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/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}"