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/components/layout/AppSidebar.vue

@@ -387,6 +387,21 @@ const DatabaseIcon = {
     )
 }
 
+const CloudArrowUpIcon = {
+  render: () =>
+    h(
+      'svg',
+      { fill: 'none', viewBox: '0 0 24 24', stroke: 'currentColor', 'stroke-width': '1.5' },
+      [
+        h('path', {
+          'stroke-linecap': 'round',
+          'stroke-linejoin': 'round',
+          d: 'M12 16.5V9.75m0 0l3 3m-3-3l-3 3M6.75 19.5a4.5 4.5 0 01-1.41-8.775 5.25 5.25 0 0110.233-2.33 3 3 0 013.758 3.848A3.752 3.752 0 0118 19.5H6.75z'
+        })
+      ]
+    )
+}
+
 const BellIcon = {
   render: () =>
     h(
@@ -611,6 +626,7 @@ const adminNavItems = computed((): NavItem[] => {
   if (authStore.isSimpleMode) {
     const filtered = baseItems.filter(item => !item.hideInSimpleMode)
     filtered.push({ path: '/keys', label: t('nav.apiKeys'), icon: KeyIcon })
+    filtered.push({ path: '/admin/backup', label: t('nav.backup'), icon: CloudArrowUpIcon })
     filtered.push({ path: '/admin/data-management', label: t('nav.dataManagement'), icon: DatabaseIcon })
     filtered.push({ path: '/admin/settings', label: t('nav.settings'), icon: CogIcon })
     // Add admin custom menu items after settings
@@ -620,6 +636,7 @@ const adminNavItems = computed((): NavItem[] => {
     return filtered
   }
 
+  baseItems.push({ path: '/admin/backup', label: t('nav.backup'), icon: CloudArrowUpIcon })
   baseItems.push({ path: '/admin/data-management', label: t('nav.dataManagement'), icon: DatabaseIcon })
   baseItems.push({ path: '/admin/settings', label: t('nav.settings'), icon: CogIcon })
   // Add admin custom menu items after settings