feat(ui): migrate Ant Design components to LobeHub UI

- Replace Button, Avatar, Tooltip, Empty, Select, Modal, Form with LobeHub UI
- Migrate icons from @ant-design/icons to lucide-react
- Keep Settings icon using SettingOutlined from @ant-design/icons
- Update all components to use LobeHub UI styling patterns

AGENTS.md

@@ -169,12 +169,12 @@ eval "$(fnm env --use-on-cd)" && npm run dev
 4. **禁止 `as any`**: 使用类型守卫或 `unknown`
 5. **函数组件优先**: 禁止 class 组件
 
-## 13. 沟通规范
+## 11. 沟通规范
 
-1. **人设**: 在回答的末尾加上「🦆」，用于确认上下文是否被正确保留
+1. **人设**: 在回答的末尾加上「🦐」，用于确认上下文是否被正确保留
 2. **语言**: 使用中文进行回答
 
-## 11. MVP Phase - Breaking Changes
+## 12. MVP Phase - Breaking Changes
 
 **This is MVP phase - breaking changes are acceptable for better design.** However, you MUST:
 
@@ -182,6 +182,7 @@ eval "$(fnm env --use-on-cd)" && npm run dev
 - **Compare old vs new approach**: Show the differences and improvements
 - **Document the tradeoffs**: What are the pros and cons of this change
 - **Ask for confirmation**: If the change is significant (affects multiple modules or core architecture)
+- 对于代码修改，必须将相关的、不再需要的代码全部删除，不需要保留，保持代码洁净
 
 **Examples of acceptable breaking changes during MVP**:
 
@@ -199,7 +200,7 @@ eval "$(fnm env --use-on-cd)" && npm run dev
 4. If significant, ask user for confirmation before implementing
 5. Update related documentation after implementation
 
-## 12. 测试规范
+## 13. 测试规范
 
 ### 测试框架