virtualTimeApi = createVirtualTimeApi(clock, { fakeRequestAnimationFrame: true }); if (virtualTimeEnabled) { schedulerStore.add(pushGlobalTimeApi(virtualTimeApi)); @@ -805,8 +863,8 @@ export function defineComponentFixture(options: ComponentFixtureOptions): Themed disposableStore.add(installFakeRunWhenIdle((_targetWindow, callback, _timeout?) => { const stackTrace = new Error().stack; const trace = TraceContext.instance.currentTrace().child('runWhenIdle', stackTrace); - return scheduler.schedule({ - time: scheduler.now, + return clock.schedule({ + time: clock.now, run: () => { const deadline: IdleDeadline = { didTimeout: true, @@ -827,29 +885,27 @@ export function defineComponentFixture(options: ComponentFixtureOptions): Themed const result = options.render({ container, disposableStore, theme }); const p2 = virtualTimeEnabled - ? p.run({ virtualDeadline: scheduler.now + (options.virtualTime?.durationMs ?? 1000), maxTasks: 100, maxTaskDepth: 5 }) + ? p.run({ + until: untilTime(clock.now + (options.virtualTime?.durationMs ?? 1000)), + maxEvents: 200, + maxTraceDepth: 5, + }) : Promise.resolve(); await Promise.all([ result instanceof Promise ? result : Promise.resolve(), p2, ]); - } finally { + } catch (e) { if (virtualTimeEnabled && p.history.length > 0) { - // TODO - // const startTime = p.history[0].time; - // const history = buildHistoryFromTasks(p.history, startTime); - // console.log(`[ComponentFixture] ${themeLabel} virtual-time history (${p.history.length} tasks):\n${renderSwimlanes(history)}`); + const startTime = p.history[0].time; + const history = buildHistoryFromTasks(p.history, startTime); + console.error(`[ComponentFixture] ${theme === darkTheme ? 'Dark' : 'Light'} virtual-time history (${p.history.length} tasks):\n${renderSwimlanes(history)}`); } + throw e; + } finally { schedulerStore.dispose(); } - - const drain = false; - if (drain) { - disposableStore.add(toDisposable(() => { - p.run({ maxTasks: 100, maxTaskDepth: 5 }); - })); - } } // Every render gets its own trace root so that any diagnostics @@ -859,7 +915,10 @@ export function defineComponentFixture(options: ComponentFixtureOptions): Themed const themeLabel = theme === darkTheme ? 'Dark' : 'Light'; const fixtureRoot = createTraceRoot(`render#${++fixtureRenderCounter}(${themeLabel})`); - await TraceContext.instance.runAsHandler(fixtureRoot, actualRender, realTimeApi); + await TraceContext.instance.runAsHandler(fixtureRoot, actualRender, { + // Trace-reset escapes virtual time so it actually fires. + afterMicrotaskClosure: cb => nextMacrotask(realTimeApi, cb), + }); }, }); diff --git a/src/vs/workbench/test/browser/componentFixtures/sessions/agentSessionsViewer.fixture.ts b/src/vs/workbench/test/browser/componentFixtures/sessions/agentSessionsViewer.fixture.ts index d2d0511b29b311..1c06a3540bc7de 100644 --- a/src/vs/workbench/test/browser/componentFixtures/sessions/agentSessionsViewer.fixture.ts +++ b/src/vs/workbench/test/browser/componentFixtures/sessions/agentSessionsViewer.fixture.ts @@ -165,306 +165,370 @@ function renderSectionItem(ctx: ComponentFixtureContext, section: IAgentSessionS // ============================================================================ // Fixtures +// +// Each fixture computes `now` inside its render function so that timestamps +// anchor to the virtual clock at render time, not module-load time. Without +// this, real time keeps advancing between module load and render, making +// relative labels like "30 min ago" / "31 min ago" flake from one run to the +// next. // ============================================================================ -const now = Date.now(); - export default defineThemedFixtureGroup({ // --- Status variants --- CompletedRead: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Refactor auth middleware', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - timing: { - created: now - 2 * 60 * 60 * 1000, - lastRequestStarted: now - 2 * 60 * 60 * 1000, - lastRequestEnded: now - 2 * 60 * 60 * 1000 + 45 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Refactor auth middleware', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + timing: { + created: now - 2 * 60 * 60 * 1000, + lastRequestStarted: now - 2 * 60 * 60 * 1000, + lastRequestEnded: now - 2 * 60 * 60 * 1000 + 45 * 1000, + }, + })); + }, }), CompletedUnread: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Add