fix: validate signatures and restore report metrics

src/apps/admin/AdminReportMaterialsPage.tsx

@@ -3,6 +3,7 @@ import { AlertTriangle, CheckCircle2, Download, FileSpreadsheet, Layers3, Refres
 import { adminApi, fileDownloadUrl, type ReportMaterialBatchPreflight, type ReportMaterialBatchResult, type ReportMaterialPendingItem } from '@/api/adminApi';
 import { Breadcrumb, Button, Input, Modal, Select, Tag } from '@/components/ui';
 import { formatDateTime } from '@/utils/dateTime';
+import { createUuid } from '@/utils/randomId';
 import { ReportMaterialImportModal } from './ReportMaterialImportModal';
 
 type Batch = Record<string, unknown> & { id: string; batchNo?: string; status?: string; createdAt?: string; selectedCount?: number; channelCount?: number; exportFiles?: Array<Record<string, unknown>> };
@@ -49,7 +50,7 @@ export function AdminReportMaterialsPage() {
     const chosen = items.filter((item) => selected.has(item.id));
     if (!chosen.length) { setError('请先选择具备报备资格的资料'); return; }
     setConfirmOpen(true); setPreflightBusy(true); setPreflight(null); setBatchResult(null); setError(''); setMessage('');
-    setOperationKey(`report-batch:${crypto.randomUUID()}`);
+    setOperationKey(`report-batch:${createUuid()}`);
     try { setPreflight(await adminApi.preflightReportMaterialBatch({ items: chosen.map(toBatchItem) })); }
     catch (failure) { setError(failure instanceof Error ? failure.message : '报备资格预检失败'); }
     finally { setPreflightBusy(false); }