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/monitor/AlertRulesTab.tsx

@@ -18,7 +18,6 @@ import { toast } from 'sonner';
 import { alertApi } from '@/api';
 import { renderRuleChannels } from './alertShared';
 import type { AlertChannel, AlertRuleRecord } from '@/types';
-import { useTranslation } from 'react-i18next';
 
 const COL_SPAN = 9; // 复选框 + 7 数据列 + 操作列 // Logan.Li
 
@@ -33,7 +32,6 @@ export function AlertRulesTab({
   onReload: () => void;
   onEditRule: ( rule: AlertRuleRecord) => void;
 }) {
-  const { t } = useTranslation();
   const confirm = useConfirm();
   const [selectedIds, setSelectedIds] = useState<number[]>([]);
 
@@ -55,19 +53,19 @@ export function AlertRulesTab({
 
   const handleDeleteRule = async ( id: number) => {
     const ok = await confirm({
-      title: t('monitor.alertrulestab.sfa5bfd'),
-      description: t('monitor.alertrulestab.sd30155'),
-      confirmText: t('common.delete'),
+      title: '删除告警规则',
+      description: '确定删除此告警规则？',
+      confirmText: '删除',
       variant: 'destructive',
     });
     if (!ok) return;
     try {
       await alertApi.deleteRule(id);
-      toast.success(t('monitor.alertrulestab.s20b3fd'));
+      toast.success('告警规则已删除');
       onReload();
     } catch (error) {
       console.error('Failed to delete rule:', error);
-      toast.error(t('common.deleteFailed'));
+      toast.error('删除失败');
     }
   };
 
@@ -75,20 +73,20 @@ export function AlertRulesTab({
   const handleBatchDelete = async () => {
     if (selectedIds.length === 0) return;
     const ok = await confirm({
-      title: t('monitor.alertrulestab.sbb457b'),
-      description: t('monitor.alertrulestab.s12d681', { selectedIds.length: selectedIds.length }),
-      confirmText: t('common.batchDelete'),
+      title: '批量删除告警规则',
+      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',
       variant: 'destructive',
     });
     if (!ok) return;
     try {
       await alertApi.batchDeleteRules(selectedIds);
-      toast.success(t('monitor.alertrulestab.s327a78', { selectedIds.length: selectedIds.length }));
+      toast.success(`已删除 ${selectedIds.length} 条告警规则`);
       setSelectedIds([]);
       onReload();
     } catch (error) {
       console.error('Failed to batch delete rules:', error);
-      toast.error(t('cloud.batchDeleteFailed'));
+      toast.error('批量删除失败');
     }
   };
 
@@ -134,14 +132,14 @@ export function AlertRulesTab({
                       className="border-[var(--dg-border-hover)]"
                     />
                   </TableHead>
-                  <TableHead className="dg-text-secondary">{t('monitor.ruleName')}</TableHead>
-                  <TableHead className="dg-text-secondary">{t('menu.datasources')}</TableHead>
-                  <TableHead className="dg-text-secondary">{t('monitor.alertrulestab.s65939c')}</TableHead>
-                  <TableHead className="dg-text-secondary">{t('common.level')}</TableHead>
-                  <TableHead className="dg-text-secondary">{t('monitor.alertDuration')}</TableHead>
-                  <TableHead className="dg-text-secondary">{t('monitor.notificationChannel')}</TableHead>
-                  <TableHead className="dg-text-secondary">{t('common.status')}</TableHead>
-                  <TableHead className="dg-text-secondary text-right">{t('common.actions')}</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>
                 </TableRow>
               </TableHeader>
               <TableBody>