unit tests for parser', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - isRead: () => false, - timing: { - created: now - 30 * 60 * 1000, - lastRequestStarted: now - 30 * 60 * 1000, - lastRequestEnded: now - 25 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Add unit tests for parser', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + isRead: () => false, + timing: { + created: now - 30 * 60 * 1000, + lastRequestStarted: now - 30 * 60 * 1000, + lastRequestEnded: now - 25 * 60 * 1000, + }, + })); + }, }), InProgress: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Implement dark mode toggle', - status: AgentSessionStatus.InProgress, - providerType: AgentSessionProviders.Local, - timing: { - created: now - 5 * 60 * 1000, - lastRequestStarted: now - 2 * 60 * 1000, - lastRequestEnded: undefined, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Implement dark mode toggle', + status: AgentSessionStatus.InProgress, + providerType: AgentSessionProviders.Local, + timing: { + created: now - 5 * 60 * 1000, + lastRequestStarted: now - 2 * 60 * 1000, + lastRequestEnded: undefined, + }, + })); + }, }), NeedsInput: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Fix CI pipeline configuration', - status: AgentSessionStatus.NeedsInput, - providerType: AgentSessionProviders.Local, - isRead: () => false, - timing: { - created: now - 10 * 60 * 1000, - lastRequestStarted: now - 8 * 60 * 1000, - lastRequestEnded: undefined, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Fix CI pipeline configuration', + status: AgentSessionStatus.NeedsInput, + providerType: AgentSessionProviders.Local, + isRead: () => false, + timing: { + created: now - 10 * 60 * 1000, + lastRequestStarted: now - 8 * 60 * 1000, + lastRequestEnded: undefined, + }, + })); + }, }), FailedWithDuration: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Deploy staging environment', - status: AgentSessionStatus.Failed, - providerType: AgentSessionProviders.Local, - timing: { - created: now - 60 * 60 * 1000, - lastRequestStarted: now - 60 * 60 * 1000, - lastRequestEnded: now - 60 * 60 * 1000 + 3 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Deploy staging environment', + status: AgentSessionStatus.Failed, + providerType: AgentSessionProviders.Local, + timing: { + created: now - 60 * 60 * 1000, + lastRequestStarted: now - 60 * 60 * 1000, + lastRequestEnded: now - 60 * 60 * 1000 + 3 * 60 * 1000, + }, + })); + }, }), FailedWithoutDuration: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Migrate database schema', - status: AgentSessionStatus.Failed, - providerType: AgentSessionProviders.Local, - timing: { - created: now - 3 * 60 * 60 * 1000, - lastRequestStarted: undefined, - lastRequestEnded: undefined, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Migrate database schema', + status: AgentSessionStatus.Failed, + providerType: AgentSessionProviders.Local, + timing: { + created: now - 3 * 60 * 60 * 1000, + lastRequestStarted: undefined, + lastRequestEnded: undefined, + }, + })); + }, }), // --- Content variants --- WithDiffChanges: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Refactor settings page', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - changes: { files: 5, insertions: 142, deletions: 87 }, - timing: { - created: now - 45 * 60 * 1000, - lastRequestStarted: now - 45 * 60 * 1000, - lastRequestEnded: now - 40 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Refactor settings page', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + changes: { files: 5, insertions: 142, deletions: 87 }, + timing: { + created: now - 45 * 60 * 1000, + lastRequestStarted: now - 45 * 60 * 1000, + lastRequestEnded: now - 40 * 60 * 1000, + }, + })); + }, }), WithFileChangesList: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Update API endpoints', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Background, - icon: Codicon.worktree, - changes: [ - { modifiedUri: URI.file('/src/api/routes.ts'), insertions: 25, deletions: 10 }, - { modifiedUri: URI.file('/src/api/handlers.ts'), insertions: 50, deletions: 30 }, - { modifiedUri: URI.file('/tests/api.test.ts'), insertions: 40, deletions: 5 }, - ], - timing: { - created: now - 2 * 60 * 60 * 1000, - lastRequestStarted: now - 2 * 60 * 60 * 1000, - lastRequestEnded: now - 90 