feat(types): Complete strict static analysis and typing track

tests/test_gui2_mcp.py

@@ -1,9 +1,6 @@
-import pytest
 from unittest.mock import patch, MagicMock
-from typing import Generator
 from gui_2 import App
 import ai_client
-from events import EventEmitter
 
 def test_mcp_tool_call_is_dispatched(app_instance: App) -> None:
  """