feat(frontend): 控制台 next-intl 中英双语

接入无 URL 前缀的 zh-CN/en，顶栏与外观设置可切换语言；选择写入 cookie 后刷新生效。

frontend/app/(main)/pages/components/project-list-item.tsx

@@ -2,6 +2,7 @@
 
 import Link from 'next/link';
 import { ChevronRight } from 'lucide-react';
+import { useTranslations } from 'next-intl';
 
 import { Badge } from '@/components/ui/badge';
 import type { PagesProject } from '@/lib/services/openflare';
@@ -12,6 +13,7 @@ interface ProjectListItemProps {
 }
 
 export function ProjectListItem({ project }: ProjectListItemProps) {
+  const t = useTranslations('pages');
   return (
     <Link
       href={`/pages/detail?id=${project.id}`}
@@ -22,10 +24,10 @@ export function ProjectListItem({ project }: ProjectListItemProps) {
           <div className='flex flex-wrap items-center gap-2'>
             <h2 className='text-base font-semibold'>{project.name}</h2>
             <Badge variant='outline' className='text-[10px]'>
-              {project.enabled ? '已启用' : '已停用'}
+              {project.enabled ? t('enabled') : t('disabled')}
             </Badge>
             <Badge variant='outline' className='text-[10px]'>
-              {project.spa_fallback_enabled ? 'SPA fallback' : '严格 404'}
+              {project.spa_fallback_enabled ? t('spaFallback') : t('strict404')}
             </Badge>
           </div>
           <p className='text-sm text-muted-foreground'>{project.slug}</p>
@@ -37,24 +39,24 @@ export function ProjectListItem({ project }: ProjectListItemProps) {
         </div>
 
         <div className='rounded-lg border border-dashed px-4 py-3 text-sm md:min-w-36'>
-          <p className='text-xs text-muted-foreground'>当前激活</p>
+          <p className='text-xs text-muted-foreground'>{t('currentActive')}</p>
           <p className='mt-1 font-semibold'>
             {project.active_deployment
               ? `#${project.active_deployment.deployment_number}`
-              : '暂无'}
+              : t('none')}
           </p>
         </div>
       </div>
 
       <div className='mt-4 flex items-center justify-between border-t border-dashed pt-3 text-xs text-muted-foreground'>
         <span>
-          激活时间：
+          {t('activatedAt')}
           {project.active_deployment?.activated_at
             ? formatDateTime(project.active_deployment.activated_at)
-            : '未激活'}
+            : t('notActivated')}
         </span>
         <span className='inline-flex items-center text-primary group-hover:translate-x-0.5 transition-transform'>
-          查看详情
+          {t('viewDetail')}
           <ChevronRight className='size-3.5 ml-0.5' />
         </span>
       </div>