fix: split APK per ABI to reduce size (~40MB vs 125MB)

fix: improve Lightning deposit UX and global confetti

.github/workflows/release.yml

@@ -0,0 +1,61 @@
+name: Release APK
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: aarch64-linux-android,armv7-linux-androideabi,x86_64-linux-android
+
+      - name: Install Android NDK
+        run: echo "y" | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager "ndk;27.0.12077973"
+
+      - name: Install dependencies
+        run: flutter pub get
+
+      - name: Generate localizations
+        run: flutter gen-l10n
+
+      - name: Build release APKs
+        run: flutter build apk --release --split-per-abi
+
+      - name: Rename APKs
+        run: |
+          cd build/app/outputs/flutter-apk
+          mv app-arm64-v8a-release.apk elcaju-${{ github.ref_name }}-arm64.apk
+          mv app-armeabi-v7a-release.apk elcaju-${{ github.ref_name }}-armeabi-v7a.apk
+          mv app-x86_64-release.apk elcaju-${{ github.ref_name }}-x86_64.apk
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            build/app/outputs/flutter-apk/elcaju-${{ github.ref_name }}-arm64.apk
+            build/app/outputs/flutter-apk/elcaju-${{ github.ref_name }}-armeabi-v7a.apk
+            build/app/outputs/flutter-apk/elcaju-${{ github.ref_name }}-x86_64.apk
+          generate_release_notes: true

l10n.yaml

@@ -2,3 +2,4 @@ arb-dir: lib/l10n
 template-arb-file: app_es.arb
 output-localization-file: app_localizations.dart
 output-class: L10n
+synthetic-package: false

lib/core/utils/keyset_debug.dart

@@ -0,0 +1,108 @@
+/// Utilidad para leer datos del SQLite de CDK.
+/// Usado para:
+/// - Debug de keyset counters
+/// - Leer input_fee_ppk para cálculo de fees
+/// - Contar proofs unspent para consolidación P2PK
+library;
+
+import 'package:flutter/foundation.dart';
+import 'package:sqflite/sqflite.dart';
+import 'package:path_provider/path_provider.dart';
+
+class KeysetDebug {
+  static Database? _db;
+
+  /// Abre la DB de CDK en modo solo lectura.
+  static Future<Database> _getDb() async {
+    if (_db != null && _db!.isOpen) return _db!;
+
+    final dir = await getApplicationDocumentsDirectory();
+    final dbPath = '${dir.path}/elcaju_wallet.sqlite';
+
+    _db = await openDatabase(dbPath, readOnly: true);
+    return _db!;
+  }
+
+  /// Lee todos los keysets con sus counters y los imprime.
+  /// Retorna el counter del keyset activo (si hay uno).
+  static Future<void> logCounters(String label) async {
+    try {
+      final db = await _getDb();
+
+      final rows = await db.rawQuery(
+        'SELECT id, unit, active, counter FROM keyset ORDER BY active DESC, unit ASC',
+      );
+
+      debugPrint('[COUNTER DEBUG] ===== $label =====');
+      debugPrint('[COUNTER DEBUG] Total keysets: ${rows.length}');
+
+      for (final row in rows) {
+        final id = row['id'] as String?;
+        final unit = row['unit'] as String?;
+        final active = row['active'] as int?;
+        final counter = row['counter'] as int?;
+        final shortId = (id != null && id.length > 12) ? id.substring(0, 12) : id;
+
+        debugPrint(
+          '[COUNTER DEBUG]   keyset=$shortId  unit=$unit  active=$active  counter=$counter',
+        );
+      }
+    } catch (e) {
+      debugPrint('[COUNTER DEBUG] Error leyendo counters: $e');
+    }
+  }
+
+  /// Lee el input_fee_ppk del keyset activo para un mint y unidad.
+  ///
+  /// IMPORTANTE: Lee directamente del schema interno de CDK (tabla `keyset`,
+  /// columna `input_fee_ppk`). Escrito para CDK 0.13.4 (cdk-flutter actual).
+  /// Si CDK cambia el schema (ej: en 0.14.x con rusqlite), este query puede
+  /// fallar. En caso de error retorna -1 (asume fees > 0) para bloquear P2PK
+  /// de forma segura — nunca retornar 0 en error porque permitiria P2PK en
+  /// mints con fees, causando perdida de fondos.
+  ///
+  /// TODO: Revisar este codigo al actualizar cdk-flutter a CDK 0.14.x.
+  /// Idealmente cdk-flutter deberia exponer getActiveKeyset().inputFeePpk
+  /// via API publica en lugar de leer SQLite directamente.
+  static Future<int> getInputFeePpk(String mintUrl, String unit) async {
+    try {
+      final db = await _getDb();
+      final rows = await db.rawQuery(
+        'SELECT input_fee_ppk FROM keyset WHERE active=1 AND unit=? AND mint_url=?',
+        [unit, mintUrl],
+      );
+      if (rows.isEmpty) {
+        debugPrint('[KEYSET DEBUG] No active keyset found for $mintUrl/$unit');
+        return -1;
+      }
+      return (rows.first['input_fee_ppk'] as int?) ?? 0;
+    } catch (e) {
+      debugPrint('[KEYSET DEBUG] Error leyendo input_fee_ppk: $e');
+      // Fail-safe: asumir fees > 0 para bloquear P2PK ante schema desconocido
+      return -1;
+    }
+  }
+
+  /// Cuenta los proofs UNSPENT de un mint y unidad.
+  /// Retorna 0 si no se encuentra o hay error.
+  static Future<int> getUnspentProofCount(String mintUrl, String unit) async {
+    try {
+      final db = await _getDb();
+      final rows = await db.rawQuery(
+        'SELECT COUNT(*) as count FROM proof WHERE state=? AND mint_url=? AND unit=?',
+        ['UNSPENT', mintUrl, unit],
+      );
+      if (rows.isEmpty) return 0;
+      return (rows.first['count'] as int?) ?? 0;
+    } catch (e) {
+      debugPrint('[KEYSET DEBUG] Error contando proofs: $e');
+      return 0;
+    }
+  }
+
+  /// Cierra la DB (llamar al final si es necesario).
+  static Future<void> close() async {
+    await _db?.close();
+    _db = null;
+  }
+}

lib/l10n/app_de.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "nsec importieren",
   "p2pkImport": "Importieren",
   "p2pkEnterLabel": "Name für diesen Schlüssel",
-  "p2pkLockToKey": "An öffentlichen Schlüssel sperren",
+  "p2pkLockToKey": "Senden mit P2PK-Signatur",
   "p2pkLockDescription": "Nur der Empfänger kann einlösen",
   "p2pkReceiverPubkey": "npub1... oder hex (64/66 Zeichen)",
   "p2pkInvalidPubkey": "Ungültiger öffentlicher Schlüssel",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "Ungültiger nsec",
   "p2pkErrorKeyAlreadyExists": "Dieser Schlüssel existiert bereits",
   "p2pkErrorKeyNotFound": "Schlüssel nicht gefunden",
-  "p2pkErrorCannotDeletePrimary": "Primärschlüssel kann nicht gelöscht werden"
+  "p2pkErrorCannotDeletePrimary": "Primärschlüssel kann nicht gelöscht werden",
+  "p2pkSendComingSoon": "Demnächst verfügbar"
 }

