Make internal close command non-representable in python and skill

skillbridge/client/channel.py

@@ -147,6 +147,7 @@ def _receive_only(self) -> str:
             ) from None
 
         if not received_length_raw:
+            breakpoint()
             raise RuntimeError("The server unexpectedly died")
         received_length = int(received_length_raw)
         response = b''.join(self._receive_all(received_length)).decode()
@@ -167,7 +168,7 @@ def try_repair(self) -> Exception | str:
 
     def close(self) -> None:
         if self.connected:
-            self.socket.sendall(b'         5close')
+            self.socket.sendall(b'         5$close')
             self.socket.close()
             self.connected = False
 

skillbridge/server/python_server.py

@@ -123,7 +123,7 @@ def handle_one_request(self) -> bool:
 
         logger.debug(f"received {len(command)} bytes")
 
-        if command.startswith(b'close'):
+        if command.startswith(b'$close'):
             logger.debug(f"client {self.client_address} disconnected")
             return False
         logger.debug(f"got data {command[:1000].decode()}")