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/TerminalDialog.tsx

@@ -16,7 +16,6 @@ import { useUserStore } from '@/store';
 import { credentialApi, serverCredentialApi } from '@/api';
 import { toast } from 'sonner';
 import type { JsonData } from '@/types/common';
-import { useTranslation } from 'react-i18next';
 
 interface TerminalDialogProps {
   open: boolean;
@@ -40,7 +39,6 @@ export function TerminalDialog({
   serverIp,
   hasAuth = true,
 }: TerminalDialogProps) {
-  const { t } = useTranslation();
   const containerRef = useRef<HTMLDivElement>(null);
   const termRef = useRef<XTerm | null>(null);
   const wsRef = useRef<WebSocket | null>(null);
@@ -66,10 +64,10 @@ export function TerminalDialog({
     try {
       setAssigning(true);
       await serverCredentialApi.assign(serverId, Number(selectedCredId));
-      toast.success(t('server.terminaldialog.s7c9109'));
+      toast.success('凭据已关联');
       setAuthReady(true);
     } catch (e) {
-      toast.error(e?.message || t('server.terminaldialog.s6d973d'));
+      toast.error(e?.message || '关联失败');
     } finally {
       setAssigning(false);
     }
@@ -137,11 +135,11 @@ export function TerminalDialog({
 
     ws.onclose = () => {
       setConnected(false);
-      term.write(t('server.terminaldialog.safab20'));
+      term.write('\r\n\x1b[31m[连接已关闭]\x1b[0m\r\n');
     };
 
     ws.onerror = () => {
-      term.write(t('server.terminaldialog.sc81077'));
+      term.write('\r\n\x1b[31m[连接发生错误]\x1b[0m\r\n');
     };
 
     return () => {
@@ -200,7 +198,7 @@ export function TerminalDialog({
         style={fullscreen ? { maxWidth: '100vw', width: '100vw', height: '100vh' } : { maxWidth: '960px', width: '92vw' }}
       >
         <DialogTitle className="sr-only">终端 - {serverName}</DialogTitle>
-        <DialogDescription className="sr-only">{t('server.terminaldialog.s46b4eb')}</DialogDescription>
+        <DialogDescription className="sr-only">SSH 终端连接</DialogDescription>
         {/* 终端头部 */}
         <div className="flex items-center justify-between px-4 py-2 border-b border-[var(--dg-border)]">
           <div className="flex items-center gap-2 text-sm">
@@ -228,18 +226,18 @@ export function TerminalDialog({
           <div className="p-6 flex flex-col items-center justify-center gap-4" style={{ height: '480px' }}>
             <Shield className="h-12 w-12 dg-text-yellow" />
             <div className="text-center">
-              <p className="text-[var(--dg-text-primary)] font-medium mb-1">{t('server.terminaldialog.sa8156f')}</p>
-              <p className="text-sm text-[var(--dg-text-muted)]">{t('server.terminaldialog.s909c9a')}</p>
+              <p className="text-[var(--dg-text-primary)] font-medium mb-1">服务器未配置认证凭据</p>
+              <p className="text-sm text-[var(--dg-text-muted)]">请选择一个凭据用于 SSH 连接</p>
             </div>
             {credentials.length === 0 ? (
-              <p className="text-xs text-[var(--dg-text-muted)]">{t('server.terminaldialog.s817bf0')}</p>
+              <p className="text-xs text-[var(--dg-text-muted)]">暂无可用凭据，请先去「凭证配置」添加</p>
             ) : (
               <select
                 value={selectedCredId}
                 onChange={(e) => setSelectedCredId(e.target.value)}
                 className="w-64 px-3 py-2 bg-[var(--dg-bg-tertiary)] border border-[var(--dg-border)] rounded-md text-[var(--dg-text-primary)] text-sm"
               >
-                <option value="">{t('server.terminaldialog.s3fb850')}</option>
+                <option value="">-- 选择凭据 --</option>
                 {credentials.map((c: JsonData) => (
                   <option key={c.id} value={String(c.id)}>
                     {c.type === 'ssh_key' ? '🔑' : '🔒'} {c.name}
@@ -252,7 +250,7 @@ export function TerminalDialog({
               disabled={!selectedCredId || assigning}
               className="bg-[var(--dg-blue)] hover:opacity-90 text-white"
             >
-              {assigning ? t('server.terminaldialog.saf3d5d') : t('server.terminaldialog.s9b4480')}
+              {assigning ? '关联中...' : '确认连接'}
             </Button>
           </div>
         )}