feat(backend): expose payment detail transferTime in protocol summary.

Let protocol-audit list show first-pay times from transfer records.

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/api/qc-work-order.ts

@@ -25,6 +25,7 @@ export type QcProtocolPaymentDetailSummary = {
   transferAmount?: number | null
   payStatus?: string
   payStatusLabel?: string
+  transferTime?: string
 }
 
 export type QcProtocolSiblingSample = {