fix(recordings): open last file on android

lib/servicios/servicio_alarmas_android.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 
 import '../modelos/alarma_musical.dart';
@@ -64,9 +65,15 @@ class ServicioAlarmasAndroid {
   Future<void> programar(AlarmaMusical alarma) async {
     final proxima = alarma.proximaEjecucion;
     if (proxima == null || !alarma.activa) {
+      debugPrint(
+        '[PluriWave][alarmas] cancelar por inactiva/sin proxima id=${alarma.id} activa=${alarma.activa} proxima=$proxima',
+      );
       await cancelar(alarma.id);
       return;
     }
+    debugPrint(
+      '[PluriWave][alarmas] programar id=${alarma.id} nombre=${alarma.nombre} proxima=${proxima.toIso8601String()} preaviso=${proxima.subtract(const Duration(minutes: 30)).toIso8601String()}',
+    );
     await _channel.invokeMethod<void>('scheduleAlarm', {
       'id': alarma.id,
       'title': alarma.nombre,
@@ -77,16 +84,21 @@ class ServicioAlarmasAndroid {
   }
 
   Future<void> cancelar(String alarmaId) =>
-      _channel.invokeMethod<void>('cancelAlarm', {'id': alarmaId});
+      _logAndInvokeVoid('cancelAlarm', {'id': alarmaId});
 
-  Future<void> ocultarNotificacionAlarma(String alarmaId) => _channel
-      .invokeMethod<void>('dismissAlarmNotification', {'id': alarmaId});
+  Future<void> ocultarNotificacionAlarma(String alarmaId) =>
+      _logAndInvokeVoid('dismissAlarmNotification', {'id': alarmaId});
 
   Future<DiagnosticoAlarmasAndroid> diagnostico() async {
+    debugPrint('[PluriWave][alarmas] diagnostico android');
     final raw = await _channel.invokeMethod<Map<Object?, Object?>>(
       'diagnostics',
     );
-    return DiagnosticoAlarmasAndroid.fromMap(raw ?? const {});
+    final diag = DiagnosticoAlarmasAndroid.fromMap(raw ?? const {});
+    debugPrint(
+      '[PluriWave][alarmas] diagnostico exactas=${diag.puedeProgramarExactas} notificaciones=${diag.notificacionesPermitidas} sdk=${diag.versionSdk} fabricante=${diag.fabricante}',
+    );
+    return diag;
   }
 
   Future<EventoAlarmaAndroid?> obtenerEventoInicial() async {
@@ -95,9 +107,17 @@ class ServicioAlarmasAndroid {
     );
     if (raw == null || raw.isEmpty) return null;
     final evento = EventoAlarmaAndroid.fromMap(raw);
+    debugPrint(
+      '[PluriWave][alarmas] evento inicial id=${evento.alarmaId} accion=${evento.accion}',
+    );
     return evento.alarmaId.isEmpty ? null : evento;
   }
 
+  Future<void> _logAndInvokeVoid(String method, Map<String, Object?> args) {
+    debugPrint('[PluriWave][alarmas] $method $args');
+    return _channel.invokeMethod<void>(method, args);
+  }
+
   static void _instalarHandler(MethodChannel channel) {
     if (_handlerInstalado) return;
     _handlerInstalado = true;
@@ -107,6 +127,9 @@ class ServicioAlarmasAndroid {
       if (args is Map) {
         final evento = EventoAlarmaAndroid.fromMap(args);
         if (evento.alarmaId.isNotEmpty) {
+          debugPrint(
+            '[PluriWave][alarmas] evento nativo id=${evento.alarmaId} accion=${evento.accion}',
+          );
           _eventosController.add(evento);
         }
       }