refactor: 迁移 UI 组件库从 Ant Design 至 TDesign

- 替换 antd 为 tdesign-react 作为主要 UI 组件库
- 引入 Recharts 替代 @ant-design/charts 实现图表功能
- 移除主题系统相关代码（ThemeContext、themes 目录）
- 更新所有组件以适配 TDesign 组件 API
- 更新测试用例以匹配新的组件实现
- 新增 TDesign 和 Recharts 集成规范文档

frontend/package.json

@@ -14,15 +14,14 @@
     "test:e2e": "playwright test"
   },
   "dependencies": {
-    "@ant-design/charts": "^2.6.7",
-    "@ant-design/icons": "^6.1.1",
     "@tanstack/react-query": "^5.80.2",
-    "antd": "^6.3.5",
-    "antd-style": "^4.1.0",
     "clsx": "^2.1.1",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
-    "react-router": "^7.6.1"
+    "react-router": "^7.6.1",
+    "recharts": "^3.8.1",
+    "tdesign-icons-react": "^0.6.4",
+    "tdesign-react": "^1.16.8"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.4",