The dashboard task-edit route destructured every editable body field
except priority, so changing priority via the task-detail modal was
silently dropped before reaching store.updateTask. Wire priority
through with isTaskPriority validation (null resets to default).
Without this fix the priority-aware triage/scheduler/merge ordering
shipped previously had no effect for tasks edited in the dashboard.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
