Merge branch 'claudedo/f518b71f990643cfaf73174e8617b2b5'

Drop the unused deferredUntil parameter the branch added to HandoffRequested: the worker still sends three args, so the four-arg client handler would never bind. The reset time already arrives via HandlerHandoffDeferred.

src/ClaudeDo.Worker/Hub/HubBroadcaster.cs

@@ -52,6 +52,11 @@ public sealed class HubBroadcaster : IPrimeBroadcaster, IRefineBroadcaster
     public Task HandlerUsageWarning(string handlerTaskId, string message) =>
         _hub.Clients.All.SendAsync("HandlerUsageWarning", handlerTaskId, message);
 
+    // A list-handler handoff is deferred because the 5h usage window is exhausted. Mission Control
+    // updates the pane title to show the reset time, so the user sees when the session will resume.
+    public Task HandlerHandoffDeferred(string handlerTaskId, DateTimeOffset dueAt) =>
+        _hub.Clients.All.SendAsync("HandlerHandoffDeferred", handlerTaskId, dueAt);
+
     /// <summary>An agent wrote a note through MCP — the open notes editor reloads.</summary>
     public Task NotesUpdated() =>
         _hub.Clients.All.SendAsync("NotesUpdated");