feat: enhance dialog and drawer components with new styles and functionality

- Updated Dialog component to support fullscreen mode and added a back button.
- Introduced Drawer component for side navigation with customizable size and position.
- Added DialogStyleContext for managing dialog style preferences including smart mode and drawer settings.
- Implemented pending question service for managing persistent storage of pending questions.
- Enhanced WebSocket handling to request pending questions upon frontend readiness.
- Created dashboard launcher utility to manage the Dashboard server lifecycle.

ccw/frontend/src/hooks/useWebSocket.ts

@@ -440,6 +440,12 @@ export function useWebSocket(options: UseWebSocketOptions = {}): UseWebSocketRet
         s.setWsStatus('connected');
         s.resetReconnectAttempts();
         reconnectDelayRef.current = RECONNECT_DELAY_BASE;
+
+        // Request any pending questions from backend
+        ws.send(JSON.stringify({
+          type: 'FRONTEND_READY',
+          payload: { action: 'requestPendingQuestions' }
+        }));
       };
 
       ws.onmessage = handleMessage;