fix(alarm): unfreeze snooze modal and add per-minute snooze countdown

The snooze button was fire-and-forget without error handling: if
posponerAlarma threw (e.g. native scheduleAlarm returns false on a
device without exact-alarm permission), _dismissScreen never ran. The
stuck modal also kept _alarmaSonandoActiva true, which made the next
ring get ignored. _posponer/_detener now dismiss in a finally and stop
audio defensively.

Add a native, AlarmManager-driven snooze countdown notification that
re-posts every minute ("Rings in N min", 3->2->1) while the engine is
dead. scheduleSpec drives scheduleSnoozeCountdown for snoozes (instead
of the 30-min pre-notice). Localized text and button labels travel
Dart->Kotlin as {minutes} templates, same pattern as preNoticeTemplate.

Notification actions: "snooze again" (snoozeAgain, anchored to now)
reports back via the existing snoozed event; "stop" (cancelSnooze)
records a handled occurrence for cold-start reconciliation and emits a
new snoozeCancelled event handled in EstadoAlarmas.

Adds snoozeCountdown/snoozeAgainAction keys across all 13 locales and a
test for the snoozeCancelled event. Kotlin changes are static-reviewed
only; no Android build environment available here.

android/app/src/main/kotlin/es/freetimelab/pluriwave/AlarmScheduler.kt

@@ -1,11 +1,14 @@
 package es.freetimelab.pluriwave
 
 import android.app.AlarmManager
+import android.app.NotificationChannel
+import android.app.NotificationManager
 import android.app.PendingIntent
 import android.content.Context
 import android.content.Intent
 import android.os.Build
 import android.util.Log
+import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import org.json.JSONArray
 import org.json.JSONObject
@@ -40,7 +43,10 @@ class AlarmScheduler(private val context: Context) {
         fallbackStationName: String? = null,
         fallbackStationUrl: String? = null,
         fadeInSegundos: Int = 0,
-        preNoticeTemplate: String? = null
+        preNoticeTemplate: String? = null,
+        snoozeCountdownTemplate: String? = null,
+        snoozeAgainLabel: String? = null,
+        snoozeStopLabel: String? = null
     ): Boolean {
         val existing = readSpec(id)
         val preservedSnooze = preserveNativeSnooze(
@@ -72,7 +78,10 @@ class AlarmScheduler(private val context: Context) {
             volume = volume.coerceIn(0f, 1f),
             fadeInSegundos = fadeInSegundos.coerceIn(0, 60),
             timezoneId = TimeZone.getDefault().id,
-            preNoticeTemplate = preNoticeTemplate
+            preNoticeTemplate = preNoticeTemplate,
+            snoozeCountdownTemplate = snoozeCountdownTemplate,
+            snoozeAgainLabel = snoozeAgainLabel,
+            snoozeStopLabel = snoozeStopLabel
         )
         return scheduleSpec(spec, persistOnSuccess = true)
     }
@@ -118,7 +127,19 @@ class AlarmScheduler(private val context: Context) {
         if (persistOnSuccess) {
             saveScheduledAlarm(scheduledSpec)
         }
+        if (scheduledSpec.snoozeUntilMillis != null) {
+            // Snoozed: drive the per-minute countdown notification instead of
+            // the 30-minute pre-notice (which makes no sense for a short snooze).
+            scheduleSnoozeCountdown(scheduledSpec)
+        } else {
+            // Normal occurrence: make sure no stale snooze countdown survives a
+            // transition from snoozed -> normal, then arm the pre-notice.
+            cancelSnoozeCountdown(scheduledSpec.id)
+            NotificationManagerCompat.from(appContext).cancel(
+                PluriWaveAlarmReceiver.notificationIdForAlarm(scheduledSpec.id)
+            )
             schedulePreNotice(scheduledSpec)
+        }
         return true
     }
 
@@ -231,6 +252,12 @@ class AlarmScheduler(private val context: Context) {
 
     fun onAlarmFired(id: String) {
         val spec = readSpec(id) ?: return
+        // The alarm is ringing now: tear down any snooze countdown so its
+        // notification and pending minute ticks don't outlive the ring.
+        cancelSnoozeCountdown(id)
+        NotificationManagerCompat.from(appContext).cancel(
+            PluriWaveAlarmReceiver.notificationIdForAlarm(id)
+        )
         val firedAt = spec.snoozeOriginMillis ?: spec.triggerAtMillis
         saveHandledOccurrence(id, firedAt)
         val next = spec.copy(
@@ -315,6 +342,227 @@ class AlarmScheduler(private val context: Context) {
         return occurrenceAt
     }
 
