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/PodExecTerminal.tsx

@@ -22,7 +22,6 @@ import {
 import { cn } from '@/lib/utils';
 import { kubernetesApi } from '@/api';
 import { useToast } from '@/hooks/use-toast';
-import { useTranslation } from 'react-i18next';
 
 export interface PodExecTerminalProps {
   open: boolean;
@@ -50,7 +49,6 @@ export function PodExecTerminal({
   containers = [],
   initialContainer,
 }: PodExecTerminalProps) {
-  const { t } = useTranslation();
   const { toast } = useToast();
   const containerRef = useRef<HTMLDivElement>(null);
   const termRef = useRef<XTerm | null>(null);
@@ -94,7 +92,7 @@ export function PodExecTerminal({
 
     setConnState('connecting');
     term.clear();
-    term.writeln(t('kubernetes.podexecterminal.s2f4703', { podName: podName, container ? '/' + container : '': container ? '/' + container : '', shell: shell }));
+    term.writeln(`\x1b[36m[正在连接 ${podName}${container ? '/' + container : ''} shell=${shell} ...]\x1b[0m`);
 
     const wsUrl = kubernetesApi.buildPodExecWsUrl(clusterId, namespace, podName, container || undefined, shell);
 
@@ -118,9 +116,9 @@ export function PodExecTerminal({
         if (msg.status === 0 && typeof msg.data === 'string') {
           term.write(msg.data);
         } else if (msg.status === 2 || msg.error) {
-          const errMsg = msg.data || msg.message || msg.error || t('kubernetes.podexecterminal.s05f6e9');
+          const errMsg = msg.data || msg.message || msg.error || '执行错误';
           if (errMsg.includes('not found') && shell === 'bash') {
-            term.writeln(t('kubernetes.podexecterminal.s14481b'));
+            term.writeln('\r\n\x1b[33m⚠ bash 不可用，请切换 /bin/sh 后重连。\x1b[0m');
             errorShownRef.current = true;
             return;
           }
@@ -134,14 +132,14 @@ export function PodExecTerminal({
     ws.onclose = (_ev) => {
       setConnState((s) => (s === 'error' ? s : 'closed'));
       if (!errorShownRef.current) {
-        term.write(t('kubernetes.podexecterminal.s123d94'));
+        term.write('\r\n\x1b[33m[连接已关闭]\x1b[0m\r\n');
       }
     };
 
     ws.onerror = (ev) => {
       console.error('[PodExec:connect] WS error event fired, readyState=', ws.readyState, 'type=', ev.type);
       setConnState('error');
-      term.write(t('kubernetes.podexecterminal.sc81077'));
+      term.write('\r\n\x1b[31m[连接发生错误]\x1b[0m\r\n');
     };
   }, [clusterId, namespace, podName, container, shell]);
 
@@ -268,10 +266,10 @@ export function PodExecTerminal({
   const statusColor = connState === 'connected' ? 'bg-emerald-400'
     : connState === 'error' ? 'bg-red-400'
     : connState === 'closed' ? 'bg-[var(--dg-bg-active)]' : 'bg-amber-400';
-  const statusText = connState === 'connected' ? t('common.connected')
-    : connState === 'connecting' ? t('common.connecting')
-    : connState === 'error' ? t('kubernetes.podexecterminal.sd52359')
-    : connState === 'closed' ? t('common.disconnected') : t('common.idle');
+  const statusText = connState === 'connected' ? '已连接'
+    : connState === 'connecting' ? '连接中'
+    : connState === 'error' ? '连接错误'
+    : connState === 'closed' ? '已断开' : '空闲';
 
   const handleTerminalClick = useCallback(() => {
     try { termRef.current?.focus(); } catch { /* noop */ }
@@ -291,7 +289,7 @@ export function PodExecTerminal({
         style={fullscreen ? { maxWidth: '100vw', width: '100vw', height: '100vh' } : { maxWidth: '960px', width: '92vw' }}
       >
         <DialogTitle className="sr-only">exec — {podName}</DialogTitle>
-        <DialogDescription className="sr-only">{t('kubernetes.podexecterminal.s1a62d4')}</DialogDescription>
+        <DialogDescription className="sr-only">进入 Pod 容器执行命令</DialogDescription>
 
         {/* 工具栏 */}
         <div className="flex items-center justify-between gap-2 px-4 py-2 border-b border-[var(--dg-border)] flex-wrap">
@@ -307,7 +305,7 @@ export function PodExecTerminal({
               <Select value={container} onValueChange={setContainer}>
                 <SelectTrigger className="h-8 w-[150px] text-xs bg-[var(--dg-bg-hover)] border-[var(--dg-border)]">
                   <Box className="h-3 w-3 mr-1 text-[var(--dg-text-muted)]" />
-                  <SelectValue placeholder=t('k8s.pods.containers') />
+                  <SelectValue placeholder="容器" />
                 </SelectTrigger>
                 <SelectContent>{containers.map((c) => <SelectItem key={c} value={c}>{c}</SelectItem>)}</SelectContent>
               </Select>
@@ -319,13 +317,13 @@ export function PodExecTerminal({
               <SelectContent>{SHELLS.map(s => <SelectItem key={s.value} value={s.value}>{s.label}</SelectItem>)}</SelectContent>
             </Select>
             <Button variant="ghost" size="sm" className="h-8 px-2 text-[var(--dg-text-secondary)] hover:text-[var(--dg-text-primary)]"
-              onClick={() => { connect(); toast({ title: t('kubernetes.podexecterminal.sad127c') }); }} title=t('kubernetes.podexecterminal.s114d0e')>
+              onClick={() => { connect(); toast({ title: '正在重连…' }); }} title="重连">
               <RotateCw className="h-3.5 w-3.5" />
             </Button>
-            <button onClick={() => setFullscreen(!fullscreen)} className="p-1.5 rounded hover:bg-[var(--dg-bg-hover)] text-[var(--dg-text-secondary)]" title={fullscreen ? t('common.exitFullscreen') : t('common.fullscreen')}>
+            <button onClick={() => setFullscreen(!fullscreen)} className="p-1.5 rounded hover:bg-[var(--dg-bg-hover)] text-[var(--dg-text-secondary)]" title={fullscreen ? '退出全屏' : '全屏'}>
               {fullscreen ? <Minimize2 className="h-4 w-4" /> : <Maximize2 className="h-4 w-4" />}
             </button>
-            <button onClick={() => onOpenChange(false)} className="p-1.5 rounded hover:bg-[var(--dg-bg-hover)] text-[var(--dg-text-secondary)]" title=t('common.close')>
+            <button onClick={() => onOpenChange(false)} className="p-1.5 rounded hover:bg-[var(--dg-bg-hover)] text-[var(--dg-text-secondary)]" title="关闭">
               <X className="h-4 w-4" />
             </button>
           </div>