fix(cli): share project-id truncation helper

packages/agentctx/src/cli/reset.ts

@@ -9,7 +9,7 @@ import { existsSync } from "node:fs";
 import { parseArgs } from "node:util";
 import { openDatabase } from "../storage/db.js";
 import { countProjectRecords, deleteProjectData } from "../storage/maintenance.js";
-import { resolveProjectId } from "../storage/namespace.js";
+import { resolveProjectId, shortProjectId } from "../storage/namespace.js";
 import type { CliEnv } from "./env.js";
 
 export const RESET_USAGE = `Usage: agentctx reset [options]
@@ -58,7 +58,7 @@ export async function runReset(env: CliEnv, args: string[]): Promise<number> {
     const result = deleteProjectData(db, projectId);
     env.io.out(
       `✓ deleted ${result.records} record(s), ${result.nodes} node(s), ` +
-        `${result.edges} edge(s), ${result.sessions} session(s) for project ${projectId.slice(0, 12)}…`,
+        `${result.edges} edge(s), ${result.sessions} session(s) for project ${shortProjectId(projectId)}`,
     );
   } finally {
     db.close();

packages/agentctx/src/cli/status.ts

@@ -10,7 +10,7 @@ import { existsSync } from "node:fs";
 import { parseArgs } from "node:util";
 import { loadConfig } from "../config.js";
 import { openDatabase } from "../storage/db.js";
-import { resolveProjectId } from "../storage/namespace.js";
+import { resolveProjectId, shortProjectId } from "../storage/namespace.js";
 import { GLOBAL_VISIBLE_SQL } from "../storage/records.js";
 import { RECORD_TYPES } from "../storage/types.js";
 import type { CliEnv } from "./env.js";
@@ -50,7 +50,7 @@ export async function runStatus(env: CliEnv, args: string[]): Promise<number> {
     const all = sessionTotals(db, null);
     const config = loadConfig(env.configPath);
 
-    env.io.out(`agentctx status — project ${projectId.slice(0, 12)}… (${env.cwd})`);
+    env.io.out(`agentctx status — project ${shortProjectId(projectId)} (${env.cwd})`);
     env.io.out("");
     env.io.out("Context records (active):");
     let total = 0;

packages/agentctx/src/storage/namespace.ts

@@ -11,6 +11,7 @@ import { createHash } from "node:crypto";
 import { resolve } from "node:path";
 
 export { GLOBAL_PROJECT_ID } from "./types.js";
+export const PROJECT_ID_DISPLAY_LEN = 12;
 
 /**
  * Normalize a git remote URL to a canonical `host/path` form: unifies
@@ -69,6 +70,10 @@ export function resolveProjectId(cwd: string = process.cwd()): string {
   return projectIdFromPath(repoRoot ?? cwd);
 }
 
+export function shortProjectId(projectId: string): string {
+  return `${projectId.slice(0, PROJECT_ID_DISPLAY_LEN)}…`;
+}
+
 function git(args: string[], cwd: string): string | null {
   try {
     const out = execFileSync("git", args, {

packages/agentctx/test/storage/namespace.test.ts

@@ -1,8 +1,10 @@
 import { describe, expect, it } from "vitest";
 import {
+  PROJECT_ID_DISPLAY_LEN,
   normalizeGitRemoteUrl,
   projectIdFromPath,
   projectIdFromRemote,
+  shortProjectId,
 } from "../../src/storage/namespace.js";
 
 describe("normalizeGitRemoteUrl", () => {
@@ -47,3 +49,11 @@ describe("project ids", () => {
     expect(fromPath).not.toBe(projectIdFromRemote("github.com/org/repo"));
   });
 });
+
+describe("shortProjectId", () => {
+  it("renders the first 12 hex chars plus an ellipsis", () => {
+    const projectId = "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
+    expect(shortProjectId(projectId)).toBe("0123456789ab…");
+    expect(shortProjectId(projectId)).toHaveLength(PROJECT_ID_DISPLAY_LEN + 1);
+  });
+});