feat(i18n): 安全批量转换 135 文件 — 覆盖率 34%→62%

使用 i18n.t() 全局方式（避免 hook 定位问题）:
- 288 目标文件中 135 个成功转换
- 2228 处中文替换为 i18n.t() 调用
- 1006 个新翻译 key 添加到 zh-CN.json + en-US.json
- 词典总量: 3554 keys (22 namespaces)
- tsc 零错误 + Vite 构建成功
- 6 个含代码示例/数据字符串的文件安全回退

frontend/src/components/monitor/AlertRulesTab.tsx

@@ -18,6 +18,7 @@ import { toast } from 'sonner';
 import { alertApi } from '@/api';
 import { renderRuleChannels } from './alertShared';
 import type { AlertChannel, AlertRuleRecord } from '@/types';
+import i18n from '@/i18n';
 
 const COL_SPAN = 9; // 复选框 + 7 数据列 + 操作列 // Logan.Li
 
@@ -53,19 +54,19 @@ export function AlertRulesTab({
 
   const handleDeleteRule = async ( id: number) => {
     const ok = await confirm({
-      title: '删除告警规则',
-      description: '确定删除此告警规则？',
-      confirmText: '删除',
+      title: i18n.t('monitor.alertrulestabts.sfa5bfdc3'),
+      description: i18n.t('monitor.alertrulestabts.sd301558d'),
+      confirmText: i18n.t('kubernetes.storage.delete2'),
       variant: 'destructive',
     });
     if (!ok) return;
     try {
       await alertApi.deleteRule(id);
-      toast.success('告警规则已删除');
+      toast.success(i18n.t('monitor.alertrulestabts.s20b3fdcd'));
       onReload();
     } catch (error) {
       console.error('Failed to delete rule:', error);
-      toast.error('删除失败');
+      toast.error(i18n.t('kubernetes.msg.deleteFailed2'));
     }
   };
 
@@ -73,9 +74,9 @@ export function AlertRulesTab({
   const handleBatchDelete = async () => {
     if (selectedIds.length === 0) return;
     const ok = await confirm({
-      title: '批量删除告警规则',
+      title: i18n.t('monitor.alertrulestabts.sbb457b70'),
       description: `确定删除选中的 ${selectedIds.length} 条告警规则吗？此操作不可撤销。`,
-      confirmText: '批量删除',
+      confirmText: i18n.t('system.terminalBatchDelete'),
       variant: 'destructive',
     });
     if (!ok) return;
@@ -86,7 +87,7 @@ export function AlertRulesTab({
       onReload();
     } catch (error) {
       console.error('Failed to batch delete rules:', error);
-      toast.error('批量删除失败');
+      toast.error(i18n.t('system.batchDeleteFailed'));
     }
   };
 
@@ -132,14 +133,14 @@ export function AlertRulesTab({
                       className="border-[var(--dg-border-hover)]"
                     />
                   </TableHead>
-                  <TableHead className="dg-text-secondary">规则名称</TableHead>
-                  <TableHead className="dg-text-secondary">数据源</TableHead>
-                  <TableHead className="dg-text-secondary">触发条件</TableHead>
-                  <TableHead className="dg-text-secondary">级别</TableHead>
-                  <TableHead className="dg-text-secondary">持续时间</TableHead>
-                  <TableHead className="dg-text-secondary">通知渠道</TableHead>
-                  <TableHead className="dg-text-secondary">状态</TableHead>
-                  <TableHead className="dg-text-secondary text-right">操作</TableHead>
+                  <TableHead className="dg-text-secondary"> {i18n.t('monitor.ruleName')} </TableHead>
+                  <TableHead className="dg-text-secondary"> {i18n.t('monitor.dashboard.custom.datasource')} </TableHead>
+                  <TableHead className="dg-text-secondary"> {i18n.t('monitor.alertrulestabts.s65939ccd')} </TableHead>
+                  <TableHead className="dg-text-secondary"> {i18n.t('kubernetes.event.eventLevel')} </TableHead>
+                  <TableHead className="dg-text-secondary"> {i18n.t('monitor.alertDuration')} </TableHead>
+                  <TableHead className="dg-text-secondary"> {i18n.t('monitor.notificationChannel')} </TableHead>
+                  <TableHead className="dg-text-secondary"> {i18n.t('system.terminalStatus')} </TableHead>
+                  <TableHead className="dg-text-secondary text-right"> {i18n.t('system.auditAction')} </TableHead>
                 </TableRow>
               </TableHeader>
               <TableBody>