fix: keep Ambient Resume for Classic-only projects (#338)

* fix: keep Ambient Resume for Classic projects

* chore: align version to beta.19 and consolidate changelog

---------

Co-authored-by: mayzhaoyu <26018762+mayzhaoyu@users.noreply.github.com>

Author: mayzhaoyu

CHANGELOG.md

@@ -2,14 +2,12 @@
 
 All notable changes to @rpamis/comet will be documented in this file.
 
-## What's Changed [0.4.0-beta.20] - 2026-08-16
+## What's Changed [0.4.0-beta.19] - 2026-08-15
 
 ### Added
 
 - **Repository-owned Native pull-request finish providers**: Projects can opt into a structured repository command for PR title, body, template, and policy validation while Comet retains commit, push, remote base/head/SHA verification, existing-PR reuse, recoverable failure state, and safe worktree cleanup.
 
-## What's Changed [0.4.0-beta.19] - 2026-08-15
-
 ### Changed
 
 - **Dashboard artifact previews**: Fullscreen previews now close with Escape, keep long tables horizontally scrollable, preserve readable table headers, and use a larger directory navigation scale.
@@ -18,6 +16,7 @@ All notable changes to @rpamis/comet will be documented in this file.
 
 ### Fixed
 
+- **Classic Ambient Resume**: `comet init` and `comet update` now keep the managed Ambient Resume instructions for Classic-only projects when `ambient_resume` is enabled, so re-running the commands no longer removes the block from `AGENTS.md` or `CLAUDE.md`.
 - **Fork pull request greetings**: First-time contributors now receive the repository guidance comment when opening a pull request from a fork, without weakening the read-only permissions of workflows that execute contributor code.
 - **Pull request template checks**: Pull requests now receive an actionable comment and a failing check when items from the repository template are missing or its checklist is incomplete.
 

app/commands/init.ts

@@ -1124,8 +1124,7 @@ export async function initCommand(
       await syncCometProjectInstructions(
         projectPath,
         language.id,
-        includesWorkflow(workflowSelection, 'native') &&
-          (initialProjectConfigDocument?.ambient_resume ?? true),
+        initialProjectConfigDocument?.ambient_resume ?? true,
       );
 
       const successfulCometPlatforms = new Set(

app/commands/update.ts

@@ -1975,7 +1975,7 @@ async function updateSingleProject(
       const projectInstructionResult = await syncCometProjectInstructions(
         projectPath,
         projectLanguageId,
-        nativeProject && (projectConfigDocument?.ambient_resume ?? true),
+        projectConfigDocument?.ambient_resume ?? true,
       );
       projectInstructionsUpdated = projectInstructionResult.changed;
       if (projectInstructionsUpdated > 0) {

assets/manifest.json

@@ -1,5 +1,5 @@
 {
-  "version": "0.4.0-beta.20",
+  "version": "0.4.0-beta.19",
   "skills": [
     "comet/SKILL.md",
     "comet/agents/openai.yaml",

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@rpamis/comet",
-  "version": "0.4.0-beta.20",
+  "version": "0.4.0-beta.19",
   "description": "Agent Skill Harness For Turning Ideas Into Evaluated Workflows",
   "keywords": [
     "comet",

package.json

@@ -29,7 +29,7 @@ describe('CLI help text', () => {
     expect(help.status, help.stderr).toBe(0);
     expect(help.stdout).toContain(tagline);
     expect(packageJson.description).toBe(tagline);
-    expect(packageJson.version).toBe('0.4.0-beta.20');
+    expect(packageJson.version).toBe('0.4.0-beta.19');
   });
 
   it('marks bundle as the advanced backend and skill Engine runs as advanced', () => {

test/app/cli-help.test.ts

@@ -506,6 +506,31 @@ describe('comet init E2E', () => {
     ).rejects.toMatchObject({ code: 'ENOENT' });
   });
 
