feat(gui): Add kill button per worker in ticket queue table

tests/test_gui_kill_button.py

@@ -0,0 +1,39 @@
+import pytest
+from unittest.mock import MagicMock, patch
+
+def test_gui_has_kill_button_method():
+ from src.gui_2 import App
+ assert hasattr(App, '_cb_kill_ticket'), "App must have _cb_kill_ticket method"
+
+def test_render_ticket_queue_table_columns():
+ with patch("src.gui_2.imgui") as mock_imgui:
+  mock_imgui.begin_table.return_value = True
+  mock_imgui.table_setup_column = MagicMock()
+  mock_imgui.table_headers_row = MagicMock()
+  mock_imgui.table_next_row = MagicMock()
+  mock_imgui.table_next_column = MagicMock()
+  mock_imgui.button.return_value = False
+  mock_imgui.checkbox = MagicMock(return_value=(False, False))
+  mock_imgui.selectable = MagicMock(return_value=(False, False))
+  mock_imgui.begin_drag_drop_source = MagicMock(return_value=False)
+  mock_imgui.begin_drag_drop_target = MagicMock(return_value=False)
+  mock_imgui.text = MagicMock()
+  mock_imgui.end_table = MagicMock()
+  mock_imgui.begin_combo.return_value = False
+  mock_imgui.ComboFlags_.height_small = 0
+  mock_imgui.push_style_color = MagicMock()
+  mock_imgui.pop_style_color = MagicMock()
+  mock_imgui.same_line = MagicMock()
+  
+  from src.gui_2 import App
+  app = App.__new__(App)
+  app.active_track = MagicMock()
+  app.active_tickets = [{"id": "T-001", "priority": "medium", "status": "in_progress", "description": "Test task"}]
+  app.ui_selected_tickets = set()
+  app.ui_selected_ticket_id = None
+  app.controller = MagicMock()
+  app._push_mma_state_update = MagicMock()
+  app._cb_kill_ticket = MagicMock()
+  app._render_ticket_queue()
+  columns_called = [call[0][0] for call in mock_imgui.table_setup_column.call_args_list]
+  assert "Actions" in columns_called, f"Expected Actions column, got: {columns_called}"