新交互逻辑，长按/短按

takway/clients/client_utils.py

@@ -117,6 +117,12 @@ class BaseWebSocketClient:
         '''
         self.websocket = create_connection(self.server_url)
         
+    def close_client(self):
+        '''
+        Close the client.
+        '''
+        self.websocket.close()
+    
     def send_per_data(self, 
         text: str = '',
         audio: bytes = b'',