feat(ui): add Let Claude handle it broom button to tasks header

src/ClaudeDo.Localization/locales/de.json

@@ -117,6 +117,7 @@
   },
   "tasks": {
     "showCompletedTip": "Abgeschlossene anzeigen",
+    "letClaudeTip": "Claude machen lassen",
     "listSettingsTip": "Listeneinstellungen",
     "addPlaceholder": "Aufgabe hinzufügen…",
     "enterKey": "ENTER",

src/ClaudeDo.Localization/locales/en.json

@@ -117,6 +117,7 @@
   },
   "tasks": {
     "showCompletedTip": "Show completed",
+    "letClaudeTip": "Let Claude handle it",
     "listSettingsTip": "List settings",
     "addPlaceholder": "Add a task…",
     "enterKey": "ENTER",

src/ClaudeDo.Ui/ViewModels/Islands/TasksIslandViewModel.cs

@@ -72,6 +72,12 @@ public sealed partial class TasksIslandViewModel : ViewModelBase, IDisposable
     [ObservableProperty] private string _completedHeader = "";
     [ObservableProperty] private bool _showNotesRow;
     [ObservableProperty] private bool _isMyDayList;
+    [ObservableProperty] private bool _isLetClaudeVisible;
+
+    public event EventHandler? LetClaudeHandleRequested;
+
+    [RelayCommand]
+    private void LetClaudeHandle() => LetClaudeHandleRequested?.Invoke(this, EventArgs.Empty);
 
     internal Task? LoadTask { get; private set; }
 
@@ -211,8 +217,11 @@ public sealed partial class TasksIslandViewModel : ViewModelBase, IDisposable
 
     private void OnCurrentListPropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
     {
-        if (e.PropertyName == nameof(ListNavItemViewModel.Name) && sender is ListNavItemViewModel vm)
+        if (sender is not ListNavItemViewModel vm) return;
+        if (e.PropertyName == nameof(ListNavItemViewModel.Name))
             HeaderTitle = vm.Name;
+        else if (e.PropertyName == nameof(ListNavItemViewModel.WorkingDir))
+            IsLetClaudeVisible = vm.Kind == ListKind.User && !string.IsNullOrWhiteSpace(vm.WorkingDir);
     }
 
     public void LoadForList(ListNavItemViewModel? list)
@@ -237,12 +246,13 @@ public sealed partial class TasksIslandViewModel : ViewModelBase, IDisposable
         HasCompleted  = false;
         ShowOpenLabel = false;
         ShowNotesRow  = false;
-        if (list is null) { LoadTask = Task.CompletedTask; return; }
+        if (list is null) { IsLetClaudeVisible = false; LoadTask = Task.CompletedTask; return; }
 
         HeaderTitle = list.Name;
         HeaderEyebrow = DateTime.Now.ToString("dddd · MMM dd", CultureInfo.InvariantCulture).ToUpperInvariant();
         ShowNotesRow = list.Id == "smart:my-day";
         IsMyDayList  = list.Id == "smart:my-day";
+        IsLetClaudeVisible = list.Kind == ListKind.User && !string.IsNullOrWhiteSpace(list.WorkingDir);
 
         LoadTask = LoadForListAsync(list, ct);
     }

src/ClaudeDo.Ui/ViewModels/IslandsShellViewModel.cs

@@ -251,6 +251,11 @@ public sealed partial class IslandsShellViewModel : ViewModelBase, IDisposable
             if (Lists.SelectedList is { } row)
                 Lists.OpenListSettingsCommand.Execute(row);
         };
+        Tasks.LetClaudeHandleRequested += (_, _) =>
+        {
+            if (Lists.SelectedList is { } row)
+                Lists.LetClaudeHandleListCommand.Execute(row);
+        };
         Details.CloseDetail = () => Tasks.SelectedTask = null;
         Details.DeleteFromList = row =>
         {

src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml

@@ -33,6 +33,10 @@
                   ToolTip.Tip="{loc:Tr tasks.showCompletedTip}">
             <PathIcon Width="15" Height="15" Data="{StaticResource Icon.Eye}"/>
           </Button>
+          <Button Classes="icon-btn" IsVisible="{Binding IsLetClaudeVisible}"
+                  Command="{Binding LetClaudeHandleCommand}" ToolTip.Tip="{loc:Tr tasks.letClaudeTip}">
+            <PathIcon Width="15" Height="15" Data="{StaticResource Icon.Broom}"/>
+          </Button>
           <Button Classes="icon-btn" IsVisible="{Binding IsMyDayList}"
                   Command="{Binding ClearDayCommand}" ToolTip.Tip="{loc:Tr tasks.clearDayTip}">
             <PathIcon Width="15" Height="15" Data="{StaticResource Icon.Broom}"/>