feat(api): Add /api/gui/state endpoint and live_gui integration tests

tests/test_live_gui_integration.py

@@ -4,6 +4,7 @@ import asyncio
 import time
 from gui_2 import App
 from events import UserRequestEvent
+from api_hook_client import ApiHookClient
 
 @pytest.mark.timeout(10)
 @pytest.mark.asyncio
@@ -38,7 +39,9 @@ async def test_user_request_integration_flow(mock_app: App) -> None:
   mock_send.assert_called_once_with(
    "Context", "Hello AI", ".", [], "History",
    pre_tool_callback=ANY,
-   qa_callback=ANY
+   qa_callback=ANY,
+   stream=ANY,
+   stream_callback=ANY
   )
   # 4. Wait for the response to propagate to _pending_gui_tasks and update UI
   # We call _process_pending_gui_tasks manually to simulate a GUI frame update.
@@ -85,3 +88,22 @@ async def test_user_request_error_handling(mock_app: App) -> None:
     break
    await asyncio.sleep(0.1)
   assert success, f"Error state was not reflected in UI. status: {app.ai_status}, response: {app.ai_response}"
+
+def test_api_gui_state_live(live_gui) -> None:
+ client = ApiHookClient()
+ client.set_value('current_provider', 'anthropic')
+ client.set_value('current_model', 'claude-3-haiku-20240307')
+ 
+ start_time = time.time()
+ success = False
+ while time.time() - start_time < 10:
+  state = client.get_gui_state()
+  if state and state.get('current_provider') == 'anthropic' and state.get('current_model') == 'claude-3-haiku-20240307':
+   success = True
+   break
+  time.sleep(0.5)
+ 
+ assert success, f"GUI state did not update. Got: {client.get_gui_state()}"
+ final_state = client.get_gui_state()
+ assert final_state['current_provider'] == 'anthropic'
+ assert final_state['current_model'] == 'claude-3-haiku-20240307'