Fix

frontend/pshared/lib/models/payment/quote/quotes.dart

@@ -4,11 +4,13 @@ import 'package:pshared/models/payment/quote/aggregate.dart';
 
 class PaymentQuotes {
   final String quoteRef;
+  final String? idempotencyKey;
   final PaymentQuoteAggregate? aggregate;
   final List<PaymentQuote>? quotes;
 
   const PaymentQuotes({
     required this.quoteRef,
+    required this.idempotencyKey,
     required this.aggregate,
     required this.quotes,
   });