gemini quota exhausted: fixing regressions in test suite

src/gui_2.py

@@ -119,12 +119,13 @@ class App:
   # --- Initialization ---
   self.controller.init_state()
   from src.hot_reloader import HotReloader, HotModule
-  HotReloader.register(HotModule(
-   name='src.gui_2',
-   file_path=__file__,
-   state_keys=['active_discussion', 'show_windows', 'ui_file_paths', 'ui_screenshot_paths', 'disc_entries', 'disc_roles'],
-   delegation_targets=['_render_main_interface', '_render_discussion_hub', '_render_files_and_media', '_render_ai_settings_hub', '_render_operations_hub', '_render_mma_dashboard']
-  ))
+  if 'src.gui_2' not in HotReloader.HOT_MODULES:
+   HotReloader.register(HotModule(
+    name='src.gui_2',
+    file_path=__file__,
+    state_keys=['active_discussion', 'show_windows', 'ui_file_paths', 'ui_screenshot_paths', 'disc_entries', 'disc_roles'],
+    delegation_targets=['_render_main_interface', '_render_discussion_hub', '_render_files_and_media', '_render_ai_settings_hub', '_render_operations_hub', '_render_mma_dashboard']
+   ))
   self.workspace_manager = workspace_manager.WorkspaceManager(project_root=self.controller.active_project_root)
   self.disc_entries = self.controller.disc_entries
   self.disc_roles = self.controller.disc_roles

src/hot_reloader.py

@@ -18,6 +18,8 @@ class HotReloader:
 
     @classmethod
     def register(cls, module: HotModule) -> None:
+        if module.name in cls.HOT_MODULES:
+            raise ValueError(f"Module {module.name} already registered")
         cls.HOT_MODULES[module.name] = module
 
     @classmethod