feat(ui): add RunNowRequestedEvent and GetAgentsAsync to WorkerClient

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/ClaudeDo.Ui/Services/WorkerClient.cs

@@ -42,6 +42,7 @@ public partial class WorkerClient : ObservableObject, IAsyncDisposable
     public event Action<string, string>? TaskMessageEvent;
     public event Action<string>? TaskUpdatedEvent;
     public event Action<string>? WorktreeUpdatedEvent;
+    public event Action<string>? RunNowRequestedEvent;
 
     public WorkerClient(string signalRUrl)
     {
@@ -162,6 +163,7 @@ public partial class WorkerClient : ObservableObject, IAsyncDisposable
 
     public async Task RunNowAsync(string taskId)
     {
+        RunNowRequestedEvent?.Invoke(taskId);
         await _hub.InvokeAsync("RunNow", taskId);
     }
 
@@ -175,6 +177,24 @@ public partial class WorkerClient : ObservableObject, IAsyncDisposable
         await _hub.InvokeAsync("WakeQueue");
     }
 
+    public async Task<List<AgentInfo>> GetAgentsAsync()
+    {
+        try
+        {
+            var agents = await _hub.InvokeAsync<List<AgentInfo>>("GetAgents");
+            return agents ?? [];
+        }
+        catch
+        {
+            return [];
+        }
+    }
+
+    public async Task RefreshAgentsAsync()
+    {
+        await _hub.InvokeAsync("RefreshAgents");
+    }
+
     private async Task SeedActiveTasksAsync()
     {
         try
@@ -200,7 +220,7 @@ public partial class WorkerClient : ObservableObject, IAsyncDisposable
         await _hub.DisposeAsync();
     }
 
-    // DTO for deserializing the GetActive response
+    // DTOs for deserializing hub responses
     private sealed class ActiveTaskDto
     {
         public string Slot { get; set; } = "";
@@ -208,3 +228,5 @@ public partial class WorkerClient : ObservableObject, IAsyncDisposable
         public DateTime StartedAt { get; set; }
     }
 }
+
+public record AgentInfo(string Name, string Description, string Path);