up the blokcing tasks

src/Notifier/StellaOps.Notifier/StellaOps.Notifier.Worker/Retention/DefaultRetentionPolicyService.cs

@@ -2,6 +2,7 @@ using System.Collections.Concurrent;
 using Microsoft.Extensions.Logging;
 using StellaOps.Notifier.Worker.DeadLetter;
 using StellaOps.Notifier.Worker.Observability;
+using DeadLetterStats = StellaOps.Notifier.Worker.DeadLetter.DeadLetterStats;
 
 namespace StellaOps.Notifier.Worker.Retention;
 

src/Notifier/StellaOps.Notifier/StellaOps.Notifier.Worker/Retention/IRetentionPolicyService.cs

@@ -53,6 +53,11 @@ public interface IRetentionPolicyService
 /// </summary>
 public sealed record RetentionPolicy
 {
+    /// <summary>
+    /// Identifier for the policy (defaults to tenant-specific "default").
+    /// </summary>
+    public string Id { get; init; } = "default";
+
     /// <summary>
     /// Retention period for delivery records.
     /// </summary>

src/Notifier/StellaOps.Notifier/StellaOps.Notifier.Worker/Retention/RetentionOptions.cs

@@ -0,0 +1,14 @@
+namespace StellaOps.Notifier.Worker.Retention;
+
+/// <summary>
+/// Options for retention policy configuration.
+/// </summary>
+public sealed class RetentionOptions
+{
+    public const string SectionName = "Notifier:Observability:Retention";
+
+    /// <summary>
+    /// Default policy values applied when no tenant-specific policy is set.
+    /// </summary>
+    public RetentionPolicy DefaultPolicy { get; set; } = RetentionPolicy.Default;
+}