ListColumn
Head (title + Search + Filters) over a scrolling List; first group collapsible uncontrolled (defaultOpen), second controlled via open/onOpenChange — chevron rotates with the trigger's data-open state
Head (title + Search + Filters) over a scrolling List; first group collapsible uncontrolled (defaultOpen), second controlled via open/onOpenChange — chevron rotates with the trigger's data-open state