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

frontend/pweb/lib/pages/dashboard/payouts/multiple/sections/sample/data.dart

@@ -1,6 +1,5 @@
 import 'package:pweb/models/payment/multiple_payouts/csv_row.dart';
 
-
 const String sampleFileName = 'sample.csv';
 
 final List<CsvPayoutRow> sampleRows = [
@@ -11,6 +10,7 @@ final List<CsvPayoutRow> sampleRows = [
     expMonth: 12,
     expYear: 27,
     amount: "500",
+    comment: "Salary payout",
   ),
   CsvPayoutRow(
     pan: "9022****12",
@@ -27,16 +27,26 @@ final List<CsvPayoutRow> sampleRows = [
     expMonth: 3,
     expYear: 28,
     amount: "120",
+    comment: "Refund",
   ),
 ];
 
 String buildSampleCsvContent() {
   final rows = <String>[
-    'pan,first_name,last_name,exp_month,exp_year,amount',
+    'pan,first_name,last_name,exp_month,exp_year,amount,comment',
     ...sampleRows.map(
       (row) =>
-          '${row.pan},${row.firstName},${row.lastName},${row.expMonth},${row.expYear},${row.amount}',
+          '${row.pan},${row.firstName},${row.lastName},${row.expMonth},${row.expYear},${row.amount},${_escapeCsvCell(row.comment)}',
     ),
   ];
   return rows.join('\n');
 }
+
+String _escapeCsvCell(String? value) {
+  if (value == null || value.isEmpty) return '';
+  if (!value.contains(',') && !value.contains('"') && !value.contains('\n')) {
+    return value;
+  }
+  final escaped = value.replaceAll('"', '""');
+  return '"$escaped"';
+}

frontend/pweb/lib/pages/dashboard/payouts/multiple/sections/sample/table.dart

@@ -6,10 +6,7 @@ import 'package:pweb/generated/i18n/app_localizations.dart';
 
 
 class FileFormatSampleTable extends StatelessWidget {
-  const FileFormatSampleTable({
-    super.key,
-    required this.rows,
-  });
+  const FileFormatSampleTable({super.key, required this.rows});
 
   final List<CsvPayoutRow> rows;
 
@@ -24,6 +21,7 @@ class FileFormatSampleTable extends StatelessWidget {
         DataColumn(label: Text(l10n.lastName)),
         DataColumn(label: Text(l10n.expiryDate)),
         DataColumn(label: Text(l10n.amountColumn)),
+        DataColumn(label: Text(l10n.commentColumn)),
       ],
       rows: rows.map((row) {
         return DataRow(
@@ -35,6 +33,7 @@ class FileFormatSampleTable extends StatelessWidget {
               Text('${row.expMonth.toString().padLeft(2, '0')}/${row.expYear}'),
             ),
             DataCell(Text(row.amount)),
+            DataCell(Text(row.comment ?? '')),
           ],
         );
       }).toList(),