Whiteboard app shell with a fixed icon rail, centered board view tabs and editing-now avatars
Whiteboard workspace layout: an icon rail that becomes a left sheet below md, and 4 board views that fold into a bottom drawer below lg. Share, Export and a board menu with a Delete Board confirm. shadcn Sidebar, Drawer, Tabs, AlertDialog.
Paid block
@reui sells this block. Visit the registry directly to buy and install it.