+    /**
+     * Re-snoozes an already-snoozed alarm by [minutes] more from NOW (anchored
+     * to now, unlike [snooze]/[postponeNext] which anchor to the occurrence).
+     * Invoked from the "snooze again" action on the countdown notification.
+     * Returns the new snooze so the caller can report it back to Flutter.
+     */
+    fun snoozeAgain(id: String, minutes: Int): NativeSnoozeResult? {
+        val spec = readSpec(id) ?: return null
+        val safeMinutes = sanitizeSnoozeMinutes(minutes)
+        val now = System.currentTimeMillis()
+        val snoozeUntil = now + safeMinutes * 60_000L
+        Log.d(tag, "alarm.snoozeAgain id=$id minutes=$safeMinutes until=$snoozeUntil")
+        scheduleSpec(
+            spec.copy(
+                snoozeUntilMillis = snoozeUntil,
+                snoozeOriginMillis = now,
+                snoozeMinutes = safeMinutes
+            ),
+            persistOnSuccess = true
+        )
+        return NativeSnoozeResult(
+            snoozeUntilMillis = snoozeUntil,
+            occurrenceAtMillis = now,
+            title = spec.title
+        )
+    }
+
+    /**
+     * Cancels an active snooze ("stop" from the countdown notification): drops
+     * the pending ring, advances to the next normal occurrence (or cancels a
+     * one-shot) and records the occurrence as handled so the Flutter cold-start
+     * sync reconciles the cleared snooze. Returns the occurrence consumed, or
+     * null if the spec is gone.
+     */
+    fun cancelSnooze(id: String): Long? {
+        val spec = readSpec(id) ?: return null
+        val snoozeUntil = spec.snoozeUntilMillis ?: return null
+        val occurrence = spec.snoozeOriginMillis ?: spec.triggerAtMillis
+        // handledAt must be >= the snooze ring time so Flutter's occurrence sync
+        // does not treat the still-future snooze as pending and advances past it.
+        val handledAt = maxOf(occurrence, snoozeUntil)
+        Log.d(tag, "alarm.cancelSnooze id=$id occurrence=$occurrence handledAt=$handledAt")
+        cancelSnoozeCountdown(id)
+        NotificationManagerCompat.from(appContext).cancel(
+            PluriWaveAlarmReceiver.notificationIdForAlarm(id)
+        )
+        saveHandledOccurrence(id, handledAt)
+        val next = spec.copy(
+            snoozeUntilMillis = null,
+            snoozeOriginMillis = null,
+            lastHandledAtMillis = handledAt,
+            enabled = spec.scheduleType != SCHEDULE_UNICA
+        )
+        if (next.enabled) {
+            scheduleSpec(next, persistOnSuccess = true)
+        } else {
+            removeScheduledAlarm(id)
+            cancelPending("fire", pendingFireIntent(id, PendingIntent.FLAG_NO_CREATE))
+            cancelPending("show", pendingShowIntent(id, PendingIntent.FLAG_NO_CREATE))
+        }
+        return occurrence
+    }
+
+    /**
+     * Re-posts the snooze countdown notification with the up-to-date remaining
+     * minutes and arms the next minute tick. Driven by ACTION_SNOOZE_COUNTDOWN
+     * alarms (so it keeps decrementing while the engine is dead).
+     */
+    fun handleSnoozeCountdownTick(id: String) {
+        val spec = readSpec(id)
+        val snoozeUntil = spec?.snoozeUntilMillis
+        if (spec == null || snoozeUntil == null) {
+            cancelSnoozeCountdown(id)
+            return
+        }
+        val now = System.currentTimeMillis()
+        if (snoozeUntil <= now) {
+            // The ring is due; the fire broadcast posts the alarm UI and
+            // onAlarmFired clears this notification.
+            cancelSnoozeCountdown(id)
+            return
+        }
+        val remaining = ceilMinutes(snoozeUntil - now)
+        postSnoozeCountdownNotification(spec, remaining)
+        armNextSnoozeCountdownTick(spec, remaining)
+    }
+
+    private fun scheduleSnoozeCountdown(spec: NativeAlarmSpec) {
+        val snoozeUntil = spec.snoozeUntilMillis ?: return
+        val now = System.currentTimeMillis()
+        if (snoozeUntil <= now) {
+            cancelSnoozeCountdown(spec.id)
+            return
+        }
+        val remaining = ceilMinutes(snoozeUntil - now)
+        postSnoozeCountdownNotification(spec, remaining)
+        armNextSnoozeCountdownTick(spec, remaining)
+        Log.d(tag, "alarm.snoozeCountdown started id=${spec.id} remaining=$remaining until=$snoozeUntil")
+    }
+
+    private fun armNextSnoozeCountdownTick(spec: NativeAlarmSpec, remaining: Long) {
+        val snoozeUntil = spec.snoozeUntilMillis ?: return
+        // On the final minute the fire alarm takes over and cancels the
+        // countdown, so there is no further tick to schedule.
+        if (remaining <= 1L) return
+        val nextBoundary = snoozeUntil - (remaining - 1L) * 60_000L
+        val pending = PendingIntent.getBroadcast(
+            appContext,
+            requestCode(spec.id, 8),
+            Intent(appContext, PluriWaveAlarmReceiver::class.java).apply {
+                action = PluriWaveAlarmReceiver.ACTION_SNOOZE_COUNTDOWN
+                putExtra(PluriWaveAlarmReceiver.EXTRA_ALARM_ID, spec.id)
+            },
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        )
+        try {
+            alarmManager.setExactAndAllowWhileIdle(
+                AlarmManager.RTC_WAKEUP,
+                nextBoundary,
+                pending
+            )
+            Log.d(tag, "alarm.snoozeCountdown next tick id=${spec.id} at=$nextBoundary")
+        } catch (error: SecurityException) {
+            Log.w(tag, "alarm.snoozeCountdown tick SecurityException id=${spec.id}", error)
+        }
+    }
+
+    private fun cancelSnoozeCountdown(id: String) {
+        val pending = PendingIntent.getBroadcast(
+            appContext,
+            requestCode(id, 8),
