fix(player): restore setUrl source loading

lib/servicios/servicio_audio.dart

@@ -1,7 +1,6 @@
 import 'dart:async';
 import 'dart:developer' as developer;
 
-import 'package:audio_session/audio_session.dart';
 import 'package:audio_service/audio_service.dart';
 import 'package:just_audio/just_audio.dart';
 
@@ -97,7 +96,6 @@ class PluriWaveAudioHandler extends BaseAudioHandler with SeekHandler {
   final AndroidEqualizer _eq = AndroidEqualizer();
 
   late final AudioPlayer _player = AudioPlayer(
-    userAgent: 'PluriWave/0.1.0 (es.freetimelab.pluriwave)',
     audioPipeline: AudioPipeline(androidAudioEffects: [_eq]),
   );
 
@@ -117,23 +115,9 @@ class PluriWaveAudioHandler extends BaseAudioHandler with SeekHandler {
   bool _cambiandoFuente = false;
 
   PluriWaveAudioHandler() {
-    unawaited(_configurarSesionAudio());
     _setupStreams();
   }
 
-  Future<void> _configurarSesionAudio() async {
-    try {
-      final session = await AudioSession.instance;
-      await session.configure(const AudioSessionConfiguration.music());
-    } catch (e) {
-      developer.log(
-        '[PluriWave] No se pudo configurar AudioSession: $e',
-        name: 'ServicioAudio',
-        level: 800,
-      );
-    }
-  }
-
   void _setupStreams() {
     _player.playerStateStream.listen((state) {
       final playing = state.playing;
@@ -268,12 +252,7 @@ class PluriWaveAudioHandler extends BaseAudioHandler with SeekHandler {
       await _player.stop().timeout(_timeoutCambioFuente);
       if (revision != _revisionFuente) return;
 
-      await _player
-          .setAudioSource(
-            AudioSource.uri(Uri.parse(mediaItem.id), tag: mediaItem),
-            preload: false,
-          )
-          .timeout(_timeoutCambioFuente);
+      await _player.setUrl(mediaItem.id).timeout(_timeoutCambioFuente);
       if (revision != _revisionFuente) return;
 
       await _activarEcualizador();