lib/l10n/app_en.arb

@@ -382,7 +382,7 @@
   "p2pkImportNsec": "Import nsec",
   "p2pkImport": "Import",
   "p2pkEnterLabel": "Name for this key",
-  "p2pkLockToKey": "Lock to public key",
+  "p2pkLockToKey": "Send with P2PK signature",
   "p2pkLockDescription": "Only the recipient can claim",
   "p2pkReceiverPubkey": "npub1... or hex (64/66 chars)",
   "p2pkInvalidPubkey": "Invalid public key",
@@ -398,5 +398,6 @@
   "p2pkErrorInvalidNsec": "Invalid nsec",
   "p2pkErrorKeyAlreadyExists": "This key already exists",
   "p2pkErrorKeyNotFound": "Key not found",
-  "p2pkErrorCannotDeletePrimary": "Cannot delete primary key"
+  "p2pkErrorCannotDeletePrimary": "Cannot delete primary key",
+  "p2pkSendComingSoon": "Coming soon"
 }

lib/l10n/app_es.arb

@@ -502,7 +502,7 @@
   "p2pkImportNsec": "Importar nsec",
   "p2pkImport": "Importar",
   "p2pkEnterLabel": "Nombre para esta clave",
-  "p2pkLockToKey": "Bloquear a clave pública",
+  "p2pkLockToKey": "Envío con firma P2PK",
   "p2pkLockDescription": "Solo el destinatario podrá reclamar",
   "p2pkReceiverPubkey": "npub1... o hex (64/66 caracteres)",
   "p2pkInvalidPubkey": "Clave pública inválida",
@@ -518,5 +518,6 @@
   "p2pkErrorInvalidNsec": "nsec inválido",
   "p2pkErrorKeyAlreadyExists": "Esta clave ya existe",
   "p2pkErrorKeyNotFound": "Clave no encontrada",
-  "p2pkErrorCannotDeletePrimary": "No se puede eliminar la clave principal"
+  "p2pkErrorCannotDeletePrimary": "No se puede eliminar la clave principal",
+  "p2pkSendComingSoon": "Disponible próximamente"
 }

lib/l10n/app_fr.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "Importer nsec",
   "p2pkImport": "Importer",
   "p2pkEnterLabel": "Nom pour cette clé",
-  "p2pkLockToKey": "Verrouiller à la clé publique",
+  "p2pkLockToKey": "Envoi avec signature P2PK",
   "p2pkLockDescription": "Seul le destinataire peut réclamer",
   "p2pkReceiverPubkey": "npub1... ou hex (64/66 caractères)",
   "p2pkInvalidPubkey": "Clé publique invalide",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "nsec invalide",
   "p2pkErrorKeyAlreadyExists": "Cette clé existe déjà",
   "p2pkErrorKeyNotFound": "Clé non trouvée",
-  "p2pkErrorCannotDeletePrimary": "Impossible de supprimer la clé principale"
+  "p2pkErrorCannotDeletePrimary": "Impossible de supprimer la clé principale",
+  "p2pkSendComingSoon": "Bientôt disponible"
 }

lib/l10n/app_it.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "Importa nsec",
   "p2pkImport": "Importa",
   "p2pkEnterLabel": "Nome per questa chiave",
-  "p2pkLockToKey": "Blocca a chiave pubblica",
+  "p2pkLockToKey": "Invio con firma P2PK",
   "p2pkLockDescription": "Solo il destinatario può riscattare",
   "p2pkReceiverPubkey": "npub1... o hex (64/66 caratteri)",
   "p2pkInvalidPubkey": "Chiave pubblica non valida",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "nsec non valido",
   "p2pkErrorKeyAlreadyExists": "Questa chiave esiste già",
   "p2pkErrorKeyNotFound": "Chiave non trovata",
-  "p2pkErrorCannotDeletePrimary": "Impossibile eliminare la chiave principale"
+  "p2pkErrorCannotDeletePrimary": "Impossibile eliminare la chiave principale",
+  "p2pkSendComingSoon": "Disponibile prossimamente"
 }

lib/l10n/app_ja.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "nsecをインポート",
   "p2pkImport": "インポート",
   "p2pkEnterLabel": "この鍵の名前",
-  "p2pkLockToKey": "公開鍵にロック",
+  "p2pkLockToKey": "P2PK署名で送信",
   "p2pkLockDescription": "受取人のみが請求可能",
   "p2pkReceiverPubkey": "npub1... または hex（64/66文字）",
   "p2pkInvalidPubkey": "無効な公開鍵",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "無効なnsec",
   "p2pkErrorKeyAlreadyExists": "この鍵は既に存在します",
   "p2pkErrorKeyNotFound": "鍵が見つかりません",
-  "p2pkErrorCannotDeletePrimary": "プライマリ鍵は削除できません"
+  "p2pkErrorCannotDeletePrimary": "プライマリ鍵は削除できません",
+  "p2pkSendComingSoon": "近日公開"
 }

lib/l10n/app_ko.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "nsec 가져오기",
   "p2pkImport": "가져오기",
   "p2pkEnterLabel": "이 키의 이름",
-  "p2pkLockToKey": "공개 키로 잠금",
+  "p2pkLockToKey": "P2PK 서명으로 전송",
   "p2pkLockDescription": "수신자만 청구 가능",
   "p2pkReceiverPubkey": "npub1... 또는 hex (64/66자)",
   "p2pkInvalidPubkey": "유효하지 않은 공개 키",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "유효하지 않은 nsec",
   "p2pkErrorKeyAlreadyExists": "이 키는 이미 존재합니다",
   "p2pkErrorKeyNotFound": "키를 찾을 수 없습니다",
-  "p2pkErrorCannotDeletePrimary": "기본 키는 삭제할 수 없습니다"
+  "p2pkErrorCannotDeletePrimary": "기본 키는 삭제할 수 없습니다",
+  "p2pkSendComingSoon": "곧 출시 예정"
 }

lib/l10n/app_pt.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "Importar nsec",
   "p2pkImport": "Importar",
   "p2pkEnterLabel": "Nome para esta chave",
-  "p2pkLockToKey": "Bloquear para chave pública",
+  "p2pkLockToKey": "Envio com assinatura P2PK",
   "p2pkLockDescription": "Apenas o destinatário pode resgatar",
   "p2pkReceiverPubkey": "npub1... ou hex (64/66 caracteres)",
   "p2pkInvalidPubkey": "Chave pública inválida",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "nsec inválido",
   "p2pkErrorKeyAlreadyExists": "Esta chave já existe",
   "p2pkErrorKeyNotFound": "Chave não encontrada",
-  "p2pkErrorCannotDeletePrimary": "Não é possível excluir a chave principal"
+  "p2pkErrorCannotDeletePrimary": "Não é possível excluir a chave principal",
+  "p2pkSendComingSoon": "Em breve disponível"
 }

