fix(copilot): make Python hook installation transactional

tests/test_copilot_official.py

@@ -0,0 +1,100 @@
+from __future__ import annotations
+
+import json
+import os
+from pathlib import Path
+import shutil
+import subprocess
+
+import pytest
+
+from copilot_support import prepare_fixture
+
+
+COPILOT_ENTRY = os.environ.get("ELYDORA_COPILOT_ENTRY")
+COPILOT_RUNTIME_ENTRY = os.environ.get("ELYDORA_COPILOT_RUNTIME_ENTRY")
+NODE = shutil.which("node")
+
+
+@pytest.mark.skipif(
+    not COPILOT_ENTRY or not COPILOT_RUNTIME_ENTRY or not NODE,
+    reason=(
+        "set ELYDORA_COPILOT_ENTRY and ELYDORA_COPILOT_RUNTIME_ENTRY "
+        "to official package files"
+    ),
+)
+def test_official_copilot_1_0_71_loads_all_three_managed_hooks(
+    monkeypatch: pytest.MonkeyPatch,
+    tmp_path: Path,
+) -> None:
+    fixture = prepare_fixture(monkeypatch, tmp_path)
+    fixture.plugin.install(fixture.config)
+    environment = {
+        **os.environ,
+        "HOME": str(fixture.home_dir),
+        "USERPROFILE": str(fixture.home_dir),
+        "COPILOT_HOME": str(fixture.copilot_home),
+    }
+    version = subprocess.run(
+        [str(NODE), str(COPILOT_ENTRY), "--version"],
+        capture_output=True,
+        check=False,
+        cwd=fixture.project_dir,
+        env=environment,
+        text=True,
+    )
+    assert version.returncode == 0, version.stderr
+    assert "GitHub Copilot CLI 1.0.71." in version.stdout
+
+    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-python-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);
+}
+"""
+    loaded = subprocess.run(
+        [str(NODE), "--input-type=module", "--eval", source],
+        capture_output=True,
+        check=False,
+        cwd=fixture.project_dir,
+        env={
+            **environment,
+            "ELYDORA_COPILOT_RUNTIME_ENTRY": str(COPILOT_RUNTIME_ENTRY),
+            "ELYDORA_HOOKS": str(fixture.config_path.parent),
+            "ELYDORA_PROJECT": str(fixture.project_dir),
+        },
+        text=True,
+    )
+    assert loaded.returncode == 0, loaded.stderr
+    result = json.loads(loaded.stdout)
+    assert result["load"]["hookCount"] == 3
+    assert result["load"]["errors"] == []
+    assert result["load"]["warnings"] == []
+    hooks = result["snapshot"]["hooks"]
+    assert sorted(hook["eventName"] for hook in hooks) == [
+        "postToolUse",
+        "postToolUseFailure",
+        "preToolUse",
+    ]
+    for hook in hooks:
+        assert Path(hook["source"]).name == "elydora-audit.json"
+        spec = json.loads(hook["specJson"])
+        assert spec["config"]["type"] == "command"
+        assert spec["config"]["timeoutSec"] == 10
+        assert "python" in spec["config"]["bash"].lower()
+        assert spec["config"]["powershell"].startswith("& ")