feat: update

scripts/nakama_manager.gd

@@ -123,8 +123,16 @@ func connect_to_nakama_async(email: String = "", password: String = "") -> bool:
 			return false
 	elif socket_result.is_exception():
 		var err = socket_result.get_exception()
-		printerr("[NakamaManager] Socket Error: %s (Code: %s)" % [err.message, err.status_code])
-		emit_signal("connection_failed", err.message)
+		var err_msg = "Socket connection failed"
+		if err and not err.message.is_empty():
+			err_msg = err.message
+		elif err and err.status_code >= 0:
+			err_msg = "Socket connection failed with code %s" % err.status_code
+		printerr("[NakamaManager] Socket Error: %s (Code: %s)" % [err_msg, err.status_code if err else -1])
+		emit_signal("connection_failed", err_msg)
+		if socket:
+			socket.close()
+			socket = null
 		return false
 
 	# 3. Initialize Multiplayer Bridge