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/ClusterOverviewPage.tsx

@@ -25,6 +25,7 @@ import { PageShell } from '@/components/layout/PageShell';
 import { ContentPanel } from '@/components/layout/ContentPanel';
 import { StatStrip } from '@/components/ui/stat-strip';
 import type { JsonData } from '@/types/common';
+import { useTranslation } from 'react-i18next';
 
 const NAMESPACE_ICON: Record<string, React.ComponentType<Record<string, unknown>>> = {
   'kube-system': Server,
@@ -34,6 +35,7 @@ const NAMESPACE_ICON: Record<string, React.ComponentType<Record<string, unknown>
 };
 
 export default function ClusterOverviewPage() {
+  const { t } = useTranslation();
   const { clusterCode } = useParams<{ clusterCode: string }>();
   const navigate = useNavigate();
   const { toast } = useToast();
@@ -53,7 +55,7 @@ export default function ClusterOverviewPage() {
       const current = list.find((c: JsonData) => (c.code || String(c.id)) === clusterCode);
       setClusterInfo(current || null);
       if (!current && list.length > 0 && clusterCode) {
-        toast({ title: '集群未找到', description: `找不到集群 ${clusterCode}`, variant: 'destructive' });
+        toast({ title: t('kubernetes.clusteroverviewpage.s9ff765'), description: t('kubernetes.clusteroverviewpage.s59f69c', { clusterCode: clusterCode }), variant: 'destructive' });
       }
     } catch { setClusters([]); }
   }, [clusterCode]);
@@ -83,15 +85,15 @@ export default function ClusterOverviewPage() {
   return (
     <PageShell
       variant="default"
-      title={clusterCode || '集群概览'}
-      subtitle={clusterInfo?.version ? `集群概览 · Kubernetes ${clusterInfo.version}` : '集群概览'}
+      title={clusterCode || t('kubernetes.clusteroverviewpage.s066c0a')}
+      subtitle={clusterInfo?.version ? t('kubernetes.clusteroverviewpage.s966b2d', { clusterInfo.version: clusterInfo.version }) : t('kubernetes.clusteroverviewpage.s066c0a')}
       icon={<Server className="h-5 w-5" />}
       metrics={!loading ? (
         <StatStrip
           items={[
-            { label: '节点', value: nodes.length, color: 'blue' },
-            { label: '命名空间', value: namespaces.length, color: 'green' },
-            { label: '版本', value: clusterInfo?.version || '-', color: 'muted' },
+            { label: t('k8s.tab.nodes'), value: nodes.length, color: 'blue' },
+            { label: t('k8s.column.namespace'), value: namespaces.length, color: 'green' },
+            { label: t('common.version'), value: clusterInfo?.version || '-', color: 'muted' },
           ]}
         />
       ) : undefined}
@@ -111,21 +113,21 @@ export default function ClusterOverviewPage() {
             <Table>
               <TableHeader>
                 <TableRow className="border-[var(--dg-border)] hover:bg-transparent">
-                  <TableHead className="text-[var(--dg-text-secondary)]">名称</TableHead>
-                  <TableHead className="text-[var(--dg-text-secondary)]">角色</TableHead>
-                  <TableHead className="text-[var(--dg-text-secondary)]">状态</TableHead>
+                  <TableHead className="text-[var(--dg-text-secondary)]">{t('common.name')}</TableHead>
+                  <TableHead className="text-[var(--dg-text-secondary)]">{t('pipeline.role')}</TableHead>
+                  <TableHead className="text-[var(--dg-text-secondary)]">{t('common.status')}</TableHead>
                   <TableHead className="text-[var(--dg-text-secondary)]">IP</TableHead>
                   <TableHead className="text-[var(--dg-text-secondary)]">OS</TableHead>
                   <TableHead className="text-[var(--dg-text-secondary)]">Kubelet</TableHead>
                   <TableHead className="text-[var(--dg-text-secondary)]">CPU</TableHead>
-                  <TableHead className="text-[var(--dg-text-secondary)]">内存</TableHead>
+                  <TableHead className="text-[var(--dg-text-secondary)]">{t('k8s.pods.memory')}</TableHead>
                 </TableRow>
               </TableHeader>
               <TableBody>
                 {loading ? (
-                  <TableRow><TableCell colSpan={8} className="text-center text-[var(--dg-text-muted)] py-12"><Loader2 className="h-5 w-5 animate-spin mx-auto mb-2" />加载中...</TableCell></TableRow>
+                  <TableRow><TableCell colSpan={8} className="text-center text-[var(--dg-text-muted)] py-12"><Loader2 className="h-5 w-5 animate-spin mx-auto mb-2" />{t('common.loading')}</TableCell></TableRow>
                 ) : nodes.length === 0 ? (
-                  <TableRow><TableCell colSpan={8} className="text-center text-[var(--dg-text-muted)] py-12"><Cpu className="h-8 w-8 mx-auto mb-2 opacity-50" />暂无节点</TableCell></TableRow>
+                  <TableRow><TableCell colSpan={8} className="text-center text-[var(--dg-text-muted)] py-12"><Cpu className="h-8 w-8 mx-auto mb-2 opacity-50" />{t('k8s.topology.noNodes')}</TableCell></TableRow>
                 ) : (
                   nodes.map((n: JsonData) => {
                     const cpuCores = n.cpu || 0;