Merge pull request #966 from GuangYiDing/feat/db-backup-restore

feat: 数据库定时备份与恢复（S3 兼容存储，支持 Cloudflare R2）

frontend/src/router/index.ts

@@ -350,6 +350,18 @@ const routes: RouteRecordRaw[] = [
       descriptionKey: 'admin.promo.description'
     }
   },
+  {
+    path: '/admin/backup',
+    name: 'AdminBackup',
+    component: () => import('@/views/admin/BackupView.vue'),
+    meta: {
+      requiresAuth: true,
+      requiresAdmin: true,
+      title: 'Database Backup',
+      titleKey: 'admin.backup.title',
+      descriptionKey: 'admin.backup.description'
+    }
+  },
   {
     path: '/admin/data-management',
     name: 'AdminDataManagement',