refactor：重构认证场景和网络集成

- 重构AuthScene脚本，集成新的NetworkManager
- 优化用户界面布局和交互逻辑
- 改进错误处理和用户反馈机制
- 统一网络请求处理流程

scenes/auth_scene.tscn

@@ -221,6 +221,50 @@ theme_override_colors/font_placeholder_color = Color(0.5, 0.5, 0.5, 1)
 placeholder_text = "请输入密码"
 secret = true
 
+[node name="VerificationContainer" type="VBoxContainer" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm"]
+visible = false
+layout_mode = 2
+
+[node name="VerificationLabelContainer" type="HBoxContainer" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer"]
+layout_mode = 2
+
+[node name="VerificationLabel" type="Label" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer/VerificationLabelContainer"]
+layout_mode = 2
+theme_override_colors/font_color = Color(0, 0, 0, 1)
+text = "验证码"
+
+[node name="RequiredStar" type="Label" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer/VerificationLabelContainer"]
+layout_mode = 2
+theme_override_colors/font_color = Color(1, 0.2, 0.2, 1)
+text = " *"
+
+[node name="Spacer" type="Control" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer/VerificationLabelContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="VerificationError" type="Label" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer/VerificationLabelContainer"]
+visible = false
+layout_mode = 2
+theme_override_colors/font_color = Color(1, 0.2, 0.2, 1)
+theme_override_font_sizes/font_size = 12
+text = "请输入验证码"
+horizontal_alignment = 2
+
+[node name="VerificationInputContainer" type="HBoxContainer" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer"]
+layout_mode = 2
+
+[node name="VerificationInput" type="LineEdit" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer/VerificationInputContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_colors/font_color = Color(0, 0, 0, 1)
+theme_override_colors/font_placeholder_color = Color(0.5, 0.5, 0.5, 1)
+placeholder_text = "请输入6位验证码"
+max_length = 6
+
+[node name="GetCodeBtn" type="Button" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm/VerificationContainer/VerificationInputContainer"]
+layout_mode = 2
+text = "获取验证码"
+
 [node name="CheckboxContainer" type="HBoxContainer" parent="CenterContainer/LoginPanel/VBoxContainer/LoginForm"]
 layout_mode = 2
 
@@ -256,12 +300,6 @@ layout_mode = 2
 theme = SubResource("Theme_button")
 text = "密码登录"
 
-[node name="ToRegisterBtn" type="Button" parent="CenterContainer/LoginPanel/VBoxContainer/ButtonContainer"]
-custom_minimum_size = Vector2(100, 35)
-layout_mode = 2
-theme = SubResource("Theme_button")
-text = "验证码登录"
-
 [node name="BottomLinks" type="HBoxContainer" parent="CenterContainer/LoginPanel/VBoxContainer"]
 layout_mode = 2
 alignment = 1