+            Intent(appContext, PluriWaveAlarmReceiver::class.java).apply {
+                action = PluriWaveAlarmReceiver.ACTION_SNOOZE_COUNTDOWN
+            },
+            PendingIntent.FLAG_NO_CREATE or PendingIntent.FLAG_IMMUTABLE
+        )
+        cancelPending("snoozeCountdown", pending)
+    }
+
+    private fun postSnoozeCountdownNotification(spec: NativeAlarmSpec, remaining: Long) {
+        ensurePreNoticeChannel()
+        val text = if (spec.snoozeCountdownTemplate.isNullOrBlank()) {
+            "Rings in $remaining min"
+        } else {
+            spec.snoozeCountdownTemplate.replace("{minutes}", remaining.toString())
+        }
+
+        val openIntent = PendingIntent.getActivity(
+            appContext,
+            requestCode(spec.id, 5),
+            Intent(appContext, MainActivity::class.java).apply {
+                this.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP
+                putExtra(PluriWaveAlarmReceiver.EXTRA_ALARM_ID, spec.id)
+                putExtra(PluriWaveAlarmReceiver.EXTRA_ALARM_TITLE, spec.title)
+            },
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        )
+        val againIntent = PendingIntent.getBroadcast(
+            appContext,
+            requestCode(spec.id, 6),
+            Intent(appContext, PluriWaveAlarmReceiver::class.java).apply {
+                action = PluriWaveAlarmReceiver.ACTION_SNOOZE_AGAIN
+                putExtra(PluriWaveAlarmReceiver.EXTRA_ALARM_ID, spec.id)
+                putExtra(PluriWaveAlarmReceiver.EXTRA_ALARM_TITLE, spec.title)
+                putExtra(PluriWaveAlarmReceiver.EXTRA_SNOOZE_MINUTES, spec.snoozeMinutes)
+            },
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        )
+        val stopIntent = PendingIntent.getBroadcast(
+            appContext,
+            requestCode(spec.id, 7),
+            Intent(appContext, PluriWaveAlarmReceiver::class.java).apply {
+                action = PluriWaveAlarmReceiver.ACTION_CANCEL_SNOOZE
+                putExtra(PluriWaveAlarmReceiver.EXTRA_ALARM_ID, spec.id)
+                putExtra(PluriWaveAlarmReceiver.EXTRA_ALARM_TITLE, spec.title)
+            },
+            PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
+        )
+
+        val notification = NotificationCompat.Builder(appContext, PluriWaveAlarmReceiver.CHANNEL_ID)
+            .setSmallIcon(android.R.drawable.ic_lock_idle_alarm)
+            .setContentTitle(spec.title)
+            .setContentText(text)
+            .setPriority(NotificationCompat.PRIORITY_LOW)
+            .setCategory(NotificationCompat.CATEGORY_REMINDER)
+            .setSilent(true)
+            .setOnlyAlertOnce(true)
+            .setOngoing(true)
+            .setContentIntent(openIntent)
+            .addAction(0, spec.snoozeAgainLabel ?: "Snooze again", againIntent)
+            .addAction(0, spec.snoozeStopLabel ?: "Stop", stopIntent)
+            .build()
+
+        try {
+            NotificationManagerCompat.from(appContext).notify(
+                PluriWaveAlarmReceiver.notificationIdForAlarm(spec.id),
+                notification
+            )
+        } catch (error: SecurityException) {
+            Log.e(tag, "alarm.snoozeCountdown notify SecurityException id=${spec.id}", error)
+        }
+    }
+
+    private fun ensurePreNoticeChannel() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return
+        val manager = appContext.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+        if (manager.getNotificationChannel(PluriWaveAlarmReceiver.CHANNEL_ID) != null) return
+        val channel = NotificationChannel(
+            PluriWaveAlarmReceiver.CHANNEL_ID,
+            "Preavisos de alarmas",
+            NotificationManager.IMPORTANCE_LOW
+        ).apply {
+            setSound(null, null)
+            enableVibration(false)
+        }
+        manager.createNotificationChannel(channel)
+    }
+
+    private fun ceilMinutes(deltaMillis: Long): Long =
+        maxOf(1L, (deltaMillis + 59_999L) / 60_000L)
+
     fun cancelAlarm(id: String) {
         Log.d(tag, "alarm.cancel id=$id")
         removeScheduledAlarm(id)
@@ -322,6 +570,7 @@ class AlarmScheduler(private val context: Context) {
         cancelPending("fire", pendingFireIntent(id, PendingIntent.FLAG_NO_CREATE))
         cancelPending("show", pendingShowIntent(id, PendingIntent.FLAG_NO_CREATE))
         cancelPending("preNotice", pendingPreNoticeIntent(id, PendingIntent.FLAG_NO_CREATE))
+        cancelSnoozeCountdown(id)
         NotificationManagerCompat.from(appContext).cancel(
             PluriWaveAlarmReceiver.notificationIdForAlarm(id)
         )
@@ -659,7 +908,12 @@ class AlarmScheduler(private val context: Context) {
         val timezoneId: String,
         // Nullable for backward compat: old persisted alarms without this field
         // fall back to the English default in the receiver. Schema stays v3.
-        val preNoticeTemplate: String? = null
+        val preNoticeTemplate: String? = null,
+        // Localized template + button labels for the per-minute snooze countdown
+        // notification. Nullable so pre-existing persisted alarms keep working.
+        val snoozeCountdownTemplate: String? = null,
+        val snoozeAgainLabel: String? = null,
+        val snoozeStopLabel: String? = null
     ) {
         fun toJson(): JSONObject = JSONObject().apply {
             put("schemaVersion", 3)
@@ -687,6 +941,9 @@ class AlarmScheduler(private val context: Context) {
             put("fadeInSegundos", fadeInSegundos)
             put("timezoneId", timezoneId)
             put("preNoticeTemplate", preNoticeTemplate)
+            put("snoozeCountdownTemplate", snoozeCountdownTemplate)
+            put("snoozeAgainLabel", snoozeAgainLabel)
+            put("snoozeStopLabel", snoozeStopLabel)
         }
 