lib/l10n/app_ru.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "Импортировать nsec",
   "p2pkImport": "Импортировать",
   "p2pkEnterLabel": "Имя для этого ключа",
-  "p2pkLockToKey": "Заблокировать на публичный ключ",
+  "p2pkLockToKey": "Отправка с подписью P2PK",
   "p2pkLockDescription": "Только получатель может получить",
   "p2pkReceiverPubkey": "npub1... или hex (64/66 символов)",
   "p2pkInvalidPubkey": "Недействительный публичный ключ",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "Недействительный nsec",
   "p2pkErrorKeyAlreadyExists": "Этот ключ уже существует",
   "p2pkErrorKeyNotFound": "Ключ не найден",
-  "p2pkErrorCannotDeletePrimary": "Невозможно удалить основной ключ"
+  "p2pkErrorCannotDeletePrimary": "Невозможно удалить основной ключ",
+  "p2pkSendComingSoon": "Скоро будет доступно"
 }

lib/l10n/app_sw.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "Ingiza nsec",
   "p2pkImport": "Ingiza",
   "p2pkEnterLabel": "Jina la ufunguo huu",
-  "p2pkLockToKey": "Funga kwa ufunguo wa umma",
+  "p2pkLockToKey": "Tuma kwa saini ya P2PK",
   "p2pkLockDescription": "Mpokeaji pekee anaweza kudai",
   "p2pkReceiverPubkey": "npub1... au hex (herufi 64/66)",
   "p2pkInvalidPubkey": "Ufunguo wa umma batili",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "nsec batili",
   "p2pkErrorKeyAlreadyExists": "Ufunguo huu tayari upo",
   "p2pkErrorKeyNotFound": "Ufunguo haujapatikana",
-  "p2pkErrorCannotDeletePrimary": "Haiwezekani kufuta ufunguo mkuu"
+  "p2pkErrorCannotDeletePrimary": "Haiwezekani kufuta ufunguo mkuu",
+  "p2pkSendComingSoon": "Inakuja hivi karibuni"
 }

lib/l10n/app_zh.arb

@@ -501,7 +501,7 @@
   "p2pkImportNsec": "导入nsec",
   "p2pkImport": "导入",
   "p2pkEnterLabel": "此密钥的名称",
-  "p2pkLockToKey": "锁定到公钥",
+  "p2pkLockToKey": "P2PK签名发送",
   "p2pkLockDescription": "只有接收者可以领取",
   "p2pkReceiverPubkey": "npub1... 或 hex（64/66字符）",
   "p2pkInvalidPubkey": "无效的公钥",
@@ -517,5 +517,6 @@
   "p2pkErrorInvalidNsec": "无效的nsec",
   "p2pkErrorKeyAlreadyExists": "此密钥已存在",
   "p2pkErrorKeyNotFound": "未找到密钥",
-  "p2pkErrorCannotDeletePrimary": "无法删除主密钥"
+  "p2pkErrorCannotDeletePrimary": "无法删除主密钥",
+  "p2pkSendComingSoon": "即将推出"
 }

lib/main.dart

@@ -3,12 +3,13 @@ import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:provider/provider.dart';
 import 'package:cdk_flutter/cdk_flutter.dart' hide WalletProvider;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import 'core/theme/app_theme.dart';
 import 'providers/wallet_provider.dart';
 import 'providers/settings_provider.dart';
 import 'providers/price_provider.dart';
 import 'providers/p2pk_provider.dart';
+import 'widgets/effects/cashu_confetti.dart';
 import 'screens/1_splash/splash_screen.dart';
 
 void main() async {
@@ -83,6 +84,14 @@ class ElCajuApp extends StatelessWidget {
       ],
       locale: Locale(settingsProvider.locale),
 
+      builder: (context, child) {
+        final walletProvider = context.read<WalletProvider>();
+        return CashuConfetti(
+          controller: walletProvider.confettiController,
+          child: child ?? const SizedBox.shrink(),
+        );
+      },
+
       home: const SplashScreen(),
     );
   }

lib/providers/wallet_provider.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 import 'package:flutter/foundation.dart';
@@ -10,6 +11,8 @@ import 'package:uuid/uuid.dart';
 import '../data/transaction_meta_storage.dart';
 import '../data/pending_token.dart';
 import '../data/pending_token_storage.dart';
+import '../core/utils/keyset_debug.dart';
+import '../widgets/effects/cashu_confetti.dart';
 
 /// Helper class para info de token parseado
 class TokenInfo {
@@ -39,6 +42,9 @@ class WalletProvider extends ChangeNotifier {
   /// Storage para tokens pendientes de reclamar (Receive Later)
   final PendingTokenStorage _pendingTokenStorage = PendingTokenStorage();
 
+  /// Controller global de confetti para celebrar recepciones
+  final CashuConfettiController confettiController = CashuConfettiController();
+
   /// Generador de UUIDs
   static const _uuid = Uuid();
 
@@ -67,6 +73,7 @@ class WalletProvider extends ChangeNotifier {
   static const _mintsKey = 'wallet_mints';
   static const _activeMintKey = 'wallet_active_mint';
   static const _activeUnitKey = 'wallet_active_unit';
+  static const _pendingMintInvoicesKey = 'pending_mint_invoices';
 
   /// Mint de Cuba Bitcoin - siempre aparece primero en la lista
   static const cubaBitcoinMint = 'https://mint.cubabitcoin.org';
@@ -846,16 +853,55 @@ class WalletProvider extends ChangeNotifier {
         ? ReceiveOptions(signingKeys: [p2pkPrivateKey])
         : null;
 
+    // DEBUG: counters antes de receive
+    await KeysetDebug.logCounters('BEFORE receive ($unit)');
+
+    // DEBUG: transacciones ANTES del receive
+    await _debugLogTransactions(wallet, 'BEFORE receive');
+
     final amount = await wallet.receive(token: token, opts: opts);
 
+    // DEBUG: counters después de receive
+    await KeysetDebug.logCounters('AFTER receive ($unit)');
+
+    // DEBUG: transacciones DESPUÉS del receive (antes de checkPending)
+    await _debugLogTransactions(wallet, 'AFTER receive (before checkPending)');
+
     // Guardar metadata para la transacción recién creada
     await _saveMetaForRecentReceive(wallet, encodedToken);
 
+    // Verificar transacciones pendientes para actualizar outgoing pending → settled
+    try {
+      await wallet.checkPendingTransactions();
+    } catch (e) {
+      debugPrint('Check pending after receive failed: $e');
+    }
+
+    // DEBUG: transacciones DESPUÉS de checkPending
+    await _debugLogTransactions(wallet, 'AFTER checkPending');
+
     debugPrint('Token recibido: $amount $unit en $mintUrl');
+    confettiController.fire();
     notifyListeners();
     return amount;
   }
 
