diff --git a/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs b/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs
index 467fae9..c0690be 100644
--- a/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs
+++ b/src/ClaudeDo.Worker/Hub/HubBroadcaster.cs
@@ -1,10 +1,11 @@
 using ClaudeDo.Data.Models;
 using ClaudeDo.Worker.Prime;
+using ClaudeDo.Worker.Refine;
 using Microsoft.AspNetCore.SignalR;
 
 namespace ClaudeDo.Worker.Hub;
 
-public sealed class HubBroadcaster : IPrimeBroadcaster
+public sealed class HubBroadcaster : IPrimeBroadcaster, IRefineBroadcaster
 {
     private readonly IHubContext<WorkerHub> _hub;
 
@@ -62,4 +63,12 @@ public sealed class HubBroadcaster : IPrimeBroadcaster
     Task IPrimeBroadcaster.PrepStartedAsync() => PrepStarted();
     Task IPrimeBroadcaster.PrepLineAsync(string line) => PrepLine(line);
     Task IPrimeBroadcaster.PrepFinishedAsync(bool success) => PrepFinished(success);
+
+    public Task RefineStarted(string taskId) => _hub.Clients.All.SendAsync("RefineStarted", taskId);
+    public Task RefineFinished(string taskId, bool success, string? error) =>
+        _hub.Clients.All.SendAsync("RefineFinished", taskId, success, error);
+
+    Task IRefineBroadcaster.RefineStartedAsync(string taskId) => RefineStarted(taskId);
+    Task IRefineBroadcaster.RefineFinishedAsync(string taskId, bool success, string? error) =>
+        RefineFinished(taskId, success, error);
 }
diff --git a/src/ClaudeDo.Worker/Hub/WorkerHub.cs b/src/ClaudeDo.Worker/Hub/WorkerHub.cs
index 72ac154..959957c 100644
--- a/src/ClaudeDo.Worker/Hub/WorkerHub.cs
+++ b/src/ClaudeDo.Worker/Hub/WorkerHub.cs
@@ -8,6 +8,7 @@ using ClaudeDo.Worker.Lifecycle;
 using ClaudeDo.Worker.Planning;
 using ClaudeDo.Worker.Prime;
 using ClaudeDo.Worker.Queue;
+using ClaudeDo.Worker.Refine;
 using ClaudeDo.Worker.Report;
 using ClaudeDo.Worker.Report.Interfaces;
 using ClaudeDo.Worker.State;
@@ -83,6 +84,7 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
     private readonly IPrimeRunner _primeRunner;
     private readonly ITaskStateService _state;
     private readonly IWeekReportService _report;
+    private readonly IRefineRunner _refineRunner;
 
     public WorkerHub(
         QueueService queue,
@@ -102,7 +104,8 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
         IPrimeScheduleSignal primeSignal,
         IPrimeRunner primeRunner,
         ITaskStateService state,
-        IWeekReportService report)
+        IWeekReportService report,
+        IRefineRunner refineRunner)
     {
         _queue = queue;
         _waker = waker;
@@ -122,6 +125,7 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
         _primeRunner = primeRunner;
         _state = state;
         _report = report;
+        _refineRunner = refineRunner;
     }
 
     // Maps the two exceptions service methods throw into client-facing HubExceptions:
@@ -541,6 +545,12 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
         _primeSignal.Signal();
     }
 
