HF Spaces: initialize backend ConversationService on startup

frontend/react_gradio_hybrid.py

@@ -21,6 +21,8 @@ sys.path.insert(0, str(project_root / "frontend"))
 from config.settings import get_settings
 from websocket_manager import WebSocketManager, ManagerState
 from backend.api.main import app as backend_app
+from backend.api.conversation_ws import manager as backend_ws_manager
+from backend.api.conversation_service import initialize_conversation_service
 
 # Load settings
 settings = get_settings()
@@ -36,6 +38,11 @@ app = FastAPI(title="AI Survey Simulator - React Frontend")
 # Mount backend API under /api so the Space can run as a single process
 app.mount("/api", backend_app)
 
+@app.on_event("startup")
+async def initialize_backend_services():
+    """Initialize backend services when running the mounted backend inside this app."""
+    initialize_conversation_service(backend_ws_manager, settings)
+
 # Enable CORS for local development
 app.add_middleware(
     CORSMiddleware,