+  /// DEBUG: Lista todas las transacciones de un wallet para diagnóstico.
+  Future<void> _debugLogTransactions(Wallet wallet, String label) async {
+    try {
+      final allTxs = await wallet.listTransactions();
+      debugPrint('[TX DEBUG] ===== $label =====');
+      debugPrint('[TX DEBUG] Total transacciones: ${allTxs.length}');
+      for (final tx in allTxs) {
+        final dir = tx.direction == TransactionDirection.incoming ? 'IN' : 'OUT';
+        final status = tx.status == TransactionStatus.pending ? 'PENDING' : 'SETTLED';
+        debugPrint('[TX DEBUG]   $dir ${tx.amount} ${tx.unit} [$status] fee=${tx.fee} id=${tx.id.substring(0, 16)}...');
+      }
+    } catch (e) {
+      debugPrint('[TX DEBUG] Error listando transacciones: $e');
+    }
+  }
+
   /// Guarda metadata para la transacción de receive más reciente.
   Future<void> _saveMetaForRecentReceive(Wallet wallet, String tokenEncoded) async {
     try {
@@ -983,38 +1029,91 @@ class WalletProvider extends ChangeNotifier {
 
   /// Método de conveniencia: prepara y confirma en un solo paso.
   Future<String> sendTokens(BigInt amount, String? memo) async {
+    final wallet = await getActiveWallet();
+    final balanceBefore = await wallet.balance();
+    debugPrint('[SEND DEBUG] Normal send - balance=$balanceBefore, amount=$amount');
+    await KeysetDebug.logCounters('BEFORE normal send');
     final prepared = await prepareSend(amount);
-    return await confirmSend(prepared, memo);
+    debugPrint('[SEND DEBUG] prepareSend OK - fee=${prepared.fee}');
+    final token = await confirmSend(prepared, memo);
+    final balanceAfter = await wallet.balance();
+    debugPrint('[SEND DEBUG] confirmSend OK - balance after=$balanceAfter');
+    await KeysetDebug.logCounters('AFTER normal send');
+    return token;
   }
 
-  /// Envía tokens P2PK.
-  /// Workaround CDK bug: limpia txs pending antes de enviar.
-  /// Ver: https://github.com/cashubtc/cdk-flutter/issues/3
-  Future<String> sendTokensP2pk(BigInt amount, String pubkey, String? memo) async {
-    // Workaround CDK bug: limpiar txs pending y proofs reservados antes de P2PK send
-    await _settlePendingTransactions();
+  /// Verifica si el mint activo soporta P2PK sin el bug de fees.
+  /// Bug CDK: prepare_send con P2PK (force_swap=true) no reserva proofs
+  /// para el swap fee. Solo mints con ppk=0 funcionan correctamente.
+  /// Ver P2PK_SEND_BUG.md para análisis completo.
+  Future<void> _checkP2pkMintCompatibility() async {
+    final mintUrl = _activeMintUrl!;
+    final unit = _activeUnit;
+    final ppk = await KeysetDebug.getInputFeePpk(mintUrl, unit);
 
-    final prepared = await prepareSendP2pk(amount, pubkey);
-    try {
-      return await confirmSend(prepared, memo);
-    } catch (e) {
-      // Liberar proofs reservados si el envío falla
-      try {
-        await cancelSend(prepared);
-      } catch (_) {}
-      rethrow;
+    debugPrint('[P2PK] mintUrl=$mintUrl, unit=$unit, ppk=$ppk');
+
+    if (ppk > 0) {
+      throw Exception(
+        'P2PK no disponible en este mint. '
+        'El mint $mintUrl cobra input fees (ppk=$ppk) y CDK tiene un bug '
+        'que impide P2PK sends en mints con fees. '
+        'Usa un mint con ppk=0 (ej: mint.cubabitcoin.org).',
+      );
     }
   }
 
-  /// Intenta liquidar transacciones pending sincronizando con el mint.
-  /// Workaround para bug de CDK donde P2PK sends pending bloquean envíos subsiguientes.
-  Future<void> _settlePendingTransactions() async {
+  /// Envía tokens P2PK (bloqueados a una clave pública).
+  /// Solo funciona en mints con ppk=0 debido a bug en CDK core.
+  /// Ver P2PK_SEND_BUG.md para detalles.
+  Future<String> sendTokensP2pk(BigInt amount, String pubkey, String? memo) async {
+    final wallet = await getActiveWallet();
+
+    // Verificar compatibilidad del mint con P2PK
+    await _checkP2pkMintCompatibility();
+
+    // DEBUG: estado antes del P2PK send
+    final balanceBefore = await wallet.balance();
+    debugPrint('[P2PK DEBUG] ===== BEFORE P2PK SEND =====');
+    debugPrint('[P2PK DEBUG] Balance: $balanceBefore');
+    debugPrint('[P2PK DEBUG] Amount to send: $amount');
+    debugPrint('[P2PK DEBUG] Pubkey: ${pubkey.length > 16 ? pubkey.substring(0, 16) : pubkey}...');
+
+    // DEBUG: counters antes de prepareSend
+    await KeysetDebug.logCounters('BEFORE P2PK prepareSend');
+
+    // Paso 1: prepareSend P2PK
+    debugPrint('[P2PK DEBUG] Calling prepareSendP2pk...');
+    final prepared = await prepareSendP2pk(amount, pubkey);
+    debugPrint('[P2PK DEBUG] prepareSendP2pk OK - fee=${prepared.fee}');
+
+    final balanceAfterPrepare = await wallet.balance();
+    debugPrint('[P2PK DEBUG] Balance after prepare: $balanceAfterPrepare');
+
+    // DEBUG: counters después de prepareSend
+    await KeysetDebug.logCounters('AFTER P2PK prepareSend');
+
+    // Paso 2: confirmSend
+    debugPrint('[P2PK DEBUG] Calling confirmSend...');
     try {
-      final wallet = await getActiveWallet();
-      await wallet.checkPendingTransactions();
-      await wallet.reclaimReserved();
+      final token = await confirmSend(prepared, memo);
+      final balanceAfterSend = await wallet.balance();
+      debugPrint('[P2PK DEBUG] confirmSend OK!');
+      debugPrint('[P2PK DEBUG] Balance after send: $balanceAfterSend');
+
+      // DEBUG: counters después de send exitoso
+      await KeysetDebug.logCounters('AFTER P2PK send OK');
+
+      return token;
     } catch (e) {
-      debugPrint('settlePendingTransactions failed (may be offline): $e');
+      final balanceAfterError = await wallet.balance();
+      debugPrint('[P2PK DEBUG] confirmSend FAILED: $e');
+      debugPrint('[P2PK DEBUG] Balance after error: $balanceAfterError');
+
+      // DEBUG: counters después de send fallido
+      await KeysetDebug.logCounters('AFTER P2PK send FAILED');
+
+      rethrow;
     }
   }
 
