refactor: 全面重构前端 Dashboard 为 TDesign + TanStack Query 分组表格布局

- 卡片式布局改为分组 PrimaryTable，Modal 改为 Drawer
- 手写 hooks 替换为 TanStack Query（轮询/缓存/条件查询）
- CSS 607行精简至73行，颜色迁移至 TDesign tokens
- 可用率进度条颜色按 10% 一档红→绿渐变
- 新增纯函数测试 34 项全通过（排序/筛选/色阶阈值）
- 同步更新主 specs 并归档变更文档

package.json

@@ -21,6 +21,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
+    "@tanstack/react-query-devtools": "^5.100.10",
     "@types/bun": "^1.3.13",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
@@ -34,11 +35,14 @@
     "vite": "^8.0.11"
   },
   "dependencies": {
+    "@tanstack/react-query": "^5.100.10",
     "@xmldom/xmldom": "^0.9.10",
     "cheerio": "^1.2.0",
     "react": "^19.2.6",
     "react-dom": "^19.2.6",
     "recharts": "^3.8.1",
+    "tdesign-icons-react": "^0.6.4",
+    "tdesign-react": "^1.16.9",
     "xpath": "^0.0.34"
   }
 }