chore(tests): Final stabilization of test suite and full isolation of live_gui artifacts

tests/conftest.py

@@ -12,6 +12,9 @@ from pathlib import Path
 from typing import Generator, Any
 from unittest.mock import patch, MagicMock
 
+# Ensure project root is in path for imports
+sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
+
 # Import the App class after patching if necessary, but here we just need the type hint
 from gui_2 import App
 
@@ -79,7 +82,7 @@ def kill_process_tree(pid: int | None) -> None:
   print(f"[Fixture] Error killing process tree {pid}: {e}")
 
 @pytest.fixture
-def mock_app() -> App:
+def mock_app() -> Generator[App, None, None]:
  """
  Mock version of the App for simple unit tests that don't need a loop.
  """
@@ -98,9 +101,13 @@ def mock_app() -> App:
   patch.object(App, '_load_fonts'),
   patch.object(App, '_post_init'),
   patch.object(App, '_prune_old_logs'),
-  patch.object(App, '_init_ai_and_hooks')
+  patch.object(App, '_init_ai_and_hooks'),
+  patch('gui_2.PerformanceMonitor')
  ):
-  return App()
+  app = App()
+  yield app
+  if hasattr(app, 'shutdown'):
+   app.shutdown()
 
 @pytest.fixture
 def app_instance() -> Generator[App, None, None]:
@@ -123,7 +130,8 @@ def app_instance() -> Generator[App, None, None]:
   patch.object(App, '_load_fonts'),
   patch.object(App, '_post_init'),
   patch.object(App, '_prune_old_logs'),
-  patch.object(App, '_init_ai_and_hooks')
+  patch.object(App, '_init_ai_and_hooks'),
+  patch('gui_2.PerformanceMonitor')
  ):
   app = App()
   yield app
@@ -171,6 +179,11 @@ def live_gui() -> Generator[tuple[subprocess.Popen, str], None, None]:
  (temp_workspace / "manual_slop.toml").write_text("[project]\nname = 'TestProject'\n", encoding="utf-8")
  (temp_workspace / "conductor" / "tracks").mkdir(parents=True, exist_ok=True)
  
+ # Preserve GUI layout for tests
+ layout_file = Path("manualslop_layout.ini")
+ if layout_file.exists():
+  shutil.copy2(layout_file, temp_workspace / layout_file.name)
+ 
  # Check if already running (shouldn't be)
  try:
   resp = requests.get("http://127.0.0.1:8999/status", timeout=0.1)
@@ -180,7 +193,8 @@ def live_gui() -> Generator[tuple[subprocess.Popen, str], None, None]:
 
  print(f"\n[Fixture] Starting {gui_script} --enable-test-hooks in {temp_workspace}...")
  os.makedirs("logs", exist_ok=True)
- log_file = open(f"logs/{gui_script.replace('.', '_')}_test.log", "w", encoding="utf-8")
+ log_file_name = Path(gui_script).name.replace('.', '_')
+ log_file = open(f"logs/{log_file_name}_test.log", "w", encoding="utf-8")
  
  # Use environment variable to point to temp config if App supports it,
  # or just run from that CWD.