         companion object {
@@ -724,7 +981,11 @@ class AlarmScheduler(private val context: Context) {
                     volume = json.optDouble("volume", 0.85).toFloat(),
                     fadeInSegundos = json.optInt("fadeInSegundos", 0).coerceIn(0, 60),
                     timezoneId = json.optString("timezoneId", TimeZone.getDefault().id),
-                    preNoticeTemplate = json.optString("preNoticeTemplate").takeIf { it.isNotBlank() }
+                    preNoticeTemplate = json.optString("preNoticeTemplate").takeIf { it.isNotBlank() },
+                    snoozeCountdownTemplate =
+                        json.optString("snoozeCountdownTemplate").takeIf { it.isNotBlank() },
+                    snoozeAgainLabel = json.optString("snoozeAgainLabel").takeIf { it.isNotBlank() },
+                    snoozeStopLabel = json.optString("snoozeStopLabel").takeIf { it.isNotBlank() }
                 )
             }
         }

android/app/src/main/kotlin/es/freetimelab/pluriwave/MainActivity.kt

@@ -116,7 +116,10 @@ class MainActivity : AudioServiceActivity() {
                             fallbackStationName = call.argument<String>("fallbackStationName"),
                             fallbackStationUrl = call.argument<String>("fallbackStationUrl"),
                             fadeInSegundos = call.argument<Int>("fadeInSegundos") ?: 0,
-                            preNoticeTemplate = call.argument<String>("preNoticeTemplate")
+                            preNoticeTemplate = call.argument<String>("preNoticeTemplate"),
+                            snoozeCountdownTemplate = call.argument<String>("snoozeCountdownTemplate"),
+                            snoozeAgainLabel = call.argument<String>("snoozeAgainLabel"),
+                            snoozeStopLabel = call.argument<String>("snoozeStopLabel")
                         )
                         result.success(scheduled)
                     }
@@ -767,6 +770,9 @@ class MainActivity : AudioServiceActivity() {
         /** alarmAction reported when the native service snoozed by itself. */
         const val ALARM_ACTION_SNOOZED = "snoozed"
 
+        /** alarmAction reported when a pending snooze was cancelled natively. */
+        const val ALARM_ACTION_SNOOZE_CANCELLED = "snoozeCancelled"
+
         @Volatile
         private var activeInstance: MainActivity? = null
 

