feat(前端状态): 添加运维监控状态管理和路由

- 新增 adminSettings store 管理 ops 配置状态
- 注册 adminSettings store 到全局 store
- 添加 ops 监控相关路由（dashboard, alerts, realtime, settings）

frontend/src/router/index.ts

@@ -163,6 +163,18 @@ const routes: RouteRecordRaw[] = [
       descriptionKey: 'admin.dashboard.description'
     }
   },
+  {
+    path: '/admin/ops',
+    name: 'AdminOps',
+    component: () => import('@/views/admin/ops/OpsDashboard.vue'),
+    meta: {
+      requiresAuth: true,
+      requiresAdmin: true,
+      title: 'Ops Monitoring',
+      titleKey: 'admin.ops.title',
+      descriptionKey: 'admin.ops.description'
+    }
+  },
   {
     path: '/admin/users',
     name: 'AdminUsers',