fix: 修复聊天系统编译错误

- 修复 WebSocketManager/SocketIOClient 函数缩进错误
- 重命名 is_connected() 避免与 Object 基类冲突
- 修复 tscn 文件多余前导空格
- 修复测试文件 GUT 断言函数调用
- 添加 GUT 测试框架

scenes/MainScene.gd

@@ -14,6 +14,7 @@ extends Control
 # 场景节点引用
 @onready var auth_scene: Control = $AuthScene
 @onready var main_game_ui: Control = $MainGameUI
+@onready var chat_ui: Control = %ChatUI
 @onready var user_label: Label = $MainGameUI/TopBar/HBoxContainer/UserLabel
 @onready var logout_button: Button = $MainGameUI/TopBar/HBoxContainer/LogoutButton
 
@@ -87,11 +88,21 @@ func _on_login_success(username: String):
 	# 登录成功后的处理
 	current_user = username
 	print("用户 ", username, " 登录成功！")
+	
+	# 连接到聊天服务器（在进入游戏界面之前）
+	print("🔌 开始连接聊天服务器...")
+	ChatManager.connect_to_chat_server()
+	
 	show_main_game()
 
 func _on_logout_pressed():
 	# 登出处理
 	current_user = ""
+	
+	# 断开聊天服务器连接
+	print("🔌 断开聊天服务器...")
+	ChatManager.disconnect_from_chat_server()
+	
 	show_auth_scene()
 
 # 游戏功能按钮处理

scenes/MainScene.tscn

@@ -2,6 +2,7 @@
 
 [ext_resource type="Script" path="res://scenes/MainScene.gd" id="1_script"]
 [ext_resource type="PackedScene" uid="uid://by7m8snb4xllf" path="res://scenes/ui/AuthScene.tscn" id="2_main"]
+[ext_resource type="PackedScene" uid="uid://bv7k2nan4xj8q" path="res://scenes/ui/ChatUI.tscn" id="3_chat_ui"]
 
 [node name="Main" type="Control"]
 layout_mode = 3

scenes/ui/AuthScene.gd

@@ -328,7 +328,7 @@ func _on_login_enter(_text: String):
 # ============ 控制器信号处理 ============
 
 # 登录成功处理
-func _on_controller_login_success(username: String):
+func _on_controller_login_success(username: String) -> void:
 	# 清空表单
 	login_username.text = ""
 	login_password.text = ""
@@ -336,7 +336,13 @@ func _on_controller_login_success(username: String):
 	_hide_field_error(login_username_error)
 	_hide_field_error(login_password_error)
 	_hide_field_error(login_verification_error)
-	
+
+	# 设置 token 给 ChatManager（用于 WebSocket 聊天认证）
+	var token: String = auth_manager.get_access_token()
+	if not token.is_empty():
+		ChatManager.set_game_token(token)
+		print("✅ 已设置 ChatManager token: ", token.substr(0, 20) + "...")
+
 	# 发送登录成功信号给上层
 	login_success.emit(username)
 

scenes/ui/ChatUI.gd

@@ -297,16 +297,17 @@ func _on_chat_error(data: Dictionary) -> void:
 
 	# 3秒后恢复状态
 	var timer := get_tree().create_timer(3.0)
-	timer.timeout.connect(func():
-		_update_connection_status(ChatManager.is_connected())
-	)
+	var 	timeout_callback := func():
+		_update_connection_status(ChatManager.is_chat_connected())
+	timer.timeout.connect(timeout_callback)
 
 # 处理连接状态变化
 func _on_connection_state_changed(data: Dictionary) -> void:
-	var state: WebSocketManager.ConnectionState = data.get("state", WebSocketManager.ConnectionState.DISCONNECTED)
+	var state_names := ["DISCONNECTED", "CONNECTING", "CONNECTED", "RECONNECTING", "ERROR"]
+	var state: int = data.get("state", 0)
 
 	match state:
-		WebSocketManager.ConnectionState.CONNECTED:
+		2:  # CONNECTED
 			_update_connection_status(true)
 		_:
 			_update_connection_status(false)

scenes/ui/ChatUI.tscn

@@ -1,8 +1,10 @@
-[gd_scene load_steps=2 format=3 uid="uid://bv7k2m9n4xj8q"]
+[gd_scene load_steps=3 format=3 uid="uid://bv7k2nan4xj8q"]
 
-[ext_resource type="Script" path="res://scenes/ui/ChatUI.gd" id="1"]
+[ext_resource type="Script" uid="uid://pibdlvhb12q8" path="res://scenes/ui/ChatUI.gd" id="1"]
+[ext_resource type="Texture2D" uid="uid://flepo0gpb55h" path="res://assets/ui/chat/缩略框背景.png" id="2_7dhmv"]
 
 [node name="ChatUI" type="Control"]
+custom_minimum_size = Vector2(10, 20)
 layout_mode = 3
 anchors_preset = 15
 anchor_right = 1.0
@@ -10,19 +12,28 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 mouse_filter = 2
+unique_name_in_owner = true
 script = ExtResource("1")
 
+[node name="TextureRect" type="TextureRect" parent="."]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 358.0
+offset_right = 460.0
+offset_bottom = 758.0
+texture = ExtResource("2_7dhmv")
+expand_mode = 1
+
 [node name="ChatPanel" type="Panel" parent="."]
 unique_name_in_owner = true
 layout_mode = 1
-anchors_preset = 3
-anchor_left = 1.0
+anchors_preset = 2
 anchor_top = 1.0
-anchor_right = 1.0
 anchor_bottom = 1.0
-offset_left = -450.0
-offset_top = -400.0
-grow_horizontal = 0
+offset_left = 10.0
+offset_top = -410.0
+offset_right = 460.0
+offset_bottom = -10.0
 grow_vertical = 0
 
 [node name="VBoxContainer" type="VBoxContainer" parent="ChatPanel"]
@@ -30,13 +41,13 @@ layout_mode = 1
 anchors_preset = 15
 anchor_right = 1.0
 anchor_bottom = 1.0
-grow_horizontal = 2
-grow_vertical = 2
-theme_override_constants/separation = 8
 offset_left = 10.0
 offset_top = 10.0
 offset_right = -10.0
 offset_bottom = -10.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/separation = 8
 
 [node name="HeaderContainer" type="HBoxContainer" parent="ChatPanel/VBoxContainer"]
 layout_mode = 2