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/AlertManager.tsx

@@ -20,6 +20,7 @@ import { PageShell } from '@/components/layout/PageShell';
 import { StatStrip } from '@/components/ui/stat-strip';
 import type { JsonData } from '@/types/common';
 import type { AlertEventRecord, AlertRuleRecord, AlertChannel } from '@/types';
+import i18n from '@/i18n';
 
 export function AlertManager() {
   const [activeTab, setActiveTab] = useState('events');
@@ -75,15 +76,15 @@ export function AlertManager() {
   ];
 
   const pageTabs = [
-    { id: 'events', label: '告警事件' },
-    { id: 'rules', label: '告警规则' },
+    { id: 'events', label: i18n.t('kubernetes.eventspagetsx.s0e5b83cc') },
+    { id: 'rules', label: i18n.t('monitor.alertRules') },
   ];
 
   return (
     <PageShell
       variant="list"
-      title="监控告警"
-      subtitle="告警规则管理与告警事件处理"
+      title={i18n.t('monitor.alertmanagertsx.sa57c10a3')}
+      subtitle={i18n.t('monitor.alertmanagertsx.s1a70ca90')}
       icon={<Bell className="h-5 w-5" />}
       tabs={pageTabs}
       activeTab={activeTab}
@@ -91,10 +92,10 @@ export function AlertManager() {
       metrics={(
         <StatStrip
           items={[
-            { label: '告警规则', value: rules.length, color: 'blue' },
-            { label: '触发中', value: alerts.filter((e) => e.status === 'firing').length, color: 'red' },
-            { label: '今日告警', value: alerts.length, color: 'amber' },
-            { label: '已恢复', value: alerts.filter((e) => e.status === 'resolved').length, color: 'emerald' },
+            { label: i18n.t('monitor.alertRules'), value: rules.length, color: 'blue' },
+            { label: i18n.t('monitor.alertHelper.statusFiring'), value: alerts.filter((e) => e.status === 'firing').length, color: 'red' },
+            { label: i18n.t('monitor.alertmanagertsx.s240597ec'), value: alerts.length, color: 'amber' },
+            { label: i18n.t('kubernetes.msg.uncordonSuccess'), value: alerts.filter((e) => e.status === 'resolved').length, color: 'emerald' },
           ]}
         />
       )}
@@ -117,8 +118,8 @@ export function AlertManager() {
     >
       <Card className="dg-card">
         <CardHeader className="pb-2">
-          <CardTitle className="text-[var(--dg-text-primary)]">告警趋势</CardTitle>
-          <CardDescription className="dg-text-muted">过去24小时告警统计</CardDescription>
+          <CardTitle className="text-[var(--dg-text-primary)]"> {i18n.t('monitor.alertmanagertsx.s358b05d0')} </CardTitle>
+          <CardDescription className="dg-text-muted"> {i18n.t('monitor.alertmanagertsx.s615fa6cb')} </CardDescription>
         </CardHeader>
         <CardContent>
           <div className="h-[200px]">
@@ -151,7 +152,7 @@ export function AlertManager() {
                   stroke="#ef4444"
                   fillOpacity={1}
                   fill="url(#colorCritical)"
-                  name="严重"
+                  name={i18n.t('monitor.alertHelper.sevCritical')}
                 />
                 <Area
                   type="monotone"
@@ -159,7 +160,7 @@ export function AlertManager() {
                   stroke="#f59e0b"
                   fillOpacity={1}
                   fill="url(#colorWarning)"
-                  name="警告"
+                  name={i18n.t('kubernetes.event.warning')}
                 />
               </AreaChart>
             </ResponsiveContainer>