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/kubernetes/KubectlTerminal.tsx

@@ -11,7 +11,6 @@ import 'xterm/css/xterm.css';
 import { Terminal, Maximize2, Minimize2, X, Loader2 } from 'lucide-react';
 import { cn } from '@/lib/utils';
 import { useUserStore } from '@/store';
-import { useTranslation } from 'react-i18next';
 
 interface KubectlTerminalProps {
   open: boolean;
@@ -21,7 +20,6 @@ interface KubectlTerminalProps {
 }
 
 export function KubectlTerminal({ open, onOpenChange, clusterId, clusterName }: KubectlTerminalProps) {
-  const { t } = useTranslation();
   const containerRef = useRef<HTMLDivElement>(null);
   const termRef = useRef<XTerm | null>(null);
   const wsRef = useRef<WebSocket | null>(null);
@@ -108,12 +106,12 @@ export function KubectlTerminal({ open, onOpenChange, clusterId, clusterName }:
 
     ws.onclose = () => {
       setConnected(false);
-      term.write(t('kubernetes.kubectlterminal.sf4ee00'));
+      term.write('\r\n\x1b[31m[连接已断开]\x1b[0m\r\n');
     };
 
     ws.onerror = () => {
-      setError(t('kubernetes.kubectlterminal.s5b4a67'));
-      term.write(t('kubernetes.kubectlterminal.sc81077'));
+      setError('WebSocket 连接失败');
+      term.write('\r\n\x1b[31m[连接发生错误]\x1b[0m\r\n');
     };
 
     return () => {
@@ -176,7 +174,7 @@ export function KubectlTerminal({ open, onOpenChange, clusterId, clusterName }:
         style={fullscreen ? { maxWidth: '100vw', width: '100vw', height: '100vh' } : { maxWidth: '900px', width: '90vw' }}
       >
         <DialogTitle className="sr-only">kubectl — {clusterName}</DialogTitle>
-        <DialogDescription className="sr-only">{t('kubernetes.kubectlterminal.s66981e')}</DialogDescription>
+        <DialogDescription className="sr-only">Kubernetes 集群命令行终端</DialogDescription>
 
         {/* 头部 */}
         <div className="flex items-center justify-between px-4 py-2 border-b border-[var(--dg-border)]">