Merge claudedo/8c1c213004574c4fad6beb75b84b70d7

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

@@ -191,8 +191,24 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase, IDisposable
 
     [ObservableProperty]
     [NotifyCanExecuteChangedFor(nameof(ContinueCommand))]
+    [NotifyPropertyChangedFor(nameof(CanReplyToRoadblock))]
+    [NotifyCanExecuteChangedFor(nameof(SendRoadblockReplyCommand))]
     private string? _latestRunSessionId;
 
+    // A resumable session to reply to a reported roadblock with (via ContinueAsync's
+    // transport). Distinct from ContinueCommand: that one is Failed/Cancelled-only and
+    // reruns with a fixed prompt, this one answers a roadblock reported on any terminal
+    // state (see ShowRoadblockCard) with the user's own text.
+    [ObservableProperty]
+    [NotifyCanExecuteChangedFor(nameof(SendRoadblockReplyCommand))]
+    private string _roadblockReplyDraft = string.Empty;
+
+    public bool CanReplyToRoadblock => !string.IsNullOrEmpty(LatestRunSessionId);
+
+    // Surfaces a UI-originated failure (e.g. override slot busy) to the shell's footer
+    // error strip — mirrors TasksIslandViewModel.ErrorReported.
+    public event Action<string>? ErrorReported;
+
     [ObservableProperty] private string? _model;
 
     [ObservableProperty] private string? _worktreePath;
@@ -333,6 +349,7 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase, IDisposable
                 DequeueCommand.NotifyCanExecuteChanged();
                 ResetAndRetryCommand.NotifyCanExecuteChanged();
                 ContinueCommand.NotifyCanExecuteChanged();
+                SendRoadblockReplyCommand.NotifyCanExecuteChanged();
             }
         };
         _worker.PropertyChanged += _workerPropertyChangedHandler;
@@ -524,6 +541,7 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase, IDisposable
         Task = row;
         OnPropertyChanged(nameof(TaskIdBadge));
         Monitor.Reset();
+        RoadblockReplyDraft = string.Empty;
         Subtasks.Clear();
         ChildOutcomes.Clear();
         Attachments.Clear();
@@ -1025,6 +1043,26 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase, IDisposable
     private bool CanContinue() =>
         Task != null && _worker.IsConnected && ShowContinue && !string.IsNullOrEmpty(LatestRunSessionId);
 
+    [RelayCommand(CanExecute = nameof(CanSendRoadblockReply))]
+    private async System.Threading.Tasks.Task SendRoadblockReplyAsync()
+    {
+        if (Task == null) return;
+        var text = RoadblockReplyDraft;
+        if (string.IsNullOrWhiteSpace(text)) return;
+        try
+        {
+            await _worker.ContinueTaskAsync(Task.Id, text);
+            RoadblockReplyDraft = string.Empty;
+        }
+        catch (Exception ex)
+        {
+            ErrorReported?.Invoke(Loc.T("details.roadblockReply.failed", ex.Message));
+        }
+    }
+
+    private bool CanSendRoadblockReply() =>
+        Task != null && _worker.IsConnected && CanReplyToRoadblock && !string.IsNullOrWhiteSpace(RoadblockReplyDraft);
+
     [RelayCommand(CanExecute = nameof(CanResetAndRetry))]
     private async System.Threading.Tasks.Task ResetAndRetryAsync()
     {

src/ClaudeDo.Ui/ViewModels/IslandsShellViewModel.cs

@@ -256,6 +256,7 @@ public sealed partial class IslandsShellViewModel : ViewModelBase, IDisposable
             if (Lists.SelectedList is { } row)
                 Lists.LetClaudeHandleListCommand.Execute(row);
         };
+        Details.ErrorReported += FlashFooterError;
         Details.CloseDetail = () => Tasks.SelectedTask = null;
         Details.DeleteFromList = row =>
         {