added comment for payment, changed intent and added amount ui in operations

frontend/pweb/lib/utils/payment/multiple/csv_parser.dart

@@ -45,12 +45,12 @@ class MultipleCsvParser {
       'expiry_year',
     ]);
     final amountIndex = _resolveHeaderIndex(header, const ['amount', 'sum']);
+    final commentIndex = _resolveHeaderIndex(header, const ['comment']);
 
     if (panIndex < 0 ||
         firstNameIndex < 0 ||
         lastNameIndex < 0 ||
-        (expDateIndex < 0 &&
-            (expMonthIndex < 0 || expYearIndex < 0)) ||
+        (expDateIndex < 0 && (expMonthIndex < 0 || expYearIndex < 0)) ||
         amountIndex < 0) {
       throw FormatException(
         'CSV header must contain pan, first_name, last_name, amount columns and either exp_date/expiry or exp_month and exp_year',
@@ -67,6 +67,7 @@ class MultipleCsvParser {
       final expMonthRaw = _cell(raw, expMonthIndex);
       final expYearRaw = _cell(raw, expYearIndex);
       final amount = _normalizeAmount(_cell(raw, amountIndex));
+      final comment = commentIndex >= 0 ? _cell(raw, commentIndex) : '';
 
       if (pan.isEmpty) {
         throw FormatException('CSV row ${i + 1}: pan is required');
@@ -117,6 +118,7 @@ class MultipleCsvParser {
           expMonth: expMonth,
           expYear: expYear,
           amount: amount,
+          comment: _normalizeComment(comment),
         ),
       );
     }
@@ -206,6 +208,11 @@ class MultipleCsvParser {
     return value.trim().replaceAll(' ', '').replaceAll(',', '.');
   }
 
+  String? _normalizeComment(String value) {
+    final normalized = value.trim();
+    return normalized.isEmpty ? null : normalized;
+  }
+
   _ExpiryDate _parseExpiryDate(String value, int rowNumber) {
     final match = RegExp(r'^\s*(\d{1,2})\s*/\s*(\d{2})\s*$').firstMatch(value);
     if (match == null) {

frontend/pweb/lib/utils/payment/multiple/intent_builder.dart

@@ -1,4 +1,5 @@
 import 'package:pshared/models/money.dart';
+import 'package:pshared/models/payment/customer.dart';
 import 'package:pshared/models/payment/fees/treatment.dart';
 import 'package:pshared/models/payment/intent.dart';
 import 'package:pshared/models/payment/kind.dart';
@@ -9,6 +10,7 @@ import 'package:pshared/utils/payment/fx_helpers.dart';
 
 import 'package:pweb/models/payment/multiple_payouts/csv_row.dart';
 
+
 class MultipleIntentBuilder {
   static const String _currency = 'RUB';
 
@@ -23,22 +25,33 @@ class MultipleIntentBuilder {
     );
 
     return rows
-        .map((row) {
+        .asMap()
+        .entries
+        .map((entry) {
+          final rowIndex = entry.key;
+          final row = entry.value;
           final amount = Money(amount: row.amount, currency: _currency);
+          final destination = CardPaymentMethod(
+            pan: row.pan,
+            firstName: row.firstName,
+            lastName: row.lastName,
+            expMonth: row.expMonth,
+            expYear: row.expYear,
+          );
           return PaymentIntent(
             kind: PaymentKind.payout,
             source: sourceMethod,
-            destination: CardPaymentMethod(
-              pan: row.pan,
-              firstName: row.firstName,
-              lastName: row.lastName,
-              expMonth: row.expMonth,
-              expYear: row.expYear,
-            ),
+            destination: destination,
             amount: amount,
             feeTreatment: FeeTreatment.addToSource,
             settlementMode: SettlementMode.fixReceived,
             fx: fxIntent,
+            comment: row.comment,
+            customer: Customer(
+              id: 'csv_row_${rowIndex + 1}',
+              firstName: destination.firstName,
+              lastName: destination.lastName,
+            ),
           );
         })
         .toList(growable: false);