+    public Task RefineTask(string taskId)
+    {
+        _ = _refineRunner.RefineAsync(taskId, CancellationToken.None);
+        return Task.CompletedTask;
+    }
+
     public async Task<bool> RunDailyPrepNow()
     {
         var schedule = new PrimeScheduleDto(Guid.Empty, 0, TimeSpan.Zero, true, null, null);
diff --git a/src/ClaudeDo.Worker/Program.cs b/src/ClaudeDo.Worker/Program.cs
index 3f06a19..7348efe 100644
--- a/src/ClaudeDo.Worker/Program.cs
+++ b/src/ClaudeDo.Worker/Program.cs
@@ -12,6 +12,7 @@ using ClaudeDo.Worker.Queue;
 using ClaudeDo.Worker.Runner;
 using ClaudeDo.Worker.State;
 using ClaudeDo.Worker.Prime;
+using ClaudeDo.Worker.Refine;
 using ClaudeDo.Worker.Report;
 using ClaudeDo.Worker.Report.Interfaces;
 using ClaudeDo.Worker.Worktrees;
@@ -108,6 +109,10 @@ builder.Services.AddSingleton(PrimeSchedulerOptions.Default);
 builder.Services.AddSingleton<IPrimeBroadcaster>(sp => sp.GetRequiredService<HubBroadcaster>());
 builder.Services.AddHostedService<PrimeScheduler>();
 
+// Refine
+builder.Services.AddSingleton<IRefineRunner, RefineRunner>();
+builder.Services.AddSingleton<IRefineBroadcaster>(sp => sp.GetRequiredService<HubBroadcaster>());
+
 // QueueService: singleton + hosted service (same instance).
 builder.Services.AddSingleton<QueueService>();
 builder.Services.AddHostedService(sp => sp.GetRequiredService<QueueService>());
diff --git a/tests/ClaudeDo.Worker.Tests/Hub/ClearMyDayHubTests.cs b/tests/ClaudeDo.Worker.Tests/Hub/ClearMyDayHubTests.cs
index 402cce2..1fd550c 100644
--- a/tests/ClaudeDo.Worker.Tests/Hub/ClearMyDayHubTests.cs
+++ b/tests/ClaudeDo.Worker.Tests/Hub/ClearMyDayHubTests.cs
@@ -19,7 +19,7 @@ public sealed class ClearMyDayHubTests : IDisposable
         var broadcaster = new HubBroadcaster(new CapturingHubContext());
         var hub = new WorkerHub(
             null!, null!, null!, null!, broadcaster, _db.CreateFactory(),
-            null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!);
+            null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!);
         hub.Clients = new FakeHubCallerClients(new RecordingClientProxy());
         hub.Context = new FakeHubCallerContext();
         return hub;
diff --git a/tests/ClaudeDo.Worker.Tests/Hub/PlanningHubTests.cs b/tests/ClaudeDo.Worker.Tests/Hub/PlanningHubTests.cs
index 2fba972..1579e3c 100644
--- a/tests/ClaudeDo.Worker.Tests/Hub/PlanningHubTests.cs
+++ b/tests/ClaudeDo.Worker.Tests/Hub/PlanningHubTests.cs
@@ -55,7 +55,7 @@ public sealed class PlanningHubTests : IDisposable
     {
         var hub = new WorkerHub(
             null!, null!, null!, null!, null!, null!, null!, null!, null!,
-            _planning, _launcher, null!, null!, null!, null!, null!, null!, null!);
+            _planning, _launcher, null!, null!, null!, null!, null!, null!, null!, null!);
         hub.Clients = new FakeHubCallerClients(_proxy);
         hub.Context = new FakeHubCallerContext();
         return hub;
diff --git a/tests/ClaudeDo.Worker.Tests/Hub/WorktreeStateHubTests.cs b/tests/ClaudeDo.Worker.Tests/Hub/WorktreeStateHubTests.cs
index 87b845b..0043533 100644
--- a/tests/ClaudeDo.Worker.Tests/Hub/WorktreeStateHubTests.cs
+++ b/tests/ClaudeDo.Worker.Tests/Hub/WorktreeStateHubTests.cs
@@ -19,7 +19,7 @@ public sealed class WorktreeStateHubTests : IDisposable
         var broadcaster = new HubBroadcaster(new CapturingHubContext());
         var hub = new WorkerHub(
             null!, null!, null!, null!, broadcaster, _db.CreateFactory(),
-            null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!);
+            null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!, null!);
         hub.Clients = new FakeHubCallerClients(new RecordingClientProxy());
         hub.Context = new FakeHubCallerContext();
         return hub;