Enable multiple llms

web/src/hooks/useWebSocket.jsx

@@ -1,5 +1,10 @@
 import { useState, useEffect, useRef, useCallback } from 'react';
-import { WebSocketState, MessageType } from '../constants';
+
+export const WebSocketState = {
+  CONNECTING: 'CONNECTING',
+  CONNECTED: 'CONNECTED',
+  DISCONNECTED: 'DISCONNECTED',
+};
 
 export const useWebSocket = (url) => {
   const [wsState, setWsState] = useState(WebSocketState.DISCONNECTED);