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/YamlImportDialog.tsx

@@ -5,9 +5,9 @@ import { Button } from '@/components/ui/button';
 import { ModalOverlay } from '@/components/ui/modal-overlay';
 import { useToast } from '@/hooks/use-toast';
 import { kubernetesApi } from '@/api';
+import { useTranslation } from 'react-i18next';
 import { YamlCodeMirror } from './YamlCodeMirror';
 import type { JsonData } from '@/types/common';
-import { useTranslation } from 'react-i18next';
 
 interface YamlImportDialogProps {
   clusterCode: string;
@@ -23,17 +23,17 @@ export function YamlImportDialog({ clusterCode, onClose, onApplied }: YamlImport
 
   const apply = async () => {
     if (!content.trim()) {
-      toast({ title: t('kubernetes.yamlimportdialog.s81d637'), variant: 'destructive' });
+      toast({ title: t('k8s.yamlImport.empty'), variant: 'destructive' });
       return;
     }
     setApplying(true);
     try {
       await kubernetesApi.applyYAML(clusterCode, content);
-      toast({ title: t('system.importSuccess'), description: t('kubernetes.yamlimportdialog.sb66e8e') });
+      toast({ title: t('k8s.yamlImport.success'), description: t('k8s.yamlImport.successDesc') });
       onApplied?.();
       onClose();
     } catch (e) {
-      toast({ title: t('common.importFailed'), description: (e as JsonData).message, variant: 'destructive' });
+      toast({ title: t('k8s.yamlImport.failed'), description: (e as JsonData).message, variant: 'destructive' });
     } finally { setApplying(false); }
   };
 
@@ -47,8 +47,8 @@ export function YamlImportDialog({ clusterCode, onClose, onApplied }: YamlImport
           <div className="flex items-center gap-2">
             <Upload className="h-5 w-5 text-[var(--dg-text-muted)]" />
             <div>
-              <h2 className="text-lg font-bold text-[var(--dg-text-primary)]">{t('kubernetes.yaml.importYaml')}</h2>
-              <p className="text-xs text-[var(--dg-text-muted)]">{t('kubernetes.yamlimportdialog.s92b733')}</p>
+              <h2 className="text-lg font-bold text-[var(--dg-text-primary)]">{t('k8s.yamlImport.title')}</h2>
+              <p className="text-xs text-[var(--dg-text-muted)]">{t('k8s.yamlImport.hint')}</p>
             </div>
           </div>
           <Button variant="ghost" size="icon" className="h-8 w-8" onClick={onClose}><X className="h-4 w-4" /></Button>
@@ -65,7 +65,7 @@ export function YamlImportDialog({ clusterCode, onClose, onApplied }: YamlImport
           <Button variant="outline" onClick={onClose}>{t('common.cancel')}</Button>
           <Button className="bg-blue-600 hover:bg-blue-700" onClick={apply} disabled={applying}>
             {applying ? <Loader2 className="h-4 w-4 animate-spin mr-1" /> : <Upload className="h-4 w-4 mr-1" />}
-            应用
+            {t('k8s.yamlImport.apply')}
           </Button>
         </div>
       </div>