fix: Consolidate agent instructions.

packages/cli/snap-tests-global/command-create-help/snap.txt

@@ -14,7 +14,7 @@ Arguments:
 
 Options:
   --directory DIR         Target directory for the generated project.
-  --agent NAME            Create an agent instructions file for the specified agent.
+  --agent NAME            Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.
   --editor NAME           Write editor config files for the specified editor.
   --hooks                 Set up pre-commit hooks (default in non-interactive mode)
   --no-hooks              Skip pre-commit hooks setup
@@ -70,7 +70,7 @@ Arguments:
 
 Options:
   --directory DIR         Target directory for the generated project.
-  --agent NAME            Create an agent instructions file for the specified agent.
+  --agent NAME            Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.
   --editor NAME           Write editor config files for the specified editor.
   --hooks                 Set up pre-commit hooks (default in non-interactive mode)
   --no-hooks              Skip pre-commit hooks setup
@@ -126,7 +126,7 @@ Arguments:
 
 Options:
   --directory DIR         Target directory for the generated project.
-  --agent NAME            Create an agent instructions file for the specified agent.
+  --agent NAME            Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.
   --editor NAME           Write editor config files for the specified editor.
   --hooks                 Set up pre-commit hooks (default in non-interactive mode)
   --no-hooks              Skip pre-commit hooks setup

packages/cli/snap-tests-global/migration-check/snap.txt

@@ -9,8 +9,8 @@ Arguments:
   PATH  Target directory to migrate (default: current directory)
 
 Options:
-  --agent NAME      Write agent instructions file into the project (e.g. chatgpt, claude, opencode).
-  --no-agent        Skip writing agent instructions file
+  --agent NAME      Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.
+  --no-agent        Skip writing coding agent instructions
   --editor NAME     Write editor config files into the project.
   --no-editor       Skip writing editor config files
   --hooks           Set up pre-commit hooks (default in non-interactive mode)

packages/cli/snap-tests-global/migration-lintstagedrc-json/snap.txt

@@ -9,8 +9,8 @@ Arguments:
   PATH  Target directory to migrate (default: current directory)
 
 Options:
-  --agent NAME      Write agent instructions file into the project (e.g. chatgpt, claude, opencode).
-  --no-agent        Skip writing agent instructions file
+  --agent NAME      Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.
+  --no-agent        Skip writing coding agent instructions
   --editor NAME     Write editor config files into the project.
   --no-editor       Skip writing editor config files
   --hooks           Set up pre-commit hooks (default in non-interactive mode)

packages/cli/snap-tests-global/new-check/snap.txt

@@ -14,7 +14,7 @@ Arguments:
 
 Options:
   --directory DIR         Target directory for the generated project.
-  --agent NAME            Create an agent instructions file for the specified agent.
+  --agent NAME            Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.
   --editor NAME           Write editor config files for the specified editor.
   --hooks                 Set up pre-commit hooks (default in non-interactive mode)
   --no-hooks              Skip pre-commit hooks setup

packages/cli/src/create/bin.ts

@@ -80,7 +80,7 @@ const helpMessage = renderCliDoc({
         { label: '--directory DIR', description: 'Target directory for the generated project.' },
         {
           label: '--agent NAME',
-          description: 'Create an agent instructions file for the specified agent.',
+          description: 'Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.',
         },
         {
           label: '--editor NAME',

packages/cli/src/migration/bin.ts

@@ -224,10 +224,9 @@ const helpMessage = renderCliDoc({
       rows: [
         {
           label: '--agent NAME',
-          description:
-            'Write agent instructions file into the project (e.g. chatgpt, claude, opencode).',
+          description: 'Write coding agent instructions to AGENTS.md, CLAUDE.md, etc.',
         },
-        { label: '--no-agent', description: 'Skip writing agent instructions file' },
+        { label: '--no-agent', description: 'Skip writing coding agent instructions' },
         {
           label: '--editor NAME',
           description: 'Write editor config files into the project.',

