{#snippet drillLevel(
frames: Array<{ frame: SidebarDrillFrame; folder: SidebarItemModel | null }>,
depth: number,
)}
{@const current = frames[depth]}
{@const isLast = depth === frames.length - 1}
{@const nextKey = isLast ? null : frames[depth + 1].frame.key}
{@const folder = current.folder}
{/snippet}