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)/admin/logs/page-client.tsx

@@ -2,6 +2,7 @@
 
 import dynamic from 'next/dynamic';
 import { Activity, BarChart3, Terminal } from 'lucide-react';
+import { useTranslations } from 'next-intl';
 
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
 
@@ -26,13 +27,16 @@ const AppLogs = dynamic(
 );
 
 export function LogsPageClient() {
+  const t = useTranslations('admin.logs');
   return (
     <div className='flex flex-col h-full space-y-6 py-6'>
       {/* Header */}
       <div className='flex items-center gap-2'>
         <Terminal className='size-5 text-primary' />
         <div>
-          <h1 className='text-2xl font-semibold tracking-tight'>系统日志</h1>
+          <h1 className='text-2xl font-semibold tracking-tight'>
+            {t('pageTitle')}
+          </h1>
         </div>
       </div>
       {/* Tabs Layout */}
@@ -43,21 +47,21 @@ export function LogsPageClient() {
             className='px-0 pb-2 text-xs font-semibold flex items-center gap-1.5'
           >
             <BarChart3 className='size-3.5' />
-            访问分析
+            {t('accessAnalytics')}
           </TabsTrigger>
           <TabsTrigger
             value='access'
             className='px-0 pb-2 text-xs font-semibold flex items-center gap-1.5'
           >
             <Activity className='size-3.5' />
-            用户访问日志
+            {t('userAccessLogs')}
           </TabsTrigger>
           <TabsTrigger
             value='app'
             className='px-0 pb-2 text-xs font-semibold flex items-center gap-1.5'
           >
             <Terminal className='size-3.5' />
-            应用运行日志
+            {t('appRuntimeLogs')}
           </TabsTrigger>
         </TabsList>