feat: 数据概览改为以图表为主，移除表格

安装 recharts，将 DashboardPage 所有数据展示替换为图表：
- 匹配状态分布 → 环形饼图（PieChart，4色区分符合/不符合/待审核/需补充）
- 试验招募状态 → 环形饼图（招募中 vs 其他）
- 最近批量匹配 → 柱状图（BarChart，完成对数/失败对数分色展示）
- 系统关键指标 → 径向进度图（RadialBarChart，三项指标同轴对比）
- 移除所有 Table/LinearProgress 进度条展示
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/package.json

@@ -8,24 +8,25 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@emotion/react": "^11.11.0",
+    "@emotion/styled": "^11.11.0",
+    "@mui/icons-material": "^6.0.0",
+    "@mui/material": "^6.0.0",
+    "@mui/x-data-grid": "^7.0.0",
+    "axios": "^1.7.0",
     "react": "^18.3.0",
     "react-dom": "^18.3.0",
     "react-router-dom": "^6.23.0",
-    "@mui/material": "^6.0.0",
-    "@mui/x-data-grid": "^7.0.0",
-    "@mui/icons-material": "^6.0.0",
-    "@emotion/react": "^11.11.0",
-    "@emotion/styled": "^11.11.0",
-    "axios": "^1.7.0"
+    "recharts": "^3.7.0"
   },
   "devDependencies": {
     "@types/react": "^18.3.0",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^4.3.0",
-    "typescript": "^5.4.0",
-    "vite": "^5.2.0",
-    "tailwindcss": "^3.4.0",
+    "autoprefixer": "^10.4.0",
     "postcss": "^8.4.0",
-    "autoprefixer": "^10.4.0"
+    "tailwindcss": "^3.4.0",
+    "typescript": "^5.4.0",
+    "vite": "^5.2.0"
   }
 }