fix(ui): hide misleading Idle chip on planning parents

A planning parent stays Status=Idle while its session is Active (or
Finalized-but-not-queued), so the lifecycle chip read "Idle"/"Parked"
next to the PLANNING/PLANNED badge. Hide the chip in that case; the badge
already conveys the state.

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

@@ -128,6 +128,11 @@ public sealed partial class TaskRowViewModel : ViewModelBase
         _                           => Status.ToString(),
     };
 
+    // A planning parent that is still Idle (Active planning, or Finalized-but-not-yet-queued)
+    // already shows its state via the PLANNING/PLANNED badge next to the title. The lifecycle
+    // chip would read "Idle" (or "Parked"), which is misleading, so hide it in that case.
+    public bool ShowStatusChip => !(PlanningPhase != PlanningPhase.None && Status == TaskStatus.Idle);
+
     public string StatusChipClass => (Status, IsBlocked: !string.IsNullOrEmpty(BlockedByTaskId)) switch
     {
         (TaskStatus.Running,            _) => "running",
@@ -144,6 +149,7 @@ public sealed partial class TaskRowViewModel : ViewModelBase
     {
         OnPropertyChanged(nameof(StatusChipClass));
         OnPropertyChanged(nameof(StatusLabel));
+        OnPropertyChanged(nameof(ShowStatusChip));
         OnPropertyChanged(nameof(IsRunning));
         OnPropertyChanged(nameof(IsWaitingForReview));
         OnPropertyChanged(nameof(CanPickUpInTerminal));
@@ -189,6 +195,7 @@ public sealed partial class TaskRowViewModel : ViewModelBase
     {
         OnPropertyChanged(nameof(IsPlanningParent));
         OnPropertyChanged(nameof(PlanningBadge));
+        OnPropertyChanged(nameof(ShowStatusChip));
         OnPropertyChanged(nameof(IsPlanActive));
         OnPropertyChanged(nameof(IsPlanFinalized));
         OnPropertyChanged(nameof(CanOpenPlanningSession));

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

@@ -156,6 +156,7 @@
 
             <!-- Status chip -->
             <Border Classes="chip"
+                    IsVisible="{Binding ShowStatusChip}"
                     Classes.parked="{Binding IsParked}"
                     Classes.running="{Binding Status, Converter={StaticResource EqStatus}, ConverterParameter=Running}"
                     Classes.review="{Binding Status, Converter={StaticResource EqStatus}, ConverterParameter=WaitingForReview}"