feat: add carrier-aware signature retirement alerts

src/layouts/AdminLayout.tsx

@@ -46,6 +46,7 @@ export function AdminLayout() {
 
 function AdminAuthenticatedLayout({ session }: { session: LoginSession }) {
   const [pendingAudits, setPendingAudits] = useState(EMPTY_PENDING_AUDITS);
+  const [retirementUnreadCount, setRetirementUnreadCount] = useState(0);
   const [sessionLocked, setSessionLocked] = useState(Boolean(session.locked));
   const loadPendingAuditCount = useCallback(() => {
     const currentSession = readSession('admin');
@@ -54,12 +55,14 @@ function AdminAuthenticatedLayout({ session }: { session: LoginSession }) {
       return;
     }
     // This runs globally and on a timer, so it must not fan out through the full dashboard aggregation.
-    adminApi.getPendingAudits()
-      .then((counts) => {
-        setPendingAudits(counts);
+    Promise.allSettled([adminApi.getPendingAudits(), adminApi.getSignatureRetirementUnreadCount()])
+      .then(([audits, retirement]) => {
+        setPendingAudits(audits.status === 'fulfilled' ? audits.value : EMPTY_PENDING_AUDITS);
+        setRetirementUnreadCount(retirement.status === 'fulfilled' ? retirement.value.count : 0);
       })
       .catch(() => {
         setPendingAudits(EMPTY_PENDING_AUDITS);
+        setRetirementUnreadCount(0);
       });
   }, []);
 
@@ -73,10 +76,12 @@ function AdminAuthenticatedLayout({ session }: { session: LoginSession }) {
     const onAuditRefresh = () => loadPendingAuditCount();
     window.addEventListener('focus', onFocus);
     window.addEventListener('cmpp-audit-count-refresh', onAuditRefresh);
+    window.addEventListener('cmpp-retirement-count-refresh', onAuditRefresh);
     return () => {
       window.clearInterval(timer);
       window.removeEventListener('focus', onFocus);
       window.removeEventListener('cmpp-audit-count-refresh', onAuditRefresh);
+      window.removeEventListener('cmpp-retirement-count-refresh', onAuditRefresh);
     };
   }, [loadPendingAuditCount, session.portal, sessionLocked]);
 
@@ -90,6 +95,7 @@ function AdminAuthenticatedLayout({ session }: { session: LoginSession }) {
       userName={session.user.displayName}
       userRole="平台管理员"
       onSessionLockedChange={setSessionLocked}
+      retirementAlert={{ count: retirementUnreadCount, to: '/admin/signature-retirement' }}
       auditNotifications={[
         { label: '企业认证待审', count: pendingAudits.enterpriseCertifications, to: '/admin/enterprise-audit' },
         { label: '短信审核待审', count: pendingAudits.smsAudits, to: '/admin/sms-audit' },
@@ -105,7 +111,7 @@ function AdminAuthenticatedLayout({ session }: { session: LoginSession }) {
             { label: '运营看板', to: '/admin', icon: Gauge },
             { label: '发送监控', to: '/admin/monitor', icon: Activity },
             { label: '网关异常', to: '/admin/gateway-submit-exceptions', icon: AlertTriangle },
-            { label: '数据统计', to: '/admin/analytics', icon: BarChart3 },
+            { label: '签名质量检测', to: '/admin/analytics', icon: BarChart3 },
           ],
         },
         {
@@ -181,6 +187,7 @@ function AdminAuthenticatedLayout({ session }: { session: LoginSession }) {
           icon: Shield,
           items: [
             { label: '风控规则', to: '/admin/risk-rules', icon: Shield },
+            { label: '签名清退预警', to: '/admin/signature-retirement', icon: AlertTriangle },
             { label: '企业黑名单', to: '/admin/enterprise-blacklist', icon: UserX },
             { label: '全局黑名单', to: '/admin/global-blacklist', icon: ShieldOff },
             { label: '敏感词管理', to: '/admin/sensitive-words', icon: Shield },