packages/cli/src/utils/__tests__/agent.spec.ts

@@ -11,6 +11,7 @@ import {
   hasExistingAgentInstructions,
   replaceMarkedAgentInstructionsSection,
   resolveAgentTargetPaths,
+  selectAgentTargetPaths,
   writeAgentInstructions,
 } from '../agent.js';
 import { pkgRoot } from '../path.js';
@@ -252,13 +253,19 @@ async function createProjectDir() {
 }
 
 describe('resolveAgentTargetPaths', () => {
-  it('resolves comma-separated agent names and deduplicates target paths', () => {
+  it('resolves legacy agent names and deduplicates target paths', () => {
     expect(resolveAgentTargetPaths('claude,amp,opencode,chatgpt')).toEqual([
       'CLAUDE.md',
       'AGENTS.md',
     ]);
   });
 
+  it('resolves file names directly', () => {
+    expect(
+      resolveAgentTargetPaths(['AGENTS.md', 'CLAUDE.md', '.github/copilot-instructions.md']),
+    ).toEqual(['AGENTS.md', 'CLAUDE.md', '.github/copilot-instructions.md']);
+  });
+
   it('resolves repeated --agent values and trims whitespace', () => {
     expect(resolveAgentTargetPaths([' claude ', ' amp, opencode ', 'codex'])).toEqual([
       'CLAUDE.md',
@@ -272,6 +279,40 @@ describe('resolveAgentTargetPaths', () => {
   });
 });
 
+describe('selectAgentTargetPaths', () => {
+  it('prompts with file-based targets and agent hints', async () => {
+    const multiselectSpy = vi.spyOn(prompts, 'multiselect').mockResolvedValue(['agents', 'claude']);
+
+    await expect(
+      selectAgentTargetPaths({
+        interactive: true,
+        onCancel: vi.fn(),
+      }),
+    ).resolves.toEqual(['AGENTS.md', 'CLAUDE.md']);
+
+    expect(multiselectSpy).toHaveBeenCalledWith(
+      expect.objectContaining({
+        message: expect.stringContaining(
+          'Which coding agent instruction files should Vite+ create?',
+        ),
+        initialValues: ['agents'],
+        options: expect.arrayContaining([
+          expect.objectContaining({
+            label: 'AGENTS.md',
+            value: 'agents',
+            hint: expect.stringContaining('Codex'),
+          }),
+          expect.objectContaining({
+            label: 'CLAUDE.md',
+            value: 'claude',
+            hint: 'Claude Code',
+          }),
+        ]),
+      }),
+    );
+  });
+});
+
 describe('detectExistingAgentTargetPath', () => {
   it('detects all existing regular agent files', async () => {
     const dir = await createProjectDir();

packages/cli/src/utils/agent.ts

@@ -164,37 +164,75 @@ export function detectAgents(root: string): AgentConfig[] {
 