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Update API endpoints', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Background, + icon: Codicon.worktree, + changes: [ + { modifiedUri: URI.file('/src/api/routes.ts'), insertions: 25, deletions: 10 }, + { modifiedUri: URI.file('/src/api/handlers.ts'), insertions: 50, deletions: 30 }, + { modifiedUri: URI.file('/tests/api.test.ts'), insertions: 40, deletions: 5 }, + ], + timing: { + created: now - 2 * 60 * 60 * 1000, + lastRequestStarted: now - 2 * 60 * 60 * 1000, + lastRequestEnded: now - 90 * 60 * 1000, + }, + })); + }, }), WithBadge: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Optimize build pipeline', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - badge: 'PR #1234', - timing: { - created: now - 4 * 60 * 60 * 1000, - lastRequestStarted: now - 4 * 60 * 60 * 1000, - lastRequestEnded: now - 3.5 * 60 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Optimize build pipeline', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + badge: 'PR #1234', + timing: { + created: now - 4 * 60 * 60 * 1000, + lastRequestStarted: now - 4 * 60 * 60 * 1000, + lastRequestEnded: now - 3.5 * 60 * 60 * 1000, + }, + })); + }, }), WithMarkdownBadge: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Review security patches', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Cloud, - icon: Codicon.cloud, - badge: new MarkdownString('$(shield) Secure'), - timing: { - created: now - 6 * 60 * 60 * 1000, - lastRequestStarted: now - 6 * 60 * 60 * 1000, - lastRequestEnded: now - 5.5 * 60 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Review security patches', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Cloud, + icon: Codicon.cloud, + badge: new MarkdownString('$(shield) Secure'), + timing: { + created: now - 6 * 60 * 60 * 1000, + lastRequestStarted: now - 6 * 60 * 60 * 1000, + lastRequestEnded: now - 5.5 * 60 * 60 * 1000, + }, + })); + }, }), WithDescription: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Upgrade dependencies', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - description: 'Updated 12 packages to latest versions', - timing: { - created: now - 24 * 60 * 60 * 1000, - lastRequestStarted: now - 24 * 60 * 60 * 1000, - lastRequestEnded: now - 23.5 * 60 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Upgrade dependencies', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + description: 'Updated 12 packages to latest versions', + timing: { + created: now - 24 * 60 * 60 * 1000, + lastRequestStarted: now - 24 * 60 * 60 * 1000, + lastRequestEnded: now - 23.5 * 60 * 60 * 1000, + }, + })); + }, }), WithMarkdownDescription: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Fix accessibility issues', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - description: new MarkdownString('$(check) All WCAG checks passed'), - timing: { - created: now - 48 * 60 * 60 * 1000, - lastRequestStarted: now - 48 * 60 * 60 * 1000, - lastRequestEnded: now - 47 * 60 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Fix accessibility issues', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + description: new MarkdownString('$(check) All WCAG checks passed'), + timing: { + created: now - 48 * 60 * 60 * 1000, + lastRequestStarted: now - 48 * 60 * 60 * 1000, + lastRequestEnded: now - 47 * 60 * 60 * 1000, + }, + })); + }, }), WithBadgeAndDiff: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Implement search feature', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - badge: 'draft', - changes: { files: 8, insertions: 320, deletions: 45 }, - timing: { - created: now - 3 * 60 * 60 * 1000, - lastRequestStarted: now - 3 * 60 * 60 * 1000, - lastRequestEnded: now - 2.5 * 60 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Implement search feature', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + badge: 'draft', + changes: { files: 8, insertions: 320, deletions: 45 }, + timing: { + created: now - 3 * 60 * 60 * 1000, + lastRequestStarted: now - 3 * 60 * 60 * 1000, + lastRequestEnded: now - 2.5 * 60 * 60 * 1000, + }, + })); + }, }), // --- State variants --- Archived: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Old migration script', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - isArchived: () => true, - timing: { - created: now - 7 * 24 * 60 * 60 * 1000, - lastRequestStarted: now - 7 * 24 * 60 * 60 * 