android/app/src/main/kotlin/es/freetimelab/pluriwave/PluriWaveAlarmReceiver.kt

@@ -91,6 +91,40 @@ class PluriWaveAlarmReceiver : BroadcastReceiver() {
                     Log.e(TAG, "alarm.receiver skipNext startActivity ERROR id=$alarmId", error)
                 }
             }
+            ACTION_SNOOZE_COUNTDOWN -> {
+                AlarmScheduler(context).handleSnoozeCountdownTick(alarmId)
+            }
+            ACTION_SNOOZE_AGAIN -> {
+                val snoozed = AlarmScheduler(context).snoozeAgain(alarmId, snoozeMinutes)
+                if (snoozed != null) {
+                    // Reuses the existing native-snooze event so Flutter records
+                    // the new snooze (live) and the cold-start sync imports it.
+                    MainActivity.notifyAlarmEvent(
+                        mapOf(
+                            "alarmId" to alarmId,
+                            "alarmTitle" to snoozed.title,
+                            "alarmAction" to MainActivity.ALARM_ACTION_SNOOZED,
+                            "occurrenceAtMillis" to snoozed.occurrenceAtMillis,
+                            "snoozeUntilMillis" to snoozed.snoozeUntilMillis,
+                            "snoozeMinutes" to snoozeMinutes
+                        )
+                    )
+                }
+            }
+            ACTION_CANCEL_SNOOZE -> {
+                val occurrence = AlarmScheduler(context).cancelSnooze(alarmId)
+                NotificationManagerCompat.from(context).cancel(notificationIdForAlarm(alarmId))
+                if (occurrence != null) {
+                    MainActivity.notifyAlarmEvent(
+                        mapOf(
+                            "alarmId" to alarmId,
+                            "alarmTitle" to title,
+                            "alarmAction" to MainActivity.ALARM_ACTION_SNOOZE_CANCELLED,
+                            "occurrenceAtMillis" to occurrence
+                        )
+                    )
+                }
+            }
             else -> Log.w(TAG, "alarm.receiver unknown action=${intent.action} id=$alarmId")
         }
     }
@@ -216,6 +250,9 @@ class PluriWaveAlarmReceiver : BroadcastReceiver() {
         const val ACTION_PRE_NOTICE = "es.freetimelab.pluriwave.alarm.PRE_NOTICE"
         const val ACTION_SKIP_NEXT = "es.freetimelab.pluriwave.alarm.SKIP_NEXT"
         const val ACTION_POSTPONE_NEXT = "es.freetimelab.pluriwave.alarm.POSTPONE_NEXT"
+        const val ACTION_SNOOZE_COUNTDOWN = "es.freetimelab.pluriwave.alarm.SNOOZE_COUNTDOWN"
+        const val ACTION_SNOOZE_AGAIN = "es.freetimelab.pluriwave.alarm.SNOOZE_AGAIN"
+        const val ACTION_CANCEL_SNOOZE = "es.freetimelab.pluriwave.alarm.CANCEL_SNOOZE"
         const val EXTRA_ALARM_ID = "alarmId"
         const val EXTRA_ALARM_TITLE = "alarmTitle"
         const val EXTRA_ALARM_ACTION = "alarmAction"

lib/estado/estado_alarmas.dart

@@ -281,6 +281,10 @@ class EstadoAlarmas extends ChangeNotifier {
   /// The native scheduler already re-registered setAlarmClock, so this only
   /// persists the canonical state — it MUST NOT call android.programar again.
   Future<void> _alRecibirEventoNativo(EventoAlarmaAndroid evento) async {
+    if (evento.accion == EventoAlarmaAndroid.accionSnoozeCancelled) {
+      await _registrarCancelacionSnoozeNativa(evento);
+      return;
+    }
     if (evento.accion != EventoAlarmaAndroid.accionSnoozed) return;
     if (evento.alarmaId.isEmpty || evento.snoozeUntilMillis <= 0) return;
     final hasta = DateTime.fromMillisecondsSinceEpoch(evento.snoozeUntilMillis);
@@ -304,6 +308,30 @@ class EstadoAlarmas extends ChangeNotifier {
     }
   }
 
+  /// Mirrors a native snooze cancellation ("Detener" on the countdown
+  /// notification). The native scheduler already advanced to the next normal
+  /// occurrence, so this only clears the snooze in the canonical config and
+  /// MUST NOT call android.programar again (would double-schedule).
+  Future<void> _registrarCancelacionSnoozeNativa(
+    EventoAlarmaAndroid evento,
+  ) async {
+    if (evento.alarmaId.isEmpty) return;
+    final origen =
+        evento.occurrenceAtMillis > 0
+            ? DateTime.fromMillisecondsSinceEpoch(evento.occurrenceAtMillis)
+            : DateTime.now();
+    debugPrint(
+      '[PluriWave][alarmas] snooze cancelado nativo id=${evento.alarmaId} origen=${origen.toIso8601String()}',
+    );
+    try {
+      final config = await servicio.completarEjecucion(evento.alarmaId, origen);
+      _aplicar(config);
+      notifyListeners();
+    } catch (e) {
+      debugPrint('[PluriWave][alarmas] cancelar snooze nativo ERROR $e');
+    }
+  }
+
   Future<void> _sincronizarEjecucionesGestionadasPorAndroid() async {
     try {
       final ejecuciones = await android.obtenerEjecucionesNativasGestionadas();

lib/l10n/app_ar.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "يبدأ خلال {minutes} دقيقة",
+  "snoozeCountdown": "يرنّ خلال {minutes} دقيقة",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "غفوة مرة أخرى",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_bn.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "{minutes} মিনিটে শুরু হবে",
+  "snoozeCountdown": "{minutes} মিনিটে বাজবে",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "আবার স্নুজ করুন",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_de.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "Startet in {minutes} Min.",
+  "snoozeCountdown": "Klingelt in {minutes} Min.",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Erneut schlummern",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_en.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "Starts in {minutes} min",
+  "snoozeCountdown": "Rings in {minutes} min",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Snooze again",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_es.arb

