完善运营端报备流程与页面标题

src/apps/admin/AdminSignatureAuditPage.tsx

@@ -1,6 +1,6 @@
 import { useMemo, useState } from 'react';
 import { Eye, Search } from 'lucide-react';
-import { Button, Input, Modal, Select, Table, Tag, type TableColumn } from '@/components/ui';
+import { Breadcrumb, Button, Input, Modal, Select, Table, Tag, type TableColumn } from '@/components/ui';
 
 type MmsAuditStatus = 'pending' | 'approved' | 'rejected';
 
@@ -135,7 +135,7 @@ export function AdminSignatureAuditPage() {
 
   return (
     <section className="page-stack admin-audit-page">
-      <div className="breadcrumb-line"><span>审核中心</span><span>/</span><strong>彩信模板审核</strong></div>
+      <Breadcrumb items={['审核中心', '彩信模板审核']} />
 
       <div className="surface audit-filter-card">
         <div className="audit-filter-grid audit-filter-grid--enterprise">