feat(ui): surface review actions and WaitingForReview status in task rows

Adds Approve/Reject/Park/Cancel buttons with a feedback flyout, a review
status chip, and a friendly status label for WaitingForReview tasks.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/ClaudeDo.Ui/Converters/StatusColorConverter.cs

@@ -15,6 +15,8 @@ public class StatusColorConverter : IValueConverter
         {
             "queued" => Brushes.DodgerBlue,
             "running" => Brushes.Orange,
+            "waitingforreview" => Brushes.MediumPurple,
+            "waiting_for_review" => Brushes.MediumPurple,
             "done" => Brushes.Green,
             "failed" => Brushes.Red,
             "manual" => Brushes.Gray,