fix(copilot): make Node hook installation transactional

test/copilot-official.test.mjs

@@ -0,0 +1,81 @@
+import assert from 'node:assert/strict';
+import path from 'node:path';
+import test from 'node:test';
+import {
+  createFixture,
+  environment,
+  runNode,
+} from '../test-support/copilot-test-helpers.mjs';
+
+const copilotEntry = process.env.ELYDORA_COPILOT_ENTRY;
+const copilotRuntimeEntry = process.env.ELYDORA_COPILOT_RUNTIME_ENTRY;
+
+test('official GitHub Copilot CLI 1.0.71 loads all three managed hooks', {
+  skip: copilotEntry && copilotRuntimeEntry
+    ? false
+    : 'set ELYDORA_COPILOT_ENTRY and ELYDORA_COPILOT_RUNTIME_ENTRY to official package files',
+}, async () => {
+  const fixture = await createFixture();
+  try {
+    assert.equal((await fixture.install()).code, 0);
+    const version = await runNode(
+      [copilotEntry, '--version'],
+      environment(fixture),
+      fixture.projectDir,
+    );
+    assert.equal(version.code, 0, version.stderr);
+    assert.match(version.stdout, /^GitHub Copilot CLI 1\.0\.71\.$/m);
+
+    const source = `
+      import { createRequire } from 'node:module';
+      const require = createRequire(import.meta.url);
+      const runtime = require(process.env.ELYDORA_COPILOT_RUNTIME_ENTRY);
+      const session = await runtime.hookSessionCreate({
+        cwd: process.env.ELYDORA_PROJECT,
+        repoRoot: process.env.ELYDORA_PROJECT,
+        sessionId: 'elydora-official-test',
+        settingsJson: '{}',
+        userHooksDir: process.env.ELYDORA_HOOKS,
+        allowLocalhost: false,
+        allowHttpAuthHooks: false,
+        discoverPolicies: false,
+      });
+      try {
+        const snapshot = JSON.parse(await runtime.hookSessionSnapshot(session.handle));
+        console.log(JSON.stringify({ load: session.load, snapshot }));
+      } finally {
+        runtime.hookSessionDispose(session.handle);
+      }
+    `;
+    const load = await runNode(
+      ['--input-type=module', '--eval', source],
+      {
+        ...environment(fixture),
+        ELYDORA_COPILOT_RUNTIME_ENTRY: copilotRuntimeEntry,
+        ELYDORA_HOOKS: fixture.hooksDir,
+        ELYDORA_PROJECT: fixture.projectDir,
+      },
+      fixture.projectDir,
+    );
+    assert.equal(load.code, 0, load.stderr);
+    const result = JSON.parse(load.stdout);
+    assert.equal(result.load.hookCount, 3);
+    assert.deepEqual(result.load.errors, []);
+    assert.deepEqual(result.load.warnings, []);
+    assert.deepEqual(
+      result.snapshot.hooks.map((hook) => hook.eventName).sort(),
+      ['postToolUse', 'postToolUseFailure', 'preToolUse'],
+    );
+    for (const hook of result.snapshot.hooks) {
+      assert.match(hook.source, /hooks[\\/]elydora-audit\.json$/);
+      const spec = JSON.parse(hook.specJson);
+      assert.equal(spec.config.type, 'command');
+      assert.equal(spec.config.timeoutSec, 10);
+      assert.match(spec.config.bash, /node(?:\.exe)?/i);
+      assert.match(spec.config.powershell, /^& /);
+      assert.equal(path.basename(spec.source), 'elydora-audit.json');
+    }
+  } finally {
+    await fixture.close();
+  }
+});