+  it('installs Ambient Resume instructions for Classic-only project init', async () => {
+    mockExternalSuccess();
+    await fs.mkdir(path.join(tmpDir, '.claude'), { recursive: true });
+    await fs.writeFile(path.join(tmpDir, 'AGENTS.md'), '# User\n\nKeep this.\n', 'utf8');
+    await fs.writeFile(path.join(tmpDir, 'CLAUDE.md'), '# User\n\nAlso keep this.\n', 'utf8');
+
+    const { initCommand } = await import('../../app/commands/init.js');
+    const result = await captureJsonOutput(() =>
+      initCommand(tmpDir, { yes: true, json: true, workflow: 'classic', language: 'en' }),
+    );
+
+    expect(result).toMatchObject({
+      workflow: 'classic',
+      initializedWorkflows: ['classic'],
+    });
+    const agents = await fs.readFile(path.join(tmpDir, 'AGENTS.md'), 'utf8');
+    const claude = await fs.readFile(path.join(tmpDir, 'CLAUDE.md'), 'utf8');
+    for (const content of [agents, claude]) {
+      expect(content).toContain('<comet-ambient-resume>');
+      expect(content).toContain('comet resume-probe . --stdin --json');
+    }
+    expect(agents).toContain('# User\n\nKeep this.');
+    expect(claude).toContain('# User\n\nAlso keep this.');
+  });
+
   it('adds Classic with the docs layout when a Native-only project is reinitialized as Both', async () => {
     mockExternalSuccess();
     await fs.mkdir(path.join(tmpDir, '.claude'), { recursive: true });

test/app/init-e2e.test.ts

@@ -3526,6 +3526,36 @@ describe('update command helpers', () => {
     expect(claude).toContain('<comet-ambient-resume>');
   });
 
+  it('installs ambient resume instructions for Classic-only projects', async () => {
+    await arrangeClassicDocsOpenSpecUpdate(tmpDir);
+    await fs.writeFile(path.join(tmpDir, 'AGENTS.md'), '# User\n\nKeep this.\n', 'utf8');
+    await fs.writeFile(path.join(tmpDir, 'CLAUDE.md'), '# User\n\nAlso keep this.\n', 'utf8');
+
+    const fakeHome = path.join(tmpDir, 'fake-home-classic-instructions');
+    const homedirSpy = vi.spyOn(os, 'homedir').mockReturnValue(fakeHome);
+    const log = vi.spyOn(console, 'log').mockImplementation(() => undefined);
+    let json: string;
+    try {
+      await updateCommand(tmpDir, { json: true, skipNpm: true });
+      json = log.mock.calls.map((call) => call.join(' ')).join('\n');
+    } finally {
+      log.mockRestore();
+      homedirSpy.mockRestore();
+    }
+
+    const result = JSON.parse(json);
+    expect(result.projectInstructions.updated).toBe(2);
+
+    const agents = await fs.readFile(path.join(tmpDir, 'AGENTS.md'), 'utf8');
+    const claude = await fs.readFile(path.join(tmpDir, 'CLAUDE.md'), 'utf8');
+    for (const content of [agents, claude]) {
+      expect(content).toContain('<comet-ambient-resume>');
+      expect(content).toContain('comet resume-probe . --stdin --json');
+    }
+    expect(agents).toContain('# User\n\nKeep this.');
+    expect(claude).toContain('# User\n\nAlso keep this.');
+  });
+
   it('removes ambient resume instructions when the project disables the probe', async () => {
     await fs.mkdir(path.join(tmpDir, '.comet'), { recursive: true });
     await fs.writeFile(

test/app/update.test.ts

@@ -16,7 +16,7 @@ describe('release metadata', () => {
       readFileSync(path.join(repositoryRoot, 'assets', 'manifest.json'), 'utf8'),
     ) as { version: string };
 
-    expect(packageJson.version).toBe('0.4.0-beta.20');
+    expect(packageJson.version).toBe('0.4.0-beta.19');
     expect(packageLock.version).toBe(packageJson.version);
     expect(packageLock.packages[''].version).toBe(packageJson.version);
     expect(assetsManifest.version).toBe(packageJson.version);