@@ -1035,34 +1134,161 @@ class WalletProvider extends ChangeNotifier {
   // MINT (Depositar via Lightning)
   // ============================================================
 
+  /// Suscripción activa al stream de mint (vive en el provider, no en la UI).
+  StreamSubscription<MintQuote>? _activeMintSubscription;
+
+  /// Controller del stream actual de mint (para cerrar al iniciar uno nuevo).
+  StreamController<MintQuote>? _activeMintController;
+
   /// Inicia un depósito via Lightning.
   /// Retorna Stream con estados: unpaid -> paid -> issued.
-  /// Guarda metadata type=lightning cuando se completa.
-  Stream<MintQuote> mintTokens(BigInt amount, String? description) {
+  /// La suscripción al CDK vive en el provider para que los side effects
+  /// (guardar metadata, confetti) ocurran aunque la UI se cierre.
+  Future<Stream<MintQuote>> mintTokens(BigInt amount, String? description) async {
     final wallet = activeWallet;
     if (wallet == null) {
       throw Exception('No hay wallet activo');
     }
 
+    final mintUrl = _activeMintUrl!;
+    final unit = _activeUnit;
     String? invoiceBolt11;
 
-    // Wrapper del stream para capturar el invoice y guardar metadata
-    return wallet.mint(
+    // Cerrar controller anterior si existe (evitar leak)
+    if (_activeMintController != null && !_activeMintController!.isClosed) {
+      _activeMintController!.close();
+    }
+
+    // StreamController que la UI puede escuchar y cancelar libremente
+    final controller = StreamController<MintQuote>();
+    _activeMintController = controller;
+
+    // Cancelar suscripción anterior si existe (await evita race de callbacks)
+    await _activeMintSubscription?.cancel();
+    _activeMintSubscription = null;
+
+    // Suscribirse al stream del CDK desde el provider (persiste sin UI)
+    _activeMintSubscription = wallet.mint(
       amount: amount,
       description: description,
-    ).map((quote) {
-      // Capturar el invoice cuando está en estado unpaid
-      if (quote.state == MintQuoteState.unpaid) {
-        invoiceBolt11 = quote.request;
+    ).listen(
+      (quote) {
+        // Guardar invoice temprano en SharedPreferences
+        if (quote.state == MintQuoteState.unpaid) {
+          invoiceBolt11 = quote.request;
+          _savePendingMintInvoice(quote.id, quote.request, mintUrl, unit, amount);
+        }
+
+        // Cuando se completa, guardar metadata, confetti, limpiar pending
+        if (quote.state == MintQuoteState.issued && invoiceBolt11 != null) {
+          _saveMintMetadata(wallet, invoiceBolt11!);
+          _removePendingMintInvoice(quote.id);
+        }
+
+        // Reenviar a la UI (si sigue escuchando)
+        if (!controller.isClosed) {
+          controller.add(quote);
+        }
+      },
+      onError: (error) {
+        if (!controller.isClosed) {
+          controller.addError(error);
+        }
+      },
+      onDone: () {
+        _activeMintSubscription = null;
+        if (!controller.isClosed) {
+          controller.close();
+        }
+      },
+    );
+
+    return controller.stream;
+  }
+
+  /// Guarda un invoice de mint pendiente para recuperarlo después.
+  Future<void> _savePendingMintInvoice(
+    String quoteId, String invoice, String mintUrl, String unit, BigInt amount,
+  ) async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final jsonStr = prefs.getString(_pendingMintInvoicesKey) ?? '{}';
+      final map = Map<String, dynamic>.from(jsonDecode(jsonStr));
+      map[quoteId] = {
+        'invoice': invoice,
+        'mintUrl': mintUrl,
+        'unit': unit,
+        'amount': amount.toString(),
+        'createdAt': DateTime.now().toIso8601String(),
+      };
+      await prefs.setString(_pendingMintInvoicesKey, jsonEncode(map));
+      debugPrint('Pending mint invoice guardado: $quoteId');
+    } catch (e) {
+      debugPrint('Error guardando pending mint invoice: $e');
+    }
+  }
+
+  /// Elimina un invoice de mint pendiente (ya fue procesado).
+  Future<void> _removePendingMintInvoice(String quoteId) async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final jsonStr = prefs.getString(_pendingMintInvoicesKey) ?? '{}';
+      final map = Map<String, dynamic>.from(jsonDecode(jsonStr));
+      map.remove(quoteId);
+      await prefs.setString(_pendingMintInvoicesKey, jsonEncode(map));
+      debugPrint('Pending mint invoice eliminado: $quoteId');
+    } catch (e) {
+      debugPrint('Error eliminando pending mint invoice: $e');
+    }
+  }
+
+  /// TTL para invoices de mint pendientes (24 horas).
+  static const _pendingMintInvoiceTtl = Duration(hours: 24);
+
+  /// Obtiene todos los invoices de mint pendientes, limpiando expirados.
+  Future<Map<String, dynamic>> _getPendingMintInvoices() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final jsonStr = prefs.getString(_pendingMintInvoicesKey) ?? '{}';
+      final map = Map<String, dynamic>.from(jsonDecode(jsonStr));
+
+      // Filtrar expirados
+      final now = DateTime.now();
+      final expired = <String>[];
+      for (final entry in map.entries) {
+        final data = Map<String, dynamic>.from(entry.value);
+        final createdAt = DateTime.tryParse(data['createdAt'] ?? '');
+        if (createdAt == null || now.difference(createdAt) > _pendingMintInvoiceTtl) {
+          expired.add(entry.key);
+        }
       }
 
-      // Cuando se completa, guardar metadata
-      if (quote.state == MintQuoteState.issued && invoiceBolt11 != null) {
-        _saveMintMetadata(wallet, invoiceBolt11!);
+      // Limpiar expirados si hay
+      if (expired.isNotEmpty) {
+        for (final key in expired) {
+          map.remove(key);
+        }
+        await prefs.setString(_pendingMintInvoicesKey, jsonEncode(map));
+        debugPrint('Pending mint invoices expirados eliminados: ${expired.length}');
       }
 
-      return quote;
-    });
+      return map;
+    } catch (e) {
+      return {};
+    }
+  }
+
+  /// Busca un invoice pendiente que coincida con un mintUrl y unit.
+  /// Retorna el invoice string o null.
+  Future<String?> findPendingMintInvoice(String mintUrl, String unit) async {
+    final pending = await _getPendingMintInvoices();
+    for (final entry in pending.values) {
+      final data = Map<String, dynamic>.from(entry);
+      if (data['mintUrl'] == mintUrl && data['unit'] == unit) {
+        return data['invoice'] as String?;
+      }
+    }
+    return null;
   }
 