1000, - lastRequestEnded: now - 7 * 24 * 60 * 60 * 1000 + 10 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Old migration script', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + isArchived: () => true, + timing: { + created: now - 7 * 24 * 60 * 60 * 1000, + lastRequestStarted: now - 7 * 24 * 60 * 60 * 1000, + lastRequestEnded: now - 7 * 24 * 60 * 60 * 1000 + 10 * 60 * 1000, + }, + })); + }, }), ArchivedUnread: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Archived unread task', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Local, - isArchived: () => true, - isRead: () => false, - timing: { - created: now - 5 * 24 * 60 * 60 * 1000, - lastRequestStarted: now - 5 * 24 * 60 * 60 * 1000, - lastRequestEnded: now - 5 * 24 * 60 * 60 * 1000 + 5 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Archived unread task', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Local, + isArchived: () => true, + isRead: () => false, + timing: { + created: now - 5 * 24 * 60 * 60 * 1000, + lastRequestStarted: now - 5 * 24 * 60 * 60 * 1000, + lastRequestEnded: now - 5 * 24 * 60 * 60 * 1000 + 5 * 60 * 1000, + }, + })); + }, }), // --- Provider-type variants --- CloudProvider: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Generate API documentation', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Cloud, - icon: Codicon.cloud, - timing: { - created: now - 90 * 60 * 1000, - lastRequestStarted: now - 90 * 60 * 1000, - lastRequestEnded: now - 80 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Generate API documentation', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Cloud, + icon: Codicon.cloud, + timing: { + created: now - 90 * 60 * 1000, + lastRequestStarted: now - 90 * 60 * 1000, + lastRequestEnded: now - 80 * 60 * 1000, + }, + })); + }, }), BackgroundProvider: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Run linter across codebase', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Background, - icon: Codicon.worktree, - timing: { - created: now - 120 * 60 * 1000, - lastRequestStarted: now - 120 * 60 * 1000, - lastRequestEnded: now - 110 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Run linter across codebase', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Background, + icon: Codicon.worktree, + timing: { + created: now - 120 * 60 * 1000, + lastRequestStarted: now - 120 * 60 * 1000, + lastRequestEnded: now - 110 * 60 * 1000, + }, + })); + }, }), ClaudeProvider: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Analyze code complexity', - status: AgentSessionStatus.Completed, - providerType: AgentSessionProviders.Claude, - icon: Codicon.claude, - timing: { - created: now - 150 * 60 * 1000, - lastRequestStarted: now - 150 * 60 * 1000, - lastRequestEnded: now - 140 * 60 * 1000, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Analyze code complexity', + status: AgentSessionStatus.Completed, + providerType: AgentSessionProviders.Claude, + icon: Codicon.claude, + timing: { + created: now - 150 * 60 * 1000, + lastRequestStarted: now - 150 * 60 * 1000, + lastRequestEnded: now - 140 * 60 * 1000, + }, + })); + }, }), CloudProviderInProgress: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Build integration tests', - status: AgentSessionStatus.InProgress, - providerType: AgentSessionProviders.Cloud, - icon: Codicon.cloud, - isRead: () => false, - timing: { - created: now - 10 * 60 * 1000, - lastRequestStarted: now - 3 * 60 * 1000, - lastRequestEnded: undefined, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Build integration tests', + status: AgentSessionStatus.InProgress, + providerType: AgentSessionProviders.Cloud, + icon: Codicon.cloud, + isRead: () => false, + timing: { + created: now - 10 * 60 * 1000, + lastRequestStarted: now - 3 * 60 * 1000, + lastRequestEnded: undefined, + }, + })); + }, }), // --- In-progress with description override --- InProgressWithDescription: defineComponentFixture({ - render: (ctx) => renderSessionItem(ctx, createMockSession({ - label: 'Scaffold new microservice', - status: AgentSessionStatus.InProgress, - providerType: AgentSessionProviders.Background, - icon: Codicon.worktree, - description: 'Installing dependencies...', - timing: { - created: now - 5 * 60 * 1000, - lastRequestStarted: now - 60 * 1000, - lastRequestEnded: undefined, - }, - })), + render: (ctx) => { + const now = Date.now(); + renderSessionItem(ctx, createMockSession({ + label: 'Scaffold new microservice', + status: AgentSessionStatus.InProgress, + providerType: AgentSessionProviders.Background, + icon: Codicon.worktree, + description: 'Installing dependencies...', + timing: { + created: now - 5 * 60 * 1000, + lastRequestStarted: now - 60 * 1000, + lastRequestEnded: undefined, + }, + })); + }, }), // --- Section headers --- @@ -521,6 +585,7 @@ export default defineThemedFixtureGroup({ ApprovalRowJson: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-json'); const approvalModel = createMockApprovalModel(resource, { label: '{ "action": "deleteFile", "path": "/src/old-module.ts" }', @@ -544,6 +609,7 @@ export default defineThemedFixtureGroup({ ApprovalRowBash: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-bash'); const approvalModel = createMockApprovalModel(resource, { label: 'npm install --save express@latest', @@ -567,6 +633,7 @@ export default defineThemedFixtureGroup({ ApprovalRowPowerShell: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-powershell'); const approvalModel = createMockApprovalModel(resource, { label: 'Start-Job -ScriptBlock { Set-Location \'c:\\some\\path\'; npm install } | Out-Null', @@ -590,6 +657,7 @@ export default defineThemedFixtureGroup({ ApprovalRowLongLabel: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-long'); const approvalModel = createMockApprovalModel(resource, { label: 'rm -rf node_modules && npm cache clean --force && npm install --legacy-peer-deps --ignore-scripts', @@ -615,6 +683,7 @@ export default defineThemedFixtureGroup({ ApprovalRow1Line: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-1line'); const approvalModel = createMockApprovalModel(resource, { label: 'npm install --save express@latest', @@ -638,6 +707,7 @@ export default defineThemedFixtureGroup({ ApprovalRow2Lines: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-2lines'); const approvalModel = createMockApprovalModel(resource, { label: 'cd /workspace/project\nnpm install', @@ -661,6 +731,7 @@ export default defineThemedFixtureGroup({ ApprovalRow3Lines: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-3lines'); const approvalModel = createMockApprovalModel(resource, { label: 'cd /workspace/project\nnpm install\nnpm run build', @@ -684,6 +755,7 @@ export default defineThemedFixtureGroup({ ApprovalRow4Lines: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-4lines'); const approvalModel = createMockApprovalModel(resource, { label: 'cd /workspace/project\nnpm install\nnpm run build\nnpm run test -- --coverage', @@ -707,6 +779,7 @@ export default defineThemedFixtureGroup({ ApprovalRow3LongLines: defineComponentFixture({ render: (ctx) => { + const now = Date.now(); const resource = URI.parse('vscode-chat-session://local/approval-3longlines'); const approvalModel = createMockApprovalModel(resource, { label: 'RUSTFLAGS="-C target-cpu=native -C opt-level=3" cargo build --release --target x86_64-unknown-linux-gnu\nfind ./target/release -name "*.so" -exec strip --strip-unneeded {} \\; && tar czf release-bundle.tar.gz -C target/release .\ncurl -X POST https://deploy.internal.example.com/api/v2/artifacts/upload --header "Authorization: Bearer $DEPLOY_TOKEN" --form "bundle=@release-bundle.tar.gz"', diff --git a/test/componentFixtures/blocks-ci-screenshots.md b/test/componentFixtures/blocks-ci-screenshots.md index a2b209fbce62e6..0b1c2de1be37c4 100644 --- a/test/componentFixtures/blocks-ci-screenshots.md +++ b/test/componentFixtures/blocks-ci-screenshots.md @@ -1,10 +1,10 @@ #### editor/codeEditor/CodeEditor/Dark -![screenshot](https://hediet-screenshots.azurewebsites.net/images/7233cfd6ccf691f30019d2a9f8de20d6bac0af4e79ff23c43ac32e40e56fbbb9) +![screenshot](https://hediet-screenshots.azurewebsites.net/images/67bfb687fd2818bd53771a60660541b9ed6f38b80d37da0aac15d267ecaeacec) #### editor/codeEditor/CodeEditor/Light -![screenshot](https://hediet-screenshots.azurewebsites.net/images/da11fcac980961a5db956bb68f39794836f648f5c8349ad0df673424626d1755) +![screenshot](https://hediet-screenshots.azurewebsites.net/images/0469dd8d0a587d94a1eaec514c79917b93b9a38694ef2b767bb1892819ae0a55) #### editor/inlineChatZoneWidget/InlineChatZoneWidget/Dark ![screenshot](https://hediet-screenshots.azurewebsites.net/images/eee9299ca979bc241139e5c36fd03e8ad7b677fd2626d2f9f149fe39828c22cb)