fix: restoreWithMnemonic returns per-unit balances instead of single BigInt

lib/providers/wallet_provider.dart

@@ -1946,15 +1946,16 @@ class WalletProvider extends ChangeNotifier {
   }
 
   /// Restaura tokens usando otro mnemonic y los transfiere al wallet actual.
-  Future<BigInt> restoreWithMnemonic(
+  /// Retorna un mapa con la unidad como clave y el balance recuperado como valor.
+  Future<Map<String, BigInt>> restoreWithMnemonic(
     String mnemonic,
     List<String> mintUrls,
   ) async {
     if (_db == null || _mnemonic == null) {
       throw Exception('WalletProvider no inicializado');
     }
 
-    BigInt totalRecovered = BigInt.zero;
+    final recoveredByUnit = <String, BigInt>{};
 
     // Normalizar mnemonic
     final normalizedMnemonic =
@@ -2001,7 +2002,7 @@ class WalletProvider extends ChangeNotifier {
               // Reclamar en nuestro wallet
               final ourWallet = await getWallet(mintUrl, unit);
               final received = await ourWallet.receive(token: result.token);
-              totalRecovered += received;
+              recoveredByUnit[unit] = (recoveredByUnit[unit] ?? BigInt.zero) + received;
             }
           } catch (e) {
             debugPrint('Error restaurando $mintUrl:$unit: $e');
@@ -2022,7 +2023,7 @@ class WalletProvider extends ChangeNotifier {
     }
 
     notifyListeners();
-    return totalRecovered;
+    return recoveredByUnit;
   }
 
   // ============================================================

lib/screens/8_settings/recover_tokens_modal.dart

@@ -668,20 +668,24 @@ class _RecoverTokensModalState extends State<RecoverTokensModal> {
           return;
         }
 
-        final recovered = await walletProvider.restoreWithMnemonic(
+        final recoveredMap = await walletProvider.restoreWithMnemonic(
           mnemonic,
           mintUrls,
         );
 
         if (!mounted) return;
         setState(() {
           _isSuccess = true;
-          if (recovered > BigInt.zero) {
-            // Usamos la unidad activa como aproximación para el formato
-            final activeUnit = walletProvider.activeUnit;
-            final formatted = UnitFormatter.formatBalance(recovered, activeUnit);
-            final label = UnitFormatter.getUnitLabel(activeUnit);
-            _result = l10n.recoveredAndTransferred(formatted, label);
+          final recoveredDetails = <String>[];
+          for (final entry in recoveredMap.entries) {
+            if (entry.value > BigInt.zero) {
+              final formatted = UnitFormatter.formatBalance(entry.value, entry.key);
+              final label = UnitFormatter.getUnitLabel(entry.key);
+              recoveredDetails.add('$formatted $label');
+            }
+          }
+          if (recoveredDetails.isNotEmpty) {
+            _result = l10n.recoveredTokens(recoveredDetails.join(", "), recoveredDetails.length);
           } else {
             _result = l10n.noTokensForMnemonic;
           }

test/widget_test.dart

@@ -13,7 +13,7 @@ import 'package:elcaju/main.dart';
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
+    await tester.pumpWidget(const ElCajuApp());
 
     // Verify that our counter starts at 0.
     expect(find.text('0'), findsOneWidget);