feat: update tag and timeline share panel copy for clarity and conciseness

style: enhance global CSS for better responsiveness of terminal chips and navigation pills

test: remove inline subscription test and add maintenance mode access code test

feat: implement media library picker dialog for selecting images from the media library

feat: add media URL controls for uploading and managing media assets

feat: add migration for music_enabled and maintenance_mode settings in site settings

feat: implement maintenance mode functionality with access control

feat: create maintenance page with access code input and error handling

chore: add TypeScript declaration for QR code module

admin/src/components/app-shell.tsx

@@ -106,12 +106,6 @@ const primaryNav = [
     description: '异步任务 / 队列控制台',
     icon: Workflow,
   },
-  {
-    to: '/audit',
-    label: '审计',
-    description: '后台操作审计日志',
-    icon: Settings,
-  },
   {
     to: '/settings',
     label: '设置',