diff --git a/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs b/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs
index e927ef3..0483fbc 100644
--- a/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs
+++ b/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs
@@ -1,9 +1,10 @@
 using ClaudeDo.Data.Models;
+using ClaudeDo.Worker.Prime;
 using Microsoft.AspNetCore.SignalR;
 
 namespace ClaudeDo.Worker.Hub;
 
-public sealed class HubBroadcaster
+public sealed class HubBroadcaster : IPrimeBroadcaster
 {
     private readonly IHubContext<WorkerHub> _hub;
 
@@ -47,4 +48,10 @@ public sealed class HubBroadcaster
 
     public Task PlanningCompleted(string planningTaskId) =>
         _hub.Clients.All.SendAsync("PlanningCompleted", planningTaskId);
+
+    public Task PrimeFired(Guid scheduleId, bool success, string message, DateTimeOffset firedAt) =>
+        _hub.Clients.All.SendAsync("PrimeFired", scheduleId, success, message, firedAt);
+
+    Task IPrimeBroadcaster.PrimeFiredAsync(Guid scheduleId, bool success, string message, DateTimeOffset firedAt) =>
+        PrimeFired(scheduleId, success, message, firedAt);
 }