feat(i18n): 剩余模块全量国际化 — 51% 覆盖率 (231 文件接入 t())

批量转换 163 个文件，3204 处中文替换为 t() 调用：
- Monitor: 日志中心/告警中心/数据源/大屏/站点拨测/SNMP/中间件 全部转换
- Kubernetes: ResourceVisualEditor/NamespaceResourcePage/拓扑/事件 全部转换
- Deploy: 流水线/发布/凭证/RBAC 全部转换
- Server/Cloud/Agent/Task/Layout/UI: 全部转换
- 翻译词典扩展至 6474 行 (22 namespaces, 5000+ keys)
- tsc 编译零错误

frontend/src/components/kubernetes/YamlImportDialog.tsx

@@ -7,6 +7,7 @@ import { useToast } from '@/hooks/use-toast';
 import { kubernetesApi } from '@/api';
 import { YamlCodeMirror } from './YamlCodeMirror';
 import type { JsonData } from '@/types/common';
+import { useTranslation } from 'react-i18next';
 
 interface YamlImportDialogProps {
   clusterCode: string;
@@ -15,23 +16,24 @@ interface YamlImportDialogProps {
 }
 
 export function YamlImportDialog({ clusterCode, onClose, onApplied }: YamlImportDialogProps) {
+  const { t } = useTranslation();
   const { toast } = useToast();
   const [content, setContent] = useState('');
   const [applying, setApplying] = useState(false);
 
   const apply = async () => {
     if (!content.trim()) {
-      toast({ title: '请输入 YAML', variant: 'destructive' });
+      toast({ title: t('kubernetes.yamlimportdialog.s81d637'), variant: 'destructive' });
       return;
     }
     setApplying(true);
     try {
       await kubernetesApi.applyYAML(clusterCode, content);
-      toast({ title: '导入成功', description: 'YAML 已应用到集群' });
+      toast({ title: t('system.importSuccess'), description: t('kubernetes.yamlimportdialog.sb66e8e') });
       onApplied?.();
       onClose();
     } catch (e) {
-      toast({ title: '导入失败', description: (e as JsonData).message, variant: 'destructive' });
+      toast({ title: t('common.importFailed'), description: (e as JsonData).message, variant: 'destructive' });
     } finally { setApplying(false); }
   };
 
@@ -45,8 +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)]">导入 YAML</h2>
-              <p className="text-xs text-[var(--dg-text-muted)]">支持多文档（--- 分隔），适用于新建或更新资源</p>
+              <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>
             </div>
           </div>
           <Button variant="ghost" size="icon" className="h-8 w-8" onClick={onClose}><X className="h-4 w-4" /></Button>
@@ -60,7 +62,7 @@ export function YamlImportDialog({ clusterCode, onClose, onApplied }: YamlImport
           />
         </div>
         <div className="flex justify-end gap-2 p-4 border-t border-[var(--dg-border)] shrink-0">
-          <Button variant="outline" onClick={onClose}>取消</Button>
+          <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