   /// Guarda metadata para una transacción de mint (Lightning deposit).
@@ -1083,6 +1309,8 @@ class WalletProvider extends ChangeNotifier {
           ),
         );
         debugPrint('Mint metadata guardada para tx ${recentTx.id}');
+        confettiController.fire();
+        notifyListeners();
       }
     } catch (e) {
       debugPrint('Error guardando mint metadata: $e');
@@ -1180,8 +1408,20 @@ class WalletProvider extends ChangeNotifier {
 
   /// Obtiene el tipo de una transacción (cashu o lightning).
   /// Busca primero en metadata del CDK, luego en storage local.
+  /// Si no hay metadata y es incoming, asume Lightning (los receives Cashu
+  /// siempre guardan metadata inmediatamente).
+  /// Limitación conocida: transacciones anteriores al sistema de metadata
+  /// o donde el guardado falló silenciosamente serían clasificadas como Lightning.
   TransactionType getTransactionType(Transaction tx) {
-    return _txMetaStorage.getType(tx.id, tx.metadata);
+    final type = _txMetaStorage.getType(tx.id, tx.metadata);
+    // Si el storage devuelve cashu por defecto pero no tiene metadata real,
+    // y la transacción es incoming → probablemente es Lightning
+    if (!_txMetaStorage.has(tx.id) &&
+        tx.metadata['type'] == null &&
+        tx.direction == TransactionDirection.incoming) {
+      return TransactionType.lightning;
+    }
+    return type;
   }
 
   /// Obtiene metadata adicional de una transacción.
@@ -1200,6 +1440,7 @@ class WalletProvider extends ChangeNotifier {
 
   /// Verifica proofs pendientes en todos los wallets.
   /// Llamar en background al iniciar la app.
+  /// También vincula transacciones incoming sin metadata con invoices pendientes.
   Future<void> checkPendingTransactions() async {
     for (final wallet in _wallets.values) {
       try {
@@ -1209,6 +1450,59 @@ class WalletProvider extends ChangeNotifier {
         debugPrint('Check pending failed: $e');
       }
     }
+
+    // Vincular transacciones incoming sin metadata con pending invoices
+    await _matchPendingMintInvoices();
+  }
+
+  /// Busca transacciones incoming sin metadata y las vincula con
+  /// invoices de mint pendientes guardados en SharedPreferences.
+  Future<void> _matchPendingMintInvoices() async {
+    try {
+      final pending = await _getPendingMintInvoices();
+      if (pending.isEmpty) return;
+
+      // Obtener todas las transacciones incoming
+      final allTxs = await getAllTransactions(
+        direction: TransactionDirection.incoming,
+      );
+
+      for (final tx in allTxs) {
+        // Solo procesar transacciones sin metadata
+        if (_txMetaStorage.has(tx.id)) continue;
+
+        // Buscar un pending invoice que coincida con mintUrl, unit y amount
+        String? matchedQuoteId;
+        String? matchedInvoice;
+
+        for (final entry in pending.entries) {
+          final data = Map<String, dynamic>.from(entry.value);
+          if (data['mintUrl'] == tx.mintUrl && data['unit'] == tx.unit && data['amount'] == tx.amount.toString()) {
+            matchedQuoteId = entry.key;
+            matchedInvoice = data['invoice'] as String?;
+            break;
+          }
+        }
+
+        if (matchedQuoteId != null && matchedInvoice != null) {
+          await _txMetaStorage.save(
+            tx.id,
+            TransactionMeta(
+              type: TransactionType.lightning,
+              invoice: matchedInvoice,
+            ),
+          );
+          // Limpiar el pending invoice ya vinculado
+          await _removePendingMintInvoice(matchedQuoteId);
+          pending.remove(matchedQuoteId);
+          debugPrint('Matched pending mint invoice → tx ${tx.id}');
+          confettiController.fire();
+          notifyListeners();
+        }
+      }
+    } catch (e) {
+      debugPrint('Error matching pending mint invoices: $e');
+    }
   }
 
   /// Verifica si un token específico fue gastado.
@@ -1544,4 +1838,14 @@ class WalletProvider extends ChangeNotifier {
     }
     return cleaned;
   }
+
+  @override
+  void dispose() {
+    _activeMintSubscription?.cancel();
+    if (_activeMintController != null && !_activeMintController!.isClosed) {
+      _activeMintController!.close();
+    }
+    confettiController.dispose();
+    super.dispose();
+  }
 }

lib/screens/10_scanner/scan_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/utils/incoming_data_parser.dart';
 import '../../widgets/scanner/qr_scanner_widget.dart';

lib/screens/1_splash/splash_screen.dart

@@ -2,7 +2,7 @@ import 'dart:async';
 import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';

lib/screens/2_onboarding/backup_seed_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';

lib/screens/2_onboarding/create_wallet_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';

lib/screens/2_onboarding/restore_wallet_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../widgets/common/gradient_background.dart';

lib/screens/2_onboarding/welcome_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../providers/settings_provider.dart';

lib/screens/3_home/home_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -9,7 +9,6 @@ import '../../core/utils/incoming_data_parser.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/animated_action_button.dart';
-import '../../widgets/effects/cashu_confetti.dart';
 import '../../providers/wallet_provider.dart';
 import '../../providers/settings_provider.dart';
 import '../4_receive/receive_screen.dart';
@@ -34,9 +33,6 @@ class _HomeScreenState extends State<HomeScreen> {
   // Estado local
   bool _isBalanceVisible = true;
 
-  // Controller para el efecto confeti
-  final CashuConfettiController _confettiController = CashuConfettiController();
-
   @override
   void initState() {
     super.initState();
@@ -46,11 +42,8 @@ class _HomeScreenState extends State<HomeScreen> {
     });
   }
 
-  @override
-  void dispose() {
-    _confettiController.dispose();
-    super.dispose();
-  }
+  /// Dispara confetti global desde WalletProvider
+  void _fireConfetti() => context.read<WalletProvider>().confettiController.fire();
 
   /// Verifica y reclama automáticamente tokens pendientes
   Future<void> _checkPendingTokens() async {
@@ -64,9 +57,7 @@ class _HomeScreenState extends State<HomeScreen> {
       final unit = (result['unit'] as String?) ?? walletProvider.activeUnit;
 
       if (claimed > 0 && mounted) {
-        // Disparar confetti
-        _confettiController.fire();
-
+        // Confetti se dispara globalmente desde WalletProvider.receiveToken
         // Mostrar snackbar
         final l10n = L10n.of(context)!;
         ScaffoldMessenger.of(context).showSnackBar(
@@ -84,9 +75,7 @@ class _HomeScreenState extends State<HomeScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return CashuConfetti(
-      controller: _confettiController,
-      child: GradientBackground(
+    return GradientBackground(
         child: Scaffold(
           backgroundColor: Colors.transparent,
           body: SafeArea(
@@ -122,7 +111,6 @@ class _HomeScreenState extends State<HomeScreen> {
             ),
           ),
         ),
-      ),
     );
   }
 
