add log for payment

apps/edr-payment-api/src/modules/cbe-bill/cbe-bill.service.ts

@@ -169,6 +169,14 @@ export class CbeBillService {
   async pay(dto: CbePaymentRequestDto): Promise<CbePaymentResponseDto> {
     this.assertEnabled();
 
+    this.logger.log({
+      msg: "cbe.payment.request",
+      billId: dto.Bill_Id,
+      endToEndTxnId: dto.End_To_End_Txn_Id,
+      cbeTxnRef: dto.Cbe_Txn_Ref,
+      request: dto,
+    });
+
     // §6.5 idempotency on CBE's per-attempt id, in order.
     const prior = await this.cbeBillRepository.findByEndToEndTxnId(
       dto.End_To_End_Txn_Id,