improved ledger account discovery

frontend/pweb/lib/pages/payment_methods/icon.dart

@@ -6,17 +6,25 @@ import 'package:pshared/models/payment/type.dart';
 IconData iconForPaymentType(PaymentType type) {
   switch (type) {
     case PaymentType.bankAccount:
-      return Icons.account_balance;
+      return Icons.account_balance; // bank / institution
+
     case PaymentType.iban:
-      return Icons.language;
+      return Icons.public; // cross-border / international account
+
+    case PaymentType.ledger:
+      return Icons.account_balance; // internal ledger account (best fit)
+
     case PaymentType.wallet:
-      return Icons.account_balance_wallet;
+      return Icons.account_balance_wallet; // user wallet / stored funds
+
     case PaymentType.card:
-      return Icons.credit_card;
+    case PaymentType.cardToken:
+      return Icons.credit_card; // card rail
+
     case PaymentType.externalChain:
-      return Icons.currency_bitcoin;
-    //TODO: define new payment methods
-    default:
-      return Icons.question_mark;
+      return Icons.hub; // network / blockchain, not "bitcoin"
+
+    case PaymentType.managedWallet:
+      return Icons.currency_bitcoin; // custodial / managed / controlled
   }
 }