@@ -161,7 +149,7 @@ class _HomeScreenState extends State<HomeScreen> {
 
           // El Caju (derecha) - toca para confeti
           GestureDetector(
-            onTap: () => _confettiController.fire(),
+            onTap: () => _fireConfetti(),
             child: Image.asset(
               'assets/img/elcajucubano.png',
               width: 56,

lib/screens/4_receive/receive_screen.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -11,7 +11,6 @@ import '../../core/utils/nostr_utils.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/primary_button.dart';
-import '../../widgets/effects/cashu_confetti.dart';
 import '../../providers/wallet_provider.dart';
 import '../../providers/p2pk_provider.dart';
 import '../10_scanner/scan_screen.dart';
@@ -29,8 +28,6 @@ class ReceiveScreen extends StatefulWidget {
 
 class _ReceiveScreenState extends State<ReceiveScreen> {
   final TextEditingController _tokenController = TextEditingController();
-  final CashuConfettiController _confettiController = CashuConfettiController();
-
   // Estado del token
   bool _isValidToken = false;
   bool _isProcessing = false;
@@ -65,15 +62,12 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
   void dispose() {
     _tokenController.dispose();
     _manualKeyController.dispose();
-    _confettiController.dispose();
     super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
-    return CashuConfetti(
-      controller: _confettiController,
-      child: GradientBackground(
+    return GradientBackground(
         child: Scaffold(
           backgroundColor: Colors.transparent,
           appBar: AppBar(
@@ -96,7 +90,6 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
             child: _showSuccess ? _buildSuccessView() : _buildReceiveForm(),
           ),
         ),
-      ),
     );
   }
 
@@ -1027,8 +1020,7 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
           _isProcessing = false;
         });
 
-        // Disparar confetti
-        _confettiController.fire();
+        // Confetti se dispara globalmente desde WalletProvider.receiveToken
       }
     } catch (e) {
       if (!mounted) return;

lib/screens/5_send/offline_send_screen.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/models/proof.dart';

lib/screens/5_send/send_screen.dart

@@ -3,7 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:http/http.dart' as http;
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -276,134 +276,57 @@ class _SendScreenState extends State<SendScreen> {
   Widget _buildP2PKSection() {
     final l10n = L10n.of(context)!;
 
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.start,
-      children: [
-        // Toggle P2PK
-        GlassCard(
-          padding: const EdgeInsets.symmetric(
-            horizontal: AppDimensions.paddingMedium,
-            vertical: AppDimensions.paddingSmall,
-          ),
-          child: Row(
-            children: [
-              Icon(
-                LucideIcons.lock,
-                color: _useP2PK ? AppColors.primaryAction : AppColors.textSecondary,
-                size: 20,
-              ),
-              const SizedBox(width: 12),
-              Expanded(
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    Text(
-                      l10n.p2pkLockToKey,
-                      style: const TextStyle(
-                        fontFamily: 'Inter',
-                        fontSize: 14,
-                        fontWeight: FontWeight.w500,
-                        color: Colors.white,
-                      ),
-                    ),
-                    Text(
-                      l10n.p2pkLockDescription,
-                      style: TextStyle(
-                        fontFamily: 'Inter',
-                        fontSize: 12,
-                        color: AppColors.textSecondary.withValues(alpha: 0.7),
-                      ),
-                    ),
-                  ],
-                ),
-              ),
-              Switch(
-                value: _useP2PK,
-                onChanged: (value) {
-                  setState(() {
-                    _useP2PK = value;
-                    if (!value) {
-                      _pubkeyController.clear();
-                      _pubkeyError = null;
-                    }
-                  });
-                },
-                activeColor: AppColors.primaryAction,
-              ),
-            ],
-          ),
+    // P2PK Send deshabilitado temporalmente por bug en CDK (cdk-flutter usa CDK 0.13.4).
+    // Se habilitará cuando cdk-flutter actualice a CDK 0.14.x con el fix de include_fee.
+    const bool p2pkSendEnabled = false;
+
+    return Opacity(
+      opacity: p2pkSendEnabled ? 1.0 : 0.5,
+      child: GlassCard(
+        padding: const EdgeInsets.symmetric(
+          horizontal: AppDimensions.paddingMedium,
+          vertical: AppDimensions.paddingSmall,
         ),
-
-        // Campo pubkey (visible solo si P2PK está activo)
-        if (_useP2PK) ...[
-          const SizedBox(height: AppDimensions.paddingSmall),
-
-          GlassCard(
-            padding: const EdgeInsets.all(AppDimensions.paddingSmall),
-            child: TextField(
-              controller: _pubkeyController,
-              style: const TextStyle(
-                fontFamily: 'Inter',
-                fontSize: 14,
-                color: Colors.white,
-              ),
-              decoration: InputDecoration(
-                hintText: l10n.p2pkReceiverPubkey,
-                hintStyle: TextStyle(
-                  fontFamily: 'Inter',
-                  fontSize: 14,
-                  color: Colors.white.withValues(alpha: 0.3),
-                ),
-                border: InputBorder.none,
-                errorText: _pubkeyError,
-                errorStyle: const TextStyle(
-                  fontFamily: 'Inter',
-                  fontSize: 12,
-                  color: AppColors.error,
-                ),
-                prefixIcon: Icon(
-                  LucideIcons.key,
-                  color: AppColors.textSecondary.withValues(alpha: 0.5),
-                  size: 18,
-                ),
-                suffixIcon: IconButton(
-                  icon: Icon(
-                    LucideIcons.clipboard,
-                    color: AppColors.textSecondary.withValues(alpha: 0.5),
-                    size: 18,
-                  ),
-                  onPressed: _pastePubkey,
-                ),
-              ),
-              onChanged: _validatePubkey,
+        child: Row(
+          children: [
+            Icon(
+              LucideIcons.lock,
+              color: AppColors.textSecondary,
+              size: 20,
             ),
-          ),
-
-          const SizedBox(height: AppDimensions.paddingSmall),
-
-          // Advertencia experimental
-          Row(
-            children: [
-              Icon(
-                LucideIcons.alertTriangle,
-                size: 14,
-                color: AppColors.warning.withValues(alpha: 0.8),
-              ),
-              const SizedBox(width: 6),
-              Expanded(
-                child: Text(
-                  l10n.p2pkExperimental,
-                  style: TextStyle(
-                    fontFamily: 'Inter',
-                    fontSize: 11,
-                    color: AppColors.warning.withValues(alpha: 0.8),
+            const SizedBox(width: 12),
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    l10n.p2pkLockToKey,
+                    style: TextStyle(
+                      fontFamily: 'Inter',
+                      fontSize: 14,
+                      fontWeight: FontWeight.w500,
+                      color: p2pkSendEnabled ? Colors.white : AppColors.textSecondary,
+                    ),
                   ),
-                ),
+                  Text(
+                    l10n.p2pkSendComingSoon,
+                    style: TextStyle(
+                      fontFamily: 'Inter',
+                      fontSize: 12,
+                      color: AppColors.textSecondary.withValues(alpha: 0.7),
+                    ),
+                  ),
+                ],
               ),
-            ],
-          ),
-        ],
-      ],
+            ),
+            Switch(
+              value: false,
+              onChanged: null,
+              activeColor: AppColors.primaryAction,
+            ),
+          ],
+        ),
+      ),
     );
   }
 