@@ -592,6 +592,15 @@
     }
   },
   "preNoticeCountdown": "Empieza en {minutes} min",
+  "snoozeCountdown": "Suena en {minutes} min",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Posponer otra vez",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_fr.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "Démarre dans {minutes} min",
+  "snoozeCountdown": "Sonne dans {minutes} min",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Reporter encore",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_hi.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "{minutes} मिनट में शुरू होगा",
+  "snoozeCountdown": "{minutes} मिनट में बजेगा",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "फिर से स्नूज़ करें",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_id.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "Mulai dalam {minutes} menit",
+  "snoozeCountdown": "Berbunyi dalam {minutes} mnt",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Tunda lagi",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_it.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "Inizia tra {minutes} min",
+  "snoozeCountdown": "Suona tra {minutes} min",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Posponi di nuovo",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_ja.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "{minutes}分後に開始",
+  "snoozeCountdown": "{minutes}分後に鳴ります",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "もう一度スヌーズ",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_pt.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "Começa em {minutes} min",
+  "snoozeCountdown": "Toca em {minutes} min",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Adiar novamente",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_ru.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "Начнётся через {minutes} мин",
+  "snoozeCountdown": "Прозвонит через {minutes} мин",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "Отложить снова",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/app_zh.arb

@@ -629,6 +629,15 @@
     }
   },
   "preNoticeCountdown": "{minutes}分钟后开始",
+  "snoozeCountdown": "{minutes}分钟后响铃",
+  "@snoozeCountdown": {
+    "placeholders": {
+      "minutes": {
+        "type": "int"
+      }
+    }
+  },
+  "snoozeAgainAction": "再次小睡",
   "@preNoticeCountdown": {
     "placeholders": {
       "minutes": {

lib/l10n/gen/app_localizations.dart

@@ -2312,6 +2312,18 @@ abstract class AppLocalizations {
   /// **'Empieza en {minutes} min'**
   String preNoticeCountdown(int minutes);
 
+  /// No description provided for @snoozeCountdown.
+  ///
+  /// In es, this message translates to:
+  /// **'Suena en {minutes} min'**
+  String snoozeCountdown(int minutes);
+
+  /// No description provided for @snoozeAgainAction.
+  ///
+  /// In es, this message translates to:
+  /// **'Posponer otra vez'**
+  String get snoozeAgainAction;
+
   /// No description provided for @eqDeviceEditTitle.
   ///
   /// In es, this message translates to:

lib/l10n/gen/app_localizations_ar.dart

@@ -1253,6 +1253,14 @@ class AppLocalizationsAr extends AppLocalizations {
     return 'يبدأ خلال $minutes دقيقة';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'يرنّ خلال $minutes دقيقة';
+  }
+
+  @override
+  String get snoozeAgainAction => 'غفوة مرة أخرى';
+
   @override
   String get eqDeviceEditTitle => 'تعديل الجهاز';
 

lib/l10n/gen/app_localizations_bn.dart

@@ -1260,6 +1260,14 @@ class AppLocalizationsBn extends AppLocalizations {
     return '$minutes মিনিটে শুরু হবে';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return '$minutes মিনিটে বাজবে';
+  }
+
+  @override
+  String get snoozeAgainAction => 'আবার স্নুজ করুন';
+
   @override
   String get eqDeviceEditTitle => 'ডিভাইস সম্পাদনা করুন';
 

lib/l10n/gen/app_localizations_de.dart

@@ -1270,6 +1270,14 @@ class AppLocalizationsDe extends AppLocalizations {
     return 'Startet in $minutes Min.';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Klingelt in $minutes Min.';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Erneut schlummern';
+
   @override
   String get eqDeviceEditTitle => 'Gerät bearbeiten';
 

lib/l10n/gen/app_localizations_en.dart

@@ -1256,6 +1256,14 @@ class AppLocalizationsEn extends AppLocalizations {
     return 'Starts in $minutes min';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Rings in $minutes min';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Snooze again';
+
   @override
   String get eqDeviceEditTitle => 'Edit device';
 

lib/l10n/gen/app_localizations_es.dart

@@ -1265,6 +1265,14 @@ class AppLocalizationsEs extends AppLocalizations {
     return 'Empieza en $minutes min';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Suena en $minutes min';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Posponer otra vez';
+
   @override
   String get eqDeviceEditTitle => 'Editar dispositivo';
 

