feat(platform): frame notifications as customer closure

vehicle-data-platform/apps/web/src/pages/NotificationRules.tsx

@@ -773,7 +773,7 @@ export function NotificationRules() {
 
   return (
     <div className="vp-page">
-      <PageHeader title="通知规则" description="集中管理告警触发条件、通知对象、升级时间和验收标准，让断链与数据质量问题可追踪、可通知、可闭环" />
+      <PageHeader title="通知闭环" description="面向客户交付告警影响、通知对象、升级时限和恢复验收；规则配置只作为闭环背后的证据。" />
       <Card bordered loading={loading} className="vp-notification-customer-board" bodyStyle={{ padding: 0 }}>
         <div className="vp-notification-customer-summary">
           <Space wrap>