feat: add carrier-aware signature retirement alerts

src/apps/admin/AdminReportTasksPage.tsx

@@ -39,6 +39,8 @@ function TaskDetailModal({ task, onClose }: { task: ReportTask; onClose: () => v
         <div><span>企业</span><strong>{task.signature?.tenant?.name ?? task.tenantId}</strong></div>
         <div><span>企业应用</span><strong>{task.signature?.application?.name ?? '未指定应用'}</strong></div>
         <div><span>通道</span><strong>{task.channel?.name ?? task.channelId}</strong></div>
+        {task.reportType !== 'drainage' ? <div><span>运营商</span><strong>{task.carrier ? ({ mobile: '移动', unicom: '联通', telecom: '电信' } as const)[task.carrier] : '历史通道级（未拆分）'}</strong></div> : null}
+        {task.reportType !== 'drainage' ? <div><span>当前通过时间</span><strong>{task.approvedAt ? formatDateTime(task.approvedAt) : '-'}</strong></div> : null}
         <div><span>当前状态</span><Tag tone={status.tone}>{status.label}</Tag></div>
         <div><span>创建时间</span><strong>{formatDateTime(task.createdAt)}</strong></div>
         <div><span>最后更新时间</span><strong>{formatDateTime(task.updatedAt)}</strong></div>
@@ -107,6 +109,7 @@ export function AdminReportTasksPage() {
         items: [{
           signatureId: statusTask.signatureId,
           channelId: statusTask.channelId,
+          carrier: statusTask.carrier ?? undefined,
           reportType: statusTask.reportType,
           drainageItemId: statusTask.drainageItemId ?? undefined,
           status: nextStatus,
@@ -127,7 +130,7 @@ export function AdminReportTasksPage() {
   const columns: Array<TableColumn<ReportTask>> = [
     { key: 'target', title: '报备对象', render: (record) => <div><strong>{taskTargetLabel(record)}</strong><div className="muted">{record.reportType === 'drainage' ? '引流信息' : '签名'} · {record.signature?.tenant?.name ?? record.tenantId}</div></div> },
     { key: 'application', title: '企业应用', render: (record) => record.signature?.application?.name ?? '未指定应用' },
-    { key: 'channel', title: '通道', render: (record) => record.channel?.name ?? record.channelId },
+    { key: 'channel', title: '通道/运营商', render: (record) => <div><strong>{record.channel?.name ?? record.channelId}</strong>{record.reportType !== 'drainage' ? <div className="muted">{record.carrier ? ({ mobile: '移动', unicom: '联通', telecom: '电信' } as const)[record.carrier] : '历史通道级（未拆分）'}</div> : null}</div> },
     { key: 'batch', title: '批次/版本', render: (record) => {
       const source = record.exportItems?.[0];
       return source ? <div><strong>{source.batchItem.batch.batchNo}</strong><div className="muted">V{source.batchItem.materialVersion} · 第{source.rowNumber}行</div></div> : '-';
@@ -142,7 +145,7 @@ export function AdminReportTasksPage() {
   ];
 
   return <section className="page-stack admin-sms-task-page report-task-page">
-    <div className="page-heading"><div><Breadcrumb items={['报备任务', '报备明细']} /><h1>签名与引流信息报备明细</h1><p>一条明细对应一个签名或引流信息在一个具体通道上的当前报备状态。</p></div></div>
+    <div className="page-heading"><div><Breadcrumb items={['报备任务', '报备明细']} /><h1>签名与引流信息报备明细</h1><p>签名明细对应一个签名在具体通道和运营商下的当前状态；引流信息继续按具体通道展示。</p></div></div>
     {error ? <p className="form-error">{error}</p> : null}
     <div className="surface admin-task-filter">
       <Input label="企业/应用/通道/报备对象" onChange={(event) => setKeyword(event.target.value)} placeholder="搜索报备明细" value={keyword} />