fix(i18n): 回退到稳定的 32% 覆盖率状态 (tsc + Vite 构建通过)

批量转换脚本引入的语法错误已回退，保留稳定的 i18n 转换:
- 翻译词典: 22 namespaces, 3600+ keys
- 已接入: 145+ 文件 (Dashboard/Login/K8s 主页面/Monitor/System/Deploy)
- 语言切换器在 Header 中可用 (🇨🇳/🇺🇸)
- tsc 零错误, Vite 构建成功

frontend/src/components/server/ServerStatsStrip.tsx

@@ -1,14 +1,12 @@
 // 服务器统计条 — 紧凑型替代 4 张大卡片
 import { StatStrip } from '@/components/ui/stat-strip';
 import type { JsonData } from '@/types/common';
-import { useTranslation } from 'react-i18next';
 
 interface ServerStatsStripProps {
   servers: JsonData[];
 }
 
 export function ServerStatsStrip({ servers }: ServerStatsStripProps) {
-  const { t } = useTranslation();
   const runningCount = servers.filter((s) => s.status === 'running').length;
   const maintenanceCount = servers.filter((s) => s.status === 'maintenance').length;
   const stoppedCount = servers.filter((s) => s.status === 'stopped').length;
@@ -16,10 +14,10 @@ export function ServerStatsStrip({ servers }: ServerStatsStripProps) {
   return (
     <StatStrip
       items={[
-        { label: t('dashboard.servers'), value: servers.length, color: 'blue' },
-        { label: t('common.running'), value: runningCount, color: 'emerald' },
-        { label: t('common.maintenance'), value: maintenanceCount, color: 'amber' },
-        { label: t('common.stopped'), value: stoppedCount, color: 'muted' },
+        { label: '服务器', value: servers.length, color: 'blue' },
+        { label: '运行中', value: runningCount, color: 'emerald' },
+        { label: '维护中', value: maintenanceCount, color: 'amber' },
+        { label: '已停止', value: stoppedCount, color: 'muted' },
       ]}
     />
   );