优化相关逻辑

main/xiaozhi-server/core/connection.py

@@ -192,6 +192,8 @@ class ConnectionHandler:
 
         # 初始化通话状态
         self.calling = False
+        # 标记当前是否为来电接听模式
+        self.incoming_call = None
 
     async def handle_connection(self, ws: websockets.ServerConnection):
         try:

main/xiaozhi-server/core/handle/textHandler/listenMessageHandler.py

@@ -64,6 +64,9 @@ class ListenTextMessageHandler(TextMessageHandler):
                     call_text = original_text[len("[device_call]"):].strip()
                     conn.logger.bind(tag=TAG).info(f"收到设备呼叫指令: {call_text}")
 
+                    # 标记为来电接听模式
+                    conn.incoming_call = True
+
                     # 准备开始新会话
                     conn.sentence_id = uuid.uuid4().hex