Collapsible icon-rail sidebar app shell with workspace switcher, nested nav, and user menu

reui/app-shell-1

Dashboard app shell with an icon-collapsible sidebar: workspace switcher, nested platform nav