feat(admin): account governance and user sync pages

Co-Authored-By: Claude Code <noreply@anthropic.com>

apps/admin/src/router/modules/index.ts

@@ -1,9 +1,10 @@
 import { AppRouteRecord } from '@/types/router'
 import { albumsRoutes } from './albums'
+import { systemRoutes } from './system'
 
 /**
  * 导出所有模块化路由
  * @photo/admin 裁剪：模板演示路由（dashboard/template/widgets/examples/system/
  * article/result/exception/safeguard/help）已移除，仅保留业务菜单。
  */
-export const routeModules: AppRouteRecord[] = [albumsRoutes]
+export const routeModules: AppRouteRecord[] = [albumsRoutes, systemRoutes]

apps/admin/src/router/modules/system.ts

@@ -0,0 +1,36 @@
+/**
+ * 账号治理路由（P4a Task 8：账号管理 + 用户同步）
+ */
+import { AppRouteRecord } from '@/types/router'
+
+export const systemRoutes: AppRouteRecord = {
+  name: 'System',
+  path: '/system',
+  component: '/index/index',
+  meta: {
+    title: 'menus.system.title',
+    icon: 'ri:shield-user-line'
+  },
+  children: [
+    {
+      path: 'users',
+      name: 'SystemUsers',
+      component: '/system/users',
+      meta: {
+        title: 'menus.system.users',
+        icon: 'ri:user-settings-line',
+        keepAlive: false
+      }
+    },
+    {
+      path: 'user-sync',
+      name: 'SystemUserSync',
+      component: '/system/user-sync',
+      meta: {
+        title: 'menus.system.userSync',
+        icon: 'ri:refresh-line',
+        keepAlive: false
+      }
+    }
+  ]
+}