feat(ui): add starting state feedback to task list

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

src/ClaudeDo.Ui/ViewModels/TaskItemViewModel.cs

@@ -14,6 +14,7 @@ public partial class TaskItemViewModel : ViewModelBase
     [ObservableProperty] private string _commitType;
     [ObservableProperty] private string? _description;
     [ObservableProperty] private TaskStatus _status;
+    [ObservableProperty] private bool _isStarting;
 
     public string Id { get; }
     public string ListId { get; }
@@ -66,6 +67,7 @@ public partial class TaskItemViewModel : ViewModelBase
         RunNowCommand.NotifyCanExecuteChanged();
         OnPropertyChanged(nameof(IsDone));
         OnPropertyChanged(nameof(IsRunning));
+        IsStarting = false;
         OnPropertyChanged(nameof(CanToggleDone));
         OnPropertyChanged(nameof(TitleDecorations));
         OnPropertyChanged(nameof(TitleForeground));
@@ -73,6 +75,19 @@ public partial class TaskItemViewModel : ViewModelBase
         ToggleDoneCommand.NotifyCanExecuteChanged();
     }
 
+    public void SetStarting()
+    {
+        IsStarting = true;
+        StatusText = "starting...";
+        RunNowCommand.NotifyCanExecuteChanged();
+    }
+
+    public void ClearStarting()
+    {
+        IsStarting = false;
+        RunNowCommand.NotifyCanExecuteChanged();
+    }
+
     [RelayCommand(CanExecute = nameof(CanRunNow))]
     private async Task RunNowAsync()
     {
@@ -81,7 +96,7 @@ public partial class TaskItemViewModel : ViewModelBase
     }
 
     private bool CanRunNow() =>
-        _canRunNow() && Status != TaskStatus.Running;
+        _canRunNow() && Status != TaskStatus.Running && !IsStarting;
 
     [RelayCommand(CanExecute = nameof(CanToggleDone))]
     private async Task ToggleDone()

src/ClaudeDo.Ui/ViewModels/TaskListViewModel.cs

@@ -55,6 +55,18 @@ public partial class TaskListViewModel : ViewModelBase
                         t.RunNowCommand.NotifyCanExecuteChanged();
                 });
         };
+
+        worker.RunNowRequestedEvent += taskId =>
+        {
+            var item = Tasks.FirstOrDefault(t => t.Id == taskId);
+            item?.SetStarting();
+        };
+
+        worker.TaskStartedEvent += (_, taskId, _) =>
+        {
+            var item = Tasks.FirstOrDefault(t => t.Id == taskId);
+            item?.ClearStarting();
+        };
     }
 
     public async Task LoadAsync(string? listId)

src/ClaudeDo.Ui/Views/TaskListView.axaml

@@ -70,6 +70,10 @@
                                          Fill="{StaticResource StatusOrangeBrush}"
                                          IsVisible="{Binding IsRunning}"
                                          HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                                <!-- Starting dot -->
+                                <Ellipse Width="8" Height="8" Fill="#FFD700"
+                                         IsVisible="{Binding IsStarting}"
+                                         HorizontalAlignment="Center" VerticalAlignment="Center"/>
                             </Panel>
                         </Border>