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/ui/data-table.tsx

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