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/ui/data-table.tsx

@@ -52,7 +52,6 @@ import {
   Settings2,
 } from 'lucide-react';
 import { cn } from '@/lib/utils';
-import i18n from '@/i18n';
 
 // ─── Types ───────────────────────────────────────────────
 
@@ -224,7 +223,7 @@ export function DataTable<T = Record<string, unknown>>(
     data,
     rowKey,
     searchable = false,
-    searchPlaceholder = i18n.t('ui.dataTable.s64e327'),
+    searchPlaceholder = '搜索...',
     searchKeys,
     sortable: globalSortable = false,
     pagination: enablePagination = false,
@@ -237,7 +236,7 @@ export function DataTable<T = Record<string, unknown>>(
     exportFilename = 'export.csv',
     columnToggle = false,
     loading = false,
-    emptyText = i18n.t('common.noData'),
+    emptyText = '暂无数据',
     emptyRender,
     onRowClick,
     rowClassName,
@@ -423,7 +422,7 @@ export function DataTable<T = Record<string, unknown>>(
                 <DropdownMenuTrigger asChild>
                   <Button variant="outline" size="sm" className="h-8 gap-1.5 border-[var(--dg-border)] text-[var(--dg-text-secondary)] hover:bg-[var(--dg-bg-hover)] hover:text-[var(--dg-text-primary)]">
                     <Eye className="h-3.5 w-3.5" />
-                    <span className="hidden sm:inline">{i18n.t('ui.dataTable.scb2f68')}</span>
+                    <span className="hidden sm:inline">列</span>
                   </Button>
                 </DropdownMenuTrigger>
                 <DropdownMenuContent align="end" className="bg-[var(--dg-bg-secondary)] border-[var(--dg-border)]">
@@ -451,7 +450,7 @@ export function DataTable<T = Record<string, unknown>>(
                 className="h-8 gap-1.5 border-[var(--dg-border)] text-[var(--dg-text-secondary)] hover:bg-[var(--dg-bg-hover)] hover:text-[var(--dg-text-primary)]"
               >
                 <Download className="h-3.5 w-3.5" />
-                <span className="hidden sm:inline">{i18n.t('common.export')}</span>
+                <span className="hidden sm:inline">导出</span>
               </Button>
             )}
           </div>
@@ -587,7 +586,7 @@ export function DataTable<T = Record<string, unknown>>(
               </span>
             )}
             <div className="flex items-center gap-1.5">
-              <span className="text-sm text-[var(--dg-text-muted)]">{i18n.t('common.perPage')}</span>
+              <span className="text-sm text-[var(--dg-text-muted)]">每页</span>
               <DropdownMenu>
                 <DropdownMenuTrigger asChild>
                   <Button variant="outline" size="sm" className="h-7 px-2 min-w-[56px] gap-1 border-[var(--dg-border)] text-[var(--dg-text-secondary)] hover:bg-[var(--dg-bg-hover)]">
@@ -645,7 +644,7 @@ export function DataTable<T = Record<string, unknown>>(
 
 function renderCellValue(v: unknown): React.ReactNode {
   if (v == null || v === '') return <span className="text-[var(--dg-text-muted)]">—</span>;
-  if (typeof v === 'boolean') return v ? i18n.t('common.yes') : i18n.t('common.no');
+  if (typeof v === 'boolean') return v ? '是' : '否';
   if (typeof v === 'object') {
     const obj = v as Record<string, unknown>;
     const label = obj.label ?? obj.name ?? obj.value;