@@ -590,17 +513,6 @@ class _SendScreenState extends State<SendScreen> {
 
       // P2PK: bloquear a clave pública si está habilitado
       if (_useP2PK && _pubkeyController.text.isNotEmpty) {
-        // Verificar si hay txs P2PK pending (workaround CDK bug)
-        final hasPending = await walletProvider.hasPendingOutgoingTransactions();
-        if (hasPending) {
-          if (!mounted) return;
-          setState(() {
-            _errorMessage = l10n.p2pkPendingSendWarning;
-            _isProcessing = false;
-          });
-          return;
-        }
-
         // Usar normalizeToCompressedHex para obtener formato SEC1 (66 chars)
         final pubkeyHex = NostrUtils.normalizeToCompressedHex(_pubkeyController.text);
         if (pubkeyHex == null) {

lib/screens/5_send/share_token_screen.dart

@@ -5,7 +5,7 @@ import 'package:qr_flutter/qr_flutter.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:share_plus/share_plus.dart';
 import 'package:cdk_flutter/cdk_flutter.dart' as cdk;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';

lib/screens/6_mint/invoice_screen.dart

@@ -5,13 +5,12 @@ import 'package:provider/provider.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:cdk_flutter/cdk_flutter.dart' hide WalletProvider;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
-import '../../widgets/effects/cashu_confetti.dart';
 import '../../providers/wallet_provider.dart';
 
 /// Estados del proceso de mint
@@ -39,7 +38,6 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
   String? _invoice;
   String? _errorMessage;
   StreamSubscription<MintQuote>? _mintSubscription;
-  final CashuConfettiController _confettiController = CashuConfettiController();
 
   @override
   void initState() {
@@ -50,15 +48,14 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
   @override
   void dispose() {
     _mintSubscription?.cancel();
-    _confettiController.dispose();
     super.dispose();
   }
 
-  void _startMintProcess() {
+  Future<void> _startMintProcess() async {
     final walletProvider = context.read<WalletProvider>();
 
     try {
-      final mintStream = walletProvider.mintTokens(
+      final mintStream = await walletProvider.mintTokens(
         widget.amount,
         widget.description,
       );
@@ -107,8 +104,7 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
   }
 
   void _onMintCompleted() {
-    // Disparar confetti inmediatamente
-    _confettiController.fire();
+    // Confetti se dispara globalmente desde WalletProvider._saveMintMetadata
 
     // Esperar a que termine el confetti antes de navegar
     Future.delayed(const Duration(seconds: 3), () {
@@ -133,25 +129,19 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return CashuConfetti(
-      controller: _confettiController,
-      child: GradientBackground(
-        child: PopScope(
-          canPop: _status == MintStatus.issued || _status == MintStatus.error,
-          child: Scaffold(
+    return GradientBackground(
+        child: Scaffold(
             backgroundColor: Colors.transparent,
             appBar: AppBar(
               backgroundColor: Colors.transparent,
               elevation: 0,
-              leading: (_status == MintStatus.issued || _status == MintStatus.error)
-                  ? IconButton(
-                      icon: const Icon(
-                        LucideIcons.arrowLeft,
-                        color: Colors.white,
-                      ),
-                      onPressed: () => Navigator.pop(context),
-                    )
-                  : null,
+              leading: IconButton(
+                icon: const Icon(
+                  LucideIcons.arrowLeft,
+                  color: Colors.white,
+                ),
+                onPressed: () => Navigator.pop(context),
+              ),
               title: Text(
                 L10n.of(context)!.payInvoiceTitle,
                 style: const TextStyle(
@@ -181,9 +171,7 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
                 child: _buildContent(),
               ),
             ),
-          ),
         ),
-      ),
     );
   }
 

lib/screens/6_mint/mint_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';

lib/screens/7_melt/amount_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';

lib/screens/7_melt/melt_screen.dart

@@ -3,7 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:cdk_flutter/cdk_flutter.dart' hide WalletProvider;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';

lib/screens/8_settings/language_screen.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:provider/provider.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../providers/settings_provider.dart';

lib/screens/8_settings/mint_detail_screen.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:cdk_flutter/cdk_flutter.dart' show MintInfo, ContactInfo;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/utils/formatters.dart';
 import '../../widgets/common/gradient_background.dart';

lib/screens/8_settings/mints_screen.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:provider/provider.dart';
 import 'package:cdk_flutter/cdk_flutter.dart' show MintInfo;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';

lib/screens/8_settings/p2pk_keys_screen.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:provider/provider.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';

lib/screens/8_settings/settings_screen.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
 import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';

lib/screens/9_history/history_screen.dart

@@ -7,7 +7,7 @@ import 'package:qr_flutter/qr_flutter.dart';
 import 'package:intl/intl.dart';
 import 'package:cdk_flutter/cdk_flutter.dart' as cdk;
 import 'package:cdk_flutter/cdk_flutter.dart' show Transaction, TransactionDirection, TransactionStatus;
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
@@ -704,6 +704,11 @@ class _TransactionDetailScreenState extends State<_TransactionDetailScreen> {
     final meta = widget.walletProvider.getTransactionMeta(widget.transaction.id);
     _tokenOrInvoice = meta?.token ?? meta?.invoice;
 
+    // Si es Lightning incoming sin invoice, buscar en pending mint invoices
+    if (_tokenOrInvoice == null && _isLightning && _isIncoming) {
+      _loadPendingMintInvoice();
+    }
+
     // Mostrar QR para todo EXCEPTO Lightning saliente
     _shouldShowQR = !_isLightning || _isIncoming;
 
@@ -713,6 +718,19 @@ class _TransactionDetailScreenState extends State<_TransactionDetailScreen> {
     }
   }
 
+  /// Busca el invoice en pending mint invoices si no hay metadata.
+  Future<void> _loadPendingMintInvoice() async {
+    final invoice = await widget.walletProvider.findPendingMintInvoice(
+      widget.transaction.mintUrl,
+      widget.transaction.unit,
+    );
+    if (invoice != null && mounted) {
+      setState(() {
+        _tokenOrInvoice = invoice;
+      });
+    }
+  }
+
   @override
   void dispose() {
     _animationTimer?.cancel();

lib/widgets/scanner/qr_scanner_widget.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:mobile_scanner/mobile_scanner.dart';
 import 'package:lucide_icons/lucide_icons.dart';
-import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
 import 'package:cdk_flutter/cdk_flutter.dart';
 import '../../core/constants/colors.dart';
 import '../../core/utils/incoming_data_parser.dart';