refactor: 移除SocketIOClient并更新认证场景

- 移除SocketIOClient.gd及.uid文件
- 更新ChatManager以适配新的架构
- 添加认证UI图片资源和背景音乐
- 优化AuthScene布局和配置
- 更新MainScene和项目配置

scenes/MainScene.gd

@@ -90,6 +90,7 @@ func _on_login_success(username: String):
 	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）
+	# 注意：token 已在 AuthScene._on_controller_login_success 中设置
 	print("🔌 开始连接聊天服务器...")
 	ChatManager.connect_to_chat_server()
 

scenes/ui/AuthScene.tscn

@@ -1,10 +1,14 @@
-[gd_scene load_steps=10 format=3 uid="uid://by7m8snb4xllf"]
+[gd_scene load_steps=13 format=3 uid="uid://by7m8snb4xllf"]
 
 [ext_resource type="Texture2D" uid="uid://bx17oy8lvaca4" path="res://assets/ui/auth/bg_auth_scene.png" id="1_background"]
-[ext_resource type="Texture2D" uid="uid://b6wlro1vixo8a" path="res://assets/ui/auth/清空内部组件的登录框架 (1).png" id="3_26vyf"]
 [ext_resource type="Script" uid="uid://b514h2wuido0h" path="res://scenes/ui/AuthScene.gd" id="3_script"]
+[ext_resource type="Texture2D" uid="uid://dyma4hpodhdxi" path="res://assets/ui/auth/登录背景.png" id="3_wh4n4"]
+[ext_resource type="Texture2D" uid="uid://cnrffaqbtw8f5" path="res://assets/ui/auth/输入框.png" id="4_lnw07"]
 
-[sub_resource type="StyleBoxEmpty" id="StyleBoxEmpty_1"]
+[sub_resource type="StyleBoxEmpty" id="StyleBoxEmpty_26vyf"]
+
+[sub_resource type="StyleBoxTexture" id="StyleBoxTexture_cjyup"]
+texture = ExtResource("4_lnw07")
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_hover"]
 bg_color = Color(0.3, 0.6, 0.9, 1)
@@ -59,6 +63,8 @@ Button/styles/hover = SubResource("StyleBoxFlat_hover")
 Button/styles/normal = SubResource("StyleBoxFlat_normal")
 Button/styles/pressed = SubResource("StyleBoxFlat_pressed")
 
+[sub_resource type="StyleBoxEmpty" id="StyleBoxEmpty_1"]
+
 [node name="AuthScene" type="Control"]
 layout_mode = 3
 anchors_preset = 15
@@ -81,22 +87,14 @@ texture = ExtResource("1_background")
 expand_mode = 1
 stretch_mode = 6
 
-[node name="WhaleFrame" type="TextureRect" parent="."]
+[node name="ColorRect" type="ColorRect" parent="."]
+modulate = Color(0.84313726, 0.92941177, 0.98039216, 0.47058824)
 layout_mode = 1
-anchors_preset = 8
-anchor_left = 0.5
-anchor_top = 0.5
-anchor_right = 0.5
-anchor_bottom = 0.5
-offset_left = -300.0
-offset_top = -300.0
-offset_right = 300.0
-offset_bottom = 300.0
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
-texture = ExtResource("3_26vyf")
-expand_mode = 1
-stretch_mode = 5
 
 [node name="CenterContainer" type="CenterContainer" parent="."]
 layout_mode = 1
@@ -112,35 +110,45 @@ offset_bottom = 236.0
 grow_horizontal = 2
 grow_vertical = 2
 
-[node name="LoginPanel" type="Panel" parent="CenterContainer"]
-custom_minimum_size = Vector2(350, 400)
+[node name="WhaleFrame" type="TextureRect" parent="CenterContainer"]
+custom_minimum_size = Vector2(500, 0)
 layout_mode = 2
-theme_override_styles/panel = SubResource("StyleBoxEmpty_1")
+texture = ExtResource("3_wh4n4")
+expand_mode = 4
+stretch_mode = 5
+
+[node name="LoginPanel" type="Panel" parent="CenterContainer"]
+custom_minimum_size = Vector2(300, 0)
+layout_mode = 2
+theme_override_styles/panel = SubResource("StyleBoxEmpty_26vyf")
 
 [node name="VBoxContainer" type="VBoxContainer" parent="CenterContainer/LoginPanel"]
 layout_mode = 1
-anchors_preset = 15
-anchor_right = 1.0
-anchor_bottom = 1.0
-offset_left = 30.0
-offset_top = 30.0
-offset_right = -30.0
-offset_bottom = -30.0
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -140.0
+offset_top = -185.5
+offset_right = 140.0
+offset_bottom = 185.5
 grow_horizontal = 2
 grow_vertical = 2
 
 [node name="TitleLabel" type="Label" parent="CenterContainer/LoginPanel/VBoxContainer"]
 layout_mode = 2
 theme_override_colors/font_color = Color(0, 0, 0, 1)
-theme_override_font_sizes/font_size = 24
+theme_override_colors/font_shadow_color = Color(0.011764706, 0.12156863, 0.101960786, 0)
+theme_override_font_sizes/font_size = 32
 text = "Whaletown"
 horizontal_alignment = 1
 vertical_alignment = 1
 
 [node name="SubtitleLabel" type="Label" parent="CenterContainer/LoginPanel/VBoxContainer"]
 layout_mode = 2
-theme_override_colors/font_color = Color(0, 0, 0, 1)
-theme_override_font_sizes/font_size = 14
+theme_override_colors/font_color = Color(0.53333336, 0.53333336, 0.53333336, 1)
+theme_override_font_sizes/font_size = 16
 text = "开始你的小镇之旅！"
 horizontal_alignment = 1
 vertical_alignment = 1
@@ -180,10 +188,13 @@ theme_override_font_sizes/font_size = 12
 text = "用户名不能为空"
 horizontal_alignment = 2
 
-[node name="UsernameInput" type="LineEdit" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/UsernameContainer"]
+[node name="UsernameInput" type="LineEdit" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm"]
+custom_minimum_size = Vector2(0, 48)
 layout_mode = 2
 theme_override_colors/font_color = Color(0, 0, 0, 1)
 theme_override_colors/font_placeholder_color = Color(0.5, 0.5, 0.5, 1)
+theme_override_colors/selection_color = Color(0.5, 0.5, 0.5, 1)
+theme_override_styles/normal = SubResource("StyleBoxTexture_cjyup")
 placeholder_text = "用户名/手机/邮箱"
 
 [node name="PasswordContainer" type="VBoxContainer" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm"]
@@ -552,6 +563,8 @@ theme = SubResource("Theme_button")
 text = "返回登录"
 
 [node name="ToastContainer" type="Control" parent="."]
+modulate = Color(0.84313726, 0.92941177, 0.98039216, 1)
+self_modulate = Color(0.84313726, 0.92941177, 0.9843137, 1)
 layout_mode = 1
 anchors_preset = 15
 anchor_right = 1.0