feat(log-center): 日志中心 v4 全量组件 — 统一查询面板/时间选择器/统计图表/聚类/数据源管理

frontend/src/components/layout/Sidebar.tsx

@@ -38,6 +38,7 @@ import {
   Rocket,
   ShieldCheck,
   FileSearch,
+  HardDrive,
   LogIn,
   ScrollText,
 } from 'lucide-react';
@@ -125,8 +126,9 @@ const menuItems: MenuItem[] = [
   {
     id: 'log-center', name: '日志中心', icon: ScrollText, permission: 'monitor:alert',
     children: [
-      { id: 'log-loki', name: 'Loki', icon: FileSearch, path: '/log-center/loki', permission: 'monitor:alert' },
-      { id: 'log-es', name: 'ES', icon: Database, path: '/log-center/es', permission: 'monitor:alert' },
+      { id: 'log-loki', name: 'Loki查询', icon: FileSearch, path: '/log-center/loki', permission: 'monitor:alert' },
+      { id: 'log-es', name: 'ES查询', icon: Database, path: '/log-center/es', permission: 'monitor:alert' },
+      { id: 'log-datasources', name: '日志库', icon: HardDrive, path: '/log-center/datasources', permission: 'monitor:alert' },
       { id: 'log-alerts', name: '日志告警', icon: AlertTriangle, path: '/log-center/alerts', permission: 'monitor:alert' },
     ],
   },