 // --- Backward-compatible exports ---
 
-const AGENT_ALIASES: Record<string, string> = {
-  chatgpt: 'chatgpt-codex',
-  codex: 'chatgpt-codex',
-};
-
 export const AGENTS = [
-  { id: 'chatgpt-codex', label: 'ChatGPT (Codex)', targetPath: 'AGENTS.md' },
-  { id: 'claude', label: 'Claude Code', targetPath: 'CLAUDE.md' },
-  { id: 'gemini', label: 'Gemini CLI', targetPath: 'GEMINI.md' },
+  {
+    id: 'agents',
+    label: 'AGENTS.md',
+    targetPath: 'AGENTS.md',
+    hint: 'Codex, Amp, OpenCode, and similar agents',
+    aliases: [
+      'agents.md',
+      'chatgpt',
+      'chatgpt-codex',
+      'codex',
+      'amp',
+      'kilo',
+      'kilo-code',
+      'kiro',
+      'kiro-cli',
+      'opencode',
+      'other',
+    ],
+  },
+  {
+    id: 'claude',
+    label: 'CLAUDE.md',
+    targetPath: 'CLAUDE.md',
+    hint: 'Claude Code',
+    aliases: ['claude.md', 'claude-code'],
+  },
+  {
+    id: 'gemini',
+    label: 'GEMINI.md',
+    targetPath: 'GEMINI.md',
+    hint: 'Gemini CLI',
+    aliases: ['gemini.md', 'gemini-cli'],
+  },
   {
     id: 'copilot',
-    label: 'GitHub Copilot',
+    label: '.github/copilot-instructions.md',
     targetPath: '.github/copilot-instructions.md',
+    hint: 'GitHub Copilot',
+    aliases: ['github-copilot', 'copilot-instructions.md'],
+  },
+  {
+    id: 'cursor',
+    label: '.cursor/rules/viteplus.mdc',
+    targetPath: '.cursor/rules/viteplus.mdc',
+    hint: 'Cursor',
+    aliases: ['viteplus.mdc'],
   },
-  { id: 'cursor', label: 'Cursor', targetPath: '.cursor/rules/viteplus.mdc' },
   {
     id: 'jetbrains',
-    label: 'JetBrains AI Assistant',
+    label: '.aiassistant/rules/viteplus.md',
     targetPath: '.aiassistant/rules/viteplus.md',
+    hint: 'JetBrains AI Assistant',
+    aliases: ['jetbrains', 'jetbrains-ai-assistant', 'aiassistant', 'viteplus.md'],
   },
-  { id: 'amp', label: 'Amp', targetPath: 'AGENTS.md' },
-  { id: 'kiro', label: 'Kiro', targetPath: 'AGENTS.md' },
-  { id: 'opencode', label: 'OpenCode', targetPath: 'AGENTS.md' },
-  { id: 'other', label: 'Other', targetPath: 'AGENTS.md' },
 ] as const;
 
 type AgentSelection = string | string[] | false;
+const AGENT_DEFAULT_ID = 'agents';
 const AGENT_STANDARD_PATH = 'AGENTS.md';
 const AGENT_INSTRUCTIONS_START_MARKER = '<!--VITE PLUS START-->';
 const AGENT_INSTRUCTIONS_END_MARKER = '<!--VITE PLUS END-->';
 
+const AGENT_ALIASES = Object.fromEntries(
+  AGENTS.flatMap((option) =>
+    (option.aliases ?? []).map((alias) => [normalizeAgentName(alias), option.id]),
+  ),
+) as Record<string, string>;
+
 export async function selectAgentTargetPaths({
   interactive,
   agent,
@@ -211,18 +249,13 @@ export async function selectAgentTargetPaths({
 
   if (interactive && !agent) {
     const selectedAgents = await prompts.multiselect({
-      message:
-        'Which agents are you using?\n  ' +
-        styleText(
-          'gray',
-          'Writes an instruction file for each selected agent to help it understand `vp` commands and the project workflow.',
-        ),
+      message: 'Which coding agent instruction files should Vite+ create?',
       options: AGENTS.map((option) => ({
         label: option.label,
         value: option.id,
-        hint: option.targetPath,
+        hint: option.hint,
       })),
-      initialValues: ['chatgpt-codex'],
+      initialValues: [AGENT_DEFAULT_ID],
       required: false,
     });
 
@@ -237,7 +270,7 @@ export async function selectAgentTargetPaths({
     return resolveAgentTargetPaths(selectedAgents);
   }
 
-  return resolveAgentTargetPaths(agent ?? 'other');
+  return resolveAgentTargetPaths(agent ?? AGENT_DEFAULT_ID);
 }
 
 export async function selectAgentTargetPath({
@@ -359,9 +392,12 @@ function resolveSingleAgentTargetPath(agent: string) {
   const resolved = alias ? normalizeAgentName(alias) : normalized;
   const match = AGENTS.find(
     (option) =>
-      normalizeAgentName(option.id) === resolved || normalizeAgentName(option.label) === resolved,
+      normalizeAgentName(option.id) === resolved ||
+      normalizeAgentName(option.label) === resolved ||
+      normalizeAgentName(option.targetPath) === resolved ||
+      option.aliases?.some((candidate) => normalizeAgentName(candidate) === resolved),
   );
-  return match?.targetPath ?? AGENTS[AGENTS.length - 1].targetPath;
+  return match?.targetPath ?? AGENT_STANDARD_PATH;
 }
 
 export interface AgentConflictInfo {