v0.12.0 PG 16→18.6 + 备份系统（pg_basebackup 全量/增量+S3 归档+保留链）+ RBAC 用户分层（content/commerce/system）

src/routes/admin.tsx

@@ -7,6 +7,7 @@ import { createFileRoute, Outlet, useNavigate, useRouter, useRouterState } from
 import { App, Avatar, Button, Card, ConfigProvider, Form, Input, Layout, Menu, Space, Tag } from "antd";
 import { LockKeyhole } from "lucide-react";
 import {
+  DatabaseBackup,
   Files,
   Inbox,
   Image as ImageIcon,
@@ -56,6 +57,7 @@ const MENU_GROUPS: { label: string; children: { key: string; icon: ReactNode; la
       { key: "/admin/seo/", icon: <RouteIcon size={16} aria-hidden />, label: "SEO / 重定向" },
       { key: "/admin/users/", icon: <UserRound size={16} aria-hidden />, label: "用户" },
       { key: "/admin/settings/", icon: <Settings size={16} aria-hidden />, label: "系统设置" },
+      { key: "/admin/backups/", icon: <DatabaseBackup size={16} aria-hidden />, label: "备份" },
       { key: "/admin/audit/", icon: <ScrollText size={16} aria-hidden />, label: "审计日志" },
     ],
   },