chore: apply ruff auto-fixes and remove dead AST scripts

tests/test_log_management_ui.py

@@ -1,10 +1,8 @@
 import pytest
 from unittest.mock import MagicMock, patch
-import os
 from pathlib import Path
 
 # We can safely import gui_2 if we don't instantiate App without mocking its threads
-import gui_2
 from gui_2 import App
 
 @pytest.fixture
@@ -69,8 +67,8 @@ def test_render_log_management_logic(app_instance: App) -> None:
  patch("gui_2.imgui.begin") as mock_begin, \
  patch("gui_2.imgui.begin_table") as mock_begin_table, \
  patch("gui_2.imgui.text") as mock_text, \
- patch("gui_2.imgui.end_table") as mock_end_table, \
- patch("gui_2.imgui.end") as mock_end, \
+ patch("gui_2.imgui.end_table"), \
+ patch("gui_2.imgui.end"), \
  patch("gui_2.imgui.push_style_color"), \
  patch("gui_2.imgui.pop_style_color"), \
  patch("gui_2.imgui.table_setup_column"), \