接收hello消息中的features信息

main/xiaozhi-server/core/connection.py

@@ -142,6 +142,8 @@ class ConnectionHandler:
         )  # 在原来第一道关闭的基础上加60秒，进行二道关闭
 
         self.audio_format = "opus"
+        # {"mcp":true} 表示启用MCP功能
+        self.features = None
 
     async def handle_connection(self, ws):
         try:

main/xiaozhi-server/core/handle/helloHandle.py

@@ -31,6 +31,10 @@ async def handleHelloMessage(conn, msg_json):
         if conn.asr is not None:
             conn.asr.set_audio_format(format)
         conn.welcome_msg["audio_params"] = audio_params
+    features = msg_json.get("features")
+    if features:
+        conn.logger.bind(tag=TAG).info(f"客户端特性: {features}")
+        conn.features = features
 
     await conn.websocket.send(json.dumps(conn.welcome_msg))