fix(chat): 调整输入交互并加固 WS/告警处理

_Core/managers/ChatManager.gd

@@ -126,6 +126,10 @@ var _game_token: String = ""
 const SELF_ECHO_DEDUPE_WINDOW: float = 10.0
 var _pending_self_messages: Array[Dictionary] = []
 
+# 空消息类型告警限频（避免日志刷屏）
+const EMPTY_MESSAGE_TYPE_WARNING_INTERVAL: float = 10.0
+var _last_empty_message_type_warning_at: float = -1000.0
+
 # ============================================================================
 # 生命周期方法
 # ============================================================================
@@ -489,12 +493,22 @@ func _on_data_received(message: String) -> void:
 		push_error("ChatManager: JSON 解析失败")
 		return
 
-	var data: Dictionary = json.data
+	var data_variant: Variant = json.data
+	if not (data_variant is Dictionary):
+		push_warning("ChatManager: 收到非对象消息，已忽略")
+		return
 
-	# 检查消息类型字段
-	var message_type: String = data.get("t", "")
+	var data: Dictionary = data_variant
+
+	# 兼容不同后端字段命名：t / type
+	var message_type: String = str(data.get("t", data.get("type", ""))).strip_edges()
+	if message_type.is_empty():
+		_warn_empty_message_type_limited(data)
+		return
 
 	match message_type:
+		"connected":
+			pass
 		"login_success":
 			_handle_login_success(data)
 		"login_error":
@@ -509,9 +523,22 @@ func _on_data_received(message: String) -> void:
 			_handle_chat_render(data)
 		"position_updated":
 			_handle_position_updated(data)
+		"error":
+			_handle_error_response(data)
 		_:
 			push_warning("ChatManager: 未处理的消息类型 %s" % message_type)
 
+func _warn_empty_message_type_limited(data: Dictionary) -> void:
+	var now: float = Time.get_unix_time_from_system()
+	if now - _last_empty_message_type_warning_at < EMPTY_MESSAGE_TYPE_WARNING_INTERVAL:
+		return
+
+	_last_empty_message_type_warning_at = now
+	var payload_preview: String = JSON.stringify(data)
+	if payload_preview.length() > 180:
+		payload_preview = payload_preview.substr(0, 180) + "..."
+	push_warning("ChatManager: 收到未带消息类型的消息，已忽略 payload=%s" % payload_preview)
+
 # 处理登录成功
 func _handle_login_success(data: Dictionary) -> void:
 	_is_logged_in = true