feat(ui): add Refine button, icon, and command to task card

src/ClaudeDo.Localization/locales/de.json

@@ -111,7 +111,8 @@
     "reviewTitle": "Review",
     "feedbackLabel": "FEEDBACK FÜR DEN AGENTEN",
     "feedbackPlaceholder": "Was soll der Agent korrigieren?",
-    "rerun": "Erneut ausführen"
+    "rerun": "Erneut ausführen",
+    "refineTip": "Aufgabe mit Claude verfeinern"
   },
   "lists": {
     "heading": "Listen",

src/ClaudeDo.Localization/locales/en.json

@@ -111,7 +111,8 @@
     "reviewTitle": "Review",
     "feedbackLabel": "FEEDBACK FOR THE AGENT",
     "feedbackPlaceholder": "What should the agent fix?",
-    "rerun": "Re-run"
+    "rerun": "Re-run",
+    "refineTip": "Refine this task with Claude"
   },
   "lists": {
     "heading": "Lists",

src/ClaudeDo.Ui/Design/IslandStyles.axaml

@@ -76,6 +76,9 @@
     <!-- Icon.PlanDay (stroke-rendered via Path.plan-icon — sun over horizon) -->
     <StreamGeometry x:Key="Icon.PlanDay">M3,20 L21,20 M8.4,11 a3.6,3.6 0 1,0 7.2,0 a3.6,3.6 0 1,0 -7.2,0 M12,4.5 L12,3 M6,11 L4.5,11 M18,11 L19.5,11 M7.5,6.5 L6.4,5.4 M16.5,6.5 L17.6,5.4</StreamGeometry>
 
+    <!-- Icon.Refine (stroke-rendered via Path.plan-icon — list lines + sparkle + edit tail) -->
+    <StreamGeometry x:Key="Icon.Refine">M3,5 L11,5 M3,9 L9,9 M3,13 L7,13 M19,1.8 L19.7,3.9 L21.7,4.6 L19.7,5.3 L19,7.4 L18.3,5.3 L16.3,4.6 L18.3,3.9 Z M18,10.5 L12.2,16.3 M16.6,9.1 L19.4,11.9 M12.2,16.3 L11,18.5 L13.2,17.5 Z</StreamGeometry>
+
     <!-- Icon.X -->
     <StreamGeometry x:Key="Icon.X">M6 6l12 12M18 6L6 18</StreamGeometry>
 

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

@@ -32,6 +32,9 @@ public sealed partial class TaskRowViewModel : ViewModelBase
     [ObservableProperty] private bool _showListChip = true;
     [ObservableProperty] private bool _parentFinalized;
     [ObservableProperty] private int _roadblockCount;
+    [ObservableProperty] private bool _isRefining;
+
+    public bool CanRefine => Status == TaskStatus.Idle && PlanningPhase == PlanningPhase.None && !IsRefining;
 
     public DateTime CreatedAt { get; init; }
     public string CreatedAtFormatted => CreatedAt == default ? "—" : Loc.T("vm.taskRow.createdPrefix", CreatedAt.ToString("MMM d"));
@@ -125,6 +128,7 @@ public sealed partial class TaskRowViewModel : ViewModelBase
         OnPropertyChanged(nameof(CanOpenPlanningSession));
         OnPropertyChanged(nameof(CanRemoveFromQueue));
         OnPropertyChanged(nameof(CanSendToQueue));
+        OnPropertyChanged(nameof(CanRefine));
     }
 
     partial void OnParentTaskIdChanged(string? value)
@@ -155,8 +159,11 @@ public sealed partial class TaskRowViewModel : ViewModelBase
         OnPropertyChanged(nameof(CanOpenPlanningSession));
         OnPropertyChanged(nameof(CanResumeOrDiscardPlanning));
         OnPropertyChanged(nameof(CanQueuePlan));
+        OnPropertyChanged(nameof(CanRefine));
     }
 
+    partial void OnIsRefiningChanged(bool value) => OnPropertyChanged(nameof(CanRefine));
+
     partial void OnHasQueuedSubtasksChanged(bool value)
     {
         OnPropertyChanged(nameof(CanRemoveFromQueue));

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

@@ -82,6 +82,8 @@ public sealed partial class TasksIslandViewModel : ViewModelBase
             _worker.WorktreeUpdatedEvent   += OnWorkerTaskUpdated;
             _worker.ListUpdatedEvent       += OnWorkerListUpdated;
             _worker.ConnectionRestoredEvent += () => LoadForList(_currentList);
+            _worker.RefineStartedEvent     += OnRefineStarted;
+            _worker.RefineFinishedEvent    += OnRefineFinished;
         }
         Loc.LanguageChanged += (_, _) => RefreshLocalizedText();
     }
@@ -830,6 +832,27 @@ public sealed partial class TasksIslandViewModel : ViewModelBase
         Regroup();
     }
 
+    [RelayCommand]
+    private async Task RefineTask(TaskRowViewModel row)
+    {
+        if (row is null || !row.CanRefine) return;
+        row.IsRefining = true;
+        try { await _worker!.RefineTaskAsync(row.Id); }
+        catch { row.IsRefining = false; }
+    }
+
+    private void OnRefineStarted(string taskId)
+    {
+        var row = Items.FirstOrDefault(r => r.Id == taskId);
+        if (row is not null) row.IsRefining = true;
+    }
+
+    private void OnRefineFinished(string taskId, bool ok, string? error)
+    {
+        var row = Items.FirstOrDefault(r => r.Id == taskId);
+        if (row is not null) row.IsRefining = false;
+    }
+
     partial void OnSelectedTaskChanged(TaskRowViewModel? value)
     {
         foreach (var i in Items) i.IsSelected = ReferenceEquals(i, value);

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

@@ -69,7 +69,7 @@
                       Click="OnClearScheduleClick"/>
           </ContextMenu>
         </Border.ContextMenu>
-        <Grid ColumnDefinitions="0,18,32,*,Auto,32" Margin="6,8,10,8">
+        <Grid ColumnDefinitions="0,18,32,*,Auto,Auto,32" Margin="6,8,10,8">
 
         <!-- Chevron toggle (only for planning parent tasks) -->
         <Button Grid.Column="1"
@@ -194,8 +194,19 @@
           </StackPanel>
         </StackPanel>
 
+        <!-- Refine button -->
+        <Button Grid.Column="5" Classes="icon-btn refine-btn"
+                IsVisible="{Binding CanRefine}"
+                Command="{Binding $parent[ItemsControl].((vm:TasksIslandViewModel)DataContext).RefineTaskCommand}"
+                CommandParameter="{Binding}"
+                ToolTip.Tip="{loc:Tr tasks.refineTip}">
+          <Viewbox Width="16" Height="16">
+            <Path Classes="plan-icon" Data="{StaticResource Icon.Refine}"/>
+          </Viewbox>
+        </Button>
+
         <!-- Star toggle -->
-        <Button Grid.Column="5" Classes="icon-btn star-btn"
+        <Button Grid.Column="6" Classes="icon-btn star-btn"
                 Classes.on="{Binding IsStarred}"
                 VerticalAlignment="Top" Margin="0,2,0,0"
                 Command="{Binding $parent[ItemsControl].((vm:TasksIslandViewModel)DataContext).ToggleStarCommand}"