Minha alteração

Services/NotificationOptions.cs

@@ -4,5 +4,8 @@ public class NotificationOptions
 {
     public int CheckIntervalMinutes { get; set; } = 60;
     public bool NotifyAllFutureDates { get; set; } = true;
+    // Limit how far ahead "A vencer" notifications can be generated.
+    // Prevents alerting contracts years in the future (e.g. 2028) when the system runs daily.
+    public int MaxFutureDays { get; set; } = 30;
     public List<int> ReminderDays { get; set; } = new() { 30, 15, 7 };
 }

Services/VigenciaNotificationSyncService.cs

@@ -64,6 +64,7 @@ public class VigenciaNotificationSyncService : IVigenciaNotificationSyncService
     {
         var today = DateTime.SpecifyKind(DateTime.UtcNow.Date, DateTimeKind.Utc);
         var notifyAllFutureDates = _options.NotifyAllFutureDates;
+        var maxFutureDays = _options.MaxFutureDays <= 0 ? 30 : _options.MaxFutureDays;
         var reminderDays = _options.ReminderDays
             .Distinct()
             .Where(d => d > 0)
@@ -86,7 +87,7 @@ public class VigenciaNotificationSyncService : IVigenciaNotificationSyncService
             .Where(v => v.DtTerminoFidelizacao != null)
             .ToListAsync(cancellationToken);
 
-        await CleanupOutdatedNotificationsAsync(vigencias, notifyAllFutureDates, reminderDays, today, cancellationToken);
+        await CleanupOutdatedNotificationsAsync(vigencias, notifyAllFutureDates, reminderDays, today, maxFutureDays, cancellationToken);
 
         var candidates = new List<Notification>();
         foreach (var vigencia in vigencias)
@@ -133,6 +134,10 @@ public class VigenciaNotificationSyncService : IVigenciaNotificationSyncService
             }
 
             var daysUntil = (endDate - today).Days;
+            if (daysUntil > maxFutureDays)
+            {
+                continue;
+            }
             if (!notifyAllFutureDates && !reminderDays.Contains(daysUntil))
             {
                 continue;
@@ -213,8 +218,14 @@ public class VigenciaNotificationSyncService : IVigenciaNotificationSyncService
         bool notifyAllFutureDates,
         IReadOnlyCollection<int> reminderDays,
         DateTime today,
+        int maxFutureDays,
         CancellationToken cancellationToken)
     {
+        if (maxFutureDays <= 0)
+        {
+            maxFutureDays = 30;
+        }
+
         var vigenciasById = vigencias.ToDictionary(v => v.Id, v => v);
         var vigenciasByLinha = vigencias
             .Where(v => !string.IsNullOrWhiteSpace(v.Linha))
@@ -253,6 +264,11 @@ public class VigenciaNotificationSyncService : IVigenciaNotificationSyncService
             }
 
             var daysUntil = (endDate - today).Days;
+            if (daysUntil > maxFutureDays)
+            {
+                idsToDelete.Add(notification.Id);
+                continue;
+            }
             if (notification.Tipo == "Vencido")
             {
                 idsToDelete.Add(notification.Id);

appsettings.Development.json

@@ -25,6 +25,7 @@
   "Notifications": {
     "CheckIntervalMinutes": 60,
     "NotifyAllFutureDates": true,
+    "MaxFutureDays": 30,
     "ReminderDays": [30, 15, 7]
   },
   "Seed": {

appsettings.json

@@ -25,6 +25,7 @@
   "Notifications": {
     "CheckIntervalMinutes": 60,
     "NotifyAllFutureDates": true,
+    "MaxFutureDays": 30,
     "ReminderDays": [ 30, 15, 7 ]
   },
   "Seed": {