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/NamespaceManagementPage.tsx

@@ -19,7 +19,6 @@ import { toast } from 'sonner';
 import { PageShell } from '@/components/layout/PageShell';
 import { ContentPanel } from '@/components/layout/ContentPanel';
 import { StatStrip } from '@/components/ui/stat-strip';
-import { useTranslation } from 'react-i18next';
 
 interface NamespaceDetail {
   name: string;
@@ -40,7 +39,6 @@ const SYSTEM_NAMESPACES = new Set([
 ]);
 
 export default function NamespaceManagementPage() {
-  const { t } = useTranslation();
   const { clusterCode } = useParams<{ clusterCode: string }>();
   const navigate = useNavigate();
   const [namespaces, setNamespaces] = useState<NamespaceDetail[]>([]);
@@ -80,7 +78,7 @@ export default function NamespaceManagementPage() {
       setCreateOpen(false);
       await loadData();
     } catch (err) {
-      toast.error(err?.message || t('monitor.quickSetupFailed'));
+      toast.error(err?.message || '创建失败');
     } finally {
       setCreating(false);
     }
@@ -94,7 +92,7 @@ export default function NamespaceManagementPage() {
       setDeleteTarget(null);
       await loadData();
     } catch (err) {
-      toast.error(err?.message || t('common.deleteFailed'));
+      toast.error(err?.message || '删除失败');
     } finally {
       setDeleting(false);
     }
@@ -113,7 +111,7 @@ export default function NamespaceManagementPage() {
     <Input
       value={searchQuery}
       onChange={(e) => setSearchQuery(e.target.value)}
-      placeholder=t('kubernetes.namespacemanagementpage.se91247')
+      placeholder="搜索命名空间..."
       className="max-w-xs dg-input"
     />
   );
@@ -121,17 +119,17 @@ export default function NamespaceManagementPage() {
   return (
     <PageShell
       variant="list"
-      title=t('kubernetes.namespacemanagementpage.se935a3')
-      subtitle={t('kubernetes.namespacemanagementpage.s81e4b3', { clusterCode: clusterCode })}
+      title="命名空间管理"
+      subtitle={`${clusterCode} · 资源配额与生命周期管理`}
       icon={<Boxes className="h-5 w-5" />}
       metrics={!loading ? (
         <StatStrip
           items={[
-            { label: t('k8s.column.namespace'), value: namespaces.length, color: 'green' },
+            { label: '命名空间', value: namespaces.length, color: 'green' },
             { label: 'Deployments', value: totalDeploys, color: 'blue' },
             { label: 'Pods', value: totalPods, color: 'purple' },
             { label: 'Services', value: totalSvcs, color: 'cyan' },
-            { label: t('kubernetes.namespacemanagementpage.s47c3ae'), value: quotaCount, color: 'amber' },
+            { label: '配额限制', value: quotaCount, color: 'amber' },
           ]}
         />
       ) : undefined}
@@ -149,15 +147,15 @@ export default function NamespaceManagementPage() {
             </DialogTrigger>
             <DialogContent>
               <DialogHeader>
-                <DialogTitle>{t('kubernetes.namespacemanagementpage.s737f41')}</DialogTitle>
+                <DialogTitle>创建命名空间</DialogTitle>
               </DialogHeader>
               <div className="space-y-4 py-4">
                 <div className="space-y-2">
-                  <Label>{t('kubernetes.namespace.namespaceName')}</Label>
+                  <Label>命名空间名称</Label>
                   <Input
                     value={newName}
                     onChange={(e) => setNewName(e.target.value)}
-                    placeholder=t('kubernetes.namespacemanagementpage.scba008')
+                    placeholder="例如: my-app"
                     onKeyDown={(e) => e.key === 'Enter' && handleCreate()}
                   />
                   <p className="text-xs text-[var(--dg-text-muted)]">
@@ -166,7 +164,7 @@ export default function NamespaceManagementPage() {
                 </div>
               </div>
               <DialogFooter>
-                <Button variant="outline" onClick={() => setCreateOpen(false)}>{t('common.cancel')}</Button>
+                <Button variant="outline" onClick={() => setCreateOpen(false)}>取消</Button>
                 <Button onClick={handleCreate} disabled={creating || !newName.trim()}>
                   {creating ? <Loader2 className="h-4 w-4 animate-spin mr-1" /> : null}
                   创建
@@ -181,15 +179,15 @@ export default function NamespaceManagementPage() {
           <Table>
             <TableHeader>
               <TableRow className="border-[var(--dg-border)] hover:bg-transparent">
-                <TableHead className="text-[var(--dg-text-secondary)]">{t('common.name')}</TableHead>
-                <TableHead className="text-[var(--dg-text-secondary)]">{t('common.status')}</TableHead>
-                <TableHead className="text-[var(--dg-text-secondary)]">{t('kubernetes.namespacemanagementpage.sa01a99')}</TableHead>
+                <TableHead className="text-[var(--dg-text-secondary)]">名称</TableHead>
+                <TableHead className="text-[var(--dg-text-secondary)]">状态</TableHead>
+                <TableHead className="text-[var(--dg-text-secondary)]">年龄</TableHead>
                 <TableHead className="text-[var(--dg-text-secondary)] text-center">Deploy</TableHead>
                 <TableHead className="text-[var(--dg-text-secondary)] text-center">Pods</TableHead>
                 <TableHead className="text-[var(--dg-text-secondary)] text-center">Svc</TableHead>
-                <TableHead className="text-[var(--dg-text-secondary)] text-center">{t('common.quota')}</TableHead>
-                <TableHead className="text-[var(--dg-text-secondary)]">{t('common.tag')}</TableHead>
-                <TableHead className="text-[var(--dg-text-secondary)] text-center">{t('common.actions')}</TableHead>
+                <TableHead className="text-[var(--dg-text-secondary)] text-center">配额</TableHead>
+                <TableHead className="text-[var(--dg-text-secondary)]">标签</TableHead>
+                <TableHead className="text-[var(--dg-text-secondary)] text-center">操作</TableHead>
               </TableRow>
             </TableHeader>
             <TableBody>
@@ -249,13 +247,13 @@ export default function NamespaceManagementPage() {
                       </TableCell>
                       <TableCell className="text-center">
                         {isSystem ? (
-                          <span className="text-xs text-[var(--dg-text-muted)]">{t('common.system3')}</span>
+                          <span className="text-xs text-[var(--dg-text-muted)]">系统</span>
                         ) : (
                           <Button
                             variant="ghost" size="icon"
                             className="h-7 w-7 text-[var(--dg-red)] hover:text-[var(--dg-red)] hover:bg-[var(--dg-red)]/10"
                             onClick={() => setDeleteTarget(ns.name)}
-                            title=t('kubernetes.namespace.deleteNamespace')
+                            title="删除命名空间"
                           >
                             <Trash2 className="h-3.5 w-3.5" />
                           </Button>
@@ -288,7 +286,7 @@ export default function NamespaceManagementPage() {
             </div>
           </div>
           <DialogFooter>
-            <Button variant="outline" onClick={() => setDeleteTarget(null)}>{t('common.cancel')}</Button>
+            <Button variant="outline" onClick={() => setDeleteTarget(null)}>取消</Button>
             <Button variant="destructive" onClick={handleDelete} disabled={deleting}>
               {deleting ? <Loader2 className="h-4 w-4 animate-spin mr-1" /> : null}
               确认删除