feat: 新增效能分析看板（个人能力图谱 + 设备人员耗时对比）

- 前端：AnalyticsDashboard 页面 + BaseEChart 封装 + analyticsApi，路由与导航
- 后端：/analytics 系列接口（capability/flow/options/device-records）
- 能力图谱单机颗粒度、流转对比按人堆叠识别瓶颈、点击下钻备注、筛选动态联动
- 依赖：引入 echarts，移除 echarts-for-react

frontend/src/components/layout/AdminLayout.tsx

@@ -1,5 +1,5 @@
 import { NavLink, Outlet, useLocation, useNavigate, Navigate } from "react-router-dom";
-import { QrCode, Package, ArrowLeft, LayoutDashboard, Smartphone, GitBranch, LogOut, User, Users } from "lucide-react";
+import { QrCode, Package, ArrowLeft, LayoutDashboard, Smartphone, GitBranch, LogOut, User, Users, BarChart3 } from "lucide-react";
 import { useAuth } from "../../contexts/AuthContext";
 
 const MENU = [
@@ -27,6 +27,12 @@ const MENU = [
     icon: Users,
     description: "按负责人查看在制品设备分布",
   },
+  {
+    title: "效能分析",
+    path: "/admin/analytics",
+    icon: BarChart3,
+    description: "人员效能 / 设备流转 ECharts 可视化",
+  },
 ];
 
 export default function AdminLayout() {