refactor(i18n): U27 多模块 phantom key 批量清理 — Cloud/Deploy/Agent/Monitor/System 5 模块 25 文件, 180 个 phantom key → 51 残留, 129 个替换为语义化键, 新增 12 子命名空间, zh/en 7185→7294 +109 键对齐, tsc -b=0, npm build✓ (16.31s), ESLint=0/0/0, go build=0, 17/17 测试通过

frontend/src/components/monitor/AlertManager.tsx

@@ -76,15 +76,15 @@ export function AlertManager() {
   ];
 
   const pageTabs = [
-    { id: 'events', label: i18n.t('告警事件') },
+    { id: 'events', label: i18n.t('monitor.alertMgr2.alertEvents') },
     { id: 'rules', label: i18n.t('monitor.alertRules') },
   ];
 
   return (
     <PageShell
       variant="list"
-      title={i18n.t('监控告警')}
-      subtitle={i18n.t('告警规则管理与告警事件处理')}
+      title={i18n.t('monitor.alertMgr2.monitorAlert')}
+      subtitle={i18n.t('monitor.alertMgr2.subtitle')}
       icon={<Bell className="h-5 w-5" />}
       tabs={pageTabs}
       activeTab={activeTab}
@@ -94,7 +94,7 @@ export function AlertManager() {
           items={[
             { 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('今日告警'), value: alerts.length, color: 'amber' },
+            { label: i18n.t('monitor.alertMgr2.todayAlerts'), value: alerts.length, color: 'amber' },
             { label: i18n.t('kubernetes.msg.uncordonSuccess'), value: alerts.filter((e) => e.status === 'resolved').length, color: 'emerald' },
           ]}
         />