wow this ai messed up.

tests/test_gui_phase4.py

@@ -77,7 +77,16 @@ def test_delete_ticket_logic(mock_app: App):
    return label == "Delete##T-001"
   mock_imgui.button.side_effect = button_side_effect
   mock_imgui.tree_node_ex.return_value = True
-  mock_imgui.get_window_draw_list.return_value.add_rect_filled = MagicMock()
+  # Ensure get_color_u32 returns an integer to satisfy real C++ objects
+  mock_imgui.get_color_u32.return_value = 0xFFFFFFFF
+  # Ensure get_window_draw_list returns a fully mocked object
+  mock_draw_list = MagicMock()
+  mock_imgui.get_window_draw_list.return_value = mock_draw_list
+  mock_draw_list.add_rect_filled = MagicMock()
+  
+  # Mock ImVec2/ImVec4 types if vec4 creates real ones
+  mock_imgui.ImVec2 = MagicMock
+  mock_imgui.ImVec4 = MagicMock
   
   with patch.object(mock_app, '_push_mma_state_update') as mock_push:
    # Render T-001