lib/l10n/gen/app_localizations_fr.dart

@@ -1275,6 +1275,14 @@ class AppLocalizationsFr extends AppLocalizations {
     return 'Démarre dans $minutes min';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Sonne dans $minutes min';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Reporter encore';
+
   @override
   String get eqDeviceEditTitle => 'Modifier l\'appareil';
 

lib/l10n/gen/app_localizations_hi.dart

@@ -1259,6 +1259,14 @@ class AppLocalizationsHi extends AppLocalizations {
     return '$minutes मिनट में शुरू होगा';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return '$minutes मिनट में बजेगा';
+  }
+
+  @override
+  String get snoozeAgainAction => 'फिर से स्नूज़ करें';
+
   @override
   String get eqDeviceEditTitle => 'डिवाइस संपादित करें';
 

lib/l10n/gen/app_localizations_id.dart

@@ -1264,6 +1264,14 @@ class AppLocalizationsId extends AppLocalizations {
     return 'Mulai dalam $minutes menit';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Berbunyi dalam $minutes mnt';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Tunda lagi';
+
   @override
   String get eqDeviceEditTitle => 'Edit perangkat';
 

lib/l10n/gen/app_localizations_it.dart

@@ -1270,6 +1270,14 @@ class AppLocalizationsIt extends AppLocalizations {
     return 'Inizia tra $minutes min';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Suona tra $minutes min';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Posponi di nuovo';
+
   @override
   String get eqDeviceEditTitle => 'Modifica dispositivo';
 

lib/l10n/gen/app_localizations_ja.dart

@@ -1220,6 +1220,14 @@ class AppLocalizationsJa extends AppLocalizations {
     return '$minutes分後に開始';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return '$minutes分後に鳴ります';
+  }
+
+  @override
+  String get snoozeAgainAction => 'もう一度スヌーズ';
+
   @override
   String get eqDeviceEditTitle => 'デバイスを編集';
 

lib/l10n/gen/app_localizations_pt.dart

@@ -1262,6 +1262,14 @@ class AppLocalizationsPt extends AppLocalizations {
     return 'Começa em $minutes min';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Toca em $minutes min';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Adiar novamente';
+
   @override
   String get eqDeviceEditTitle => 'Editar dispositivo';
 

lib/l10n/gen/app_localizations_ru.dart

@@ -1266,6 +1266,14 @@ class AppLocalizationsRu extends AppLocalizations {
     return 'Начнётся через $minutes мин';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return 'Прозвонит через $minutes мин';
+  }
+
+  @override
+  String get snoozeAgainAction => 'Отложить снова';
+
   @override
   String get eqDeviceEditTitle => 'Изменить устройство';
 

lib/l10n/gen/app_localizations_zh.dart

@@ -1213,6 +1213,14 @@ class AppLocalizationsZh extends AppLocalizations {
     return '$minutes分钟后开始';
   }
 
+  @override
+  String snoozeCountdown(int minutes) {
+    return '$minutes分钟后响铃';
+  }
+
+  @override
+  String get snoozeAgainAction => '再次小睡';
+
   @override
   String get eqDeviceEditTitle => '编辑设备';
 

lib/pantallas/pantalla_alarma_sonando.dart

@@ -154,11 +154,18 @@ class _PantallaAlarmaSonandoState extends State<PantallaAlarmaSonando> {
   Future<void> _detener() async {
     final radio = context.read<EstadoRadio>();
     final alarmas = context.read<EstadoAlarmas>();
-    await _liberarAudioLocal();
+    await _silenciarAudio(radio);
-    await radio.audio.pausar();
+    // Dismiss is run from finally so a failing reschedule/teardown can never
+    // leave the ringing screen stuck open (which would also block the next
+    // ring via the _alarmaSonandoActiva guard in app.dart).
+    try {
       await alarmas.finalizarEjecucion(widget.alarma.id);
+    } catch (e) {
+      debugPrint('[PluriWave][alarmas] finalizar ejecucion fallo: $e');
+    } finally {
       if (mounted) _dismissScreen();
     }
+  }
 
   /// Flutter-first snooze (S2-R1): tears down local audio, then routes
   /// through the canonical EstadoAlarmas.posponerAlarma, which hides the
@@ -166,11 +173,34 @@ class _PantallaAlarmaSonandoState extends State<PantallaAlarmaSonando> {
   Future<void> _posponer(int minutos) async {
     final radio = context.read<EstadoRadio>();
     final alarmas = context.read<EstadoAlarmas>();
-    await _liberarAudioLocal();
+    await _silenciarAudio(radio);
-    await radio.audio.pausar();
+    // See _detener: the screen MUST close even if posponerAlarma throws
+    // (e.g. native scheduleAlarm returns false on a device without exact
+    // alarm permission). Otherwise the modal freezes and the snooze never
+    // re-rings because _alarmaSonandoActiva stays true.
+    try {
       await alarmas.posponerAlarma(widget.alarma, minutos);
+    } catch (e) {
+      debugPrint('[PluriWave][alarmas] posponer alarma fallo: $e');
+    } finally {
       if (mounted) _dismissScreen();
     }
+  }
+
+  /// Stops both audio sources (local fallback player and the radio handler)
+  /// without letting either failure abort the caller's dismiss flow.
+  Future<void> _silenciarAudio(EstadoRadio radio) async {
+    try {
+      await _liberarAudioLocal();
+    } catch (e) {
+      debugPrint('[PluriWave][alarmas] liberar audio local fallo: $e');
+    }
+    try {
+      await radio.audio.pausar();
+    } catch (e) {
+      debugPrint('[PluriWave][alarmas] pausar radio fallo: $e');
+    }
+  }
 
   /// Dismisses the alarm screen safely in both live-app and dead-app states.
   ///

lib/servicios/servicio_alarmas_android.dart

@@ -23,6 +23,10 @@ class EventoAlarmaAndroid {
   /// (notification "Posponer" while the app may be backgrounded/killed).
   static const accionSnoozed = 'snoozed';
 
+  /// Action reported when a pending snooze was cancelled natively from the
+  /// countdown notification ("Detener" while the app may be killed).
+  static const accionSnoozeCancelled = 'snoozeCancelled';
+
   final String alarmaId;
   final String titulo;
   final String accion;
@@ -183,6 +187,16 @@ class ServicioAlarmasAndroid implements PuertoAlarmasAndroid {
     );
   }
 
+  /// Same sentinel strategy as [_preNoticeTemplate], but for the snooze
+  /// countdown notification re-posted every minute while an alarm is snoozed.
+  static String _snoozeCountdownTemplate(AppLocalizations l10n) {
+    const sentinel = 42424242;
+    return l10n.snoozeCountdown(sentinel).replaceFirst(
+      sentinel.toString(),
+      '{minutes}',
+    );
+  }
+
   @override
   Stream<EventoAlarmaAndroid> get eventosAlarma => _eventosController.stream;
 
@@ -203,6 +217,9 @@ class ServicioAlarmasAndroid implements PuertoAlarmasAndroid {
       'id': alarma.id,
       'title': localizedAlarmName(_textos, alarma.nombre),
       'preNoticeTemplate': _preNoticeTemplate(_textos),
+      'snoozeCountdownTemplate': _snoozeCountdownTemplate(_textos),
+      'snoozeAgainLabel': _textos.snoozeAgainAction,
+      'snoozeStopLabel': _textos.stopAlarmAction,
       'triggerAtMillis': proxima.millisecondsSinceEpoch,
       'preNoticeAtMillis':
           alarma.snoozeHasta == null

test/estado/estado_alarmas_snooze_test.dart

@@ -248,4 +248,61 @@ void main() {
       expect(android.programadas.last.snoozeHasta, isNull);
     },
   );
+
+  test(
+    'evento nativo snoozeCancelled limpia el snooze y avanza sin reprogramar',
+    () async {
+      final ahora = DateTime(2026, 6, 11, 7, 32);
+      final android = FakePuertoAlarmasAndroid();
+      final estado = EstadoAlarmas(
+        servicio: ServicioAlarmas(reloj: () => ahora),
+        android: android,
+        iniciarAutomaticamente: false,
+      );
+      addTearDown(estado.dispose);
+      addTearDown(android.dispose);
+      await estado.guardarAlarma(
+        AlarmaMusical(
+          id: 'cancel1',
+          nombre: 'Diaria',
+          hora: 7,
+          minuto: 30,
+          tipoProgramacion: TipoProgramacionAlarma.diaria,
+          diasSemana: const [],
+          proximaEjecucion: DateTime(2026, 6, 11, 7, 30),
+          snoozeHasta: DateTime(2026, 6, 11, 7, 35),
+          snoozeOrigen: DateTime(2026, 6, 11, 7, 30),
+        ),
+      );
+      expect(estado.alarmas.single.snoozeHasta, isNotNull);
+      final programadasAntes = android.programadas.length;
+      final notificado = Completer<void>();
+      estado.addListener(() {
+        if (!notificado.isCompleted) notificado.complete();
+      });
+
+      android.emitirEvento(
+        EventoAlarmaAndroid(
+          alarmaId: 'cancel1',
+          titulo: 'Diaria',
+          accion: EventoAlarmaAndroid.accionSnoozeCancelled,
+          occurrenceAtMillis:
+              DateTime(2026, 6, 11, 7, 30).millisecondsSinceEpoch,
+        ),
+      );
+      await notificado.future;
+
+      expect(estado.alarmas.single.snoozeHasta, isNull);
+      expect(
+        estado.alarmas.single.proximaEjecucion,
+        DateTime(2026, 6, 12, 7, 30),
+        reason: 'avanza a la próxima ocurrencia diaria',
+      );
+      expect(
+        android.programadas.length,
+        programadasAntes,
+        reason: 'el nativo ya reprogramó; no debe haber un segundo programar',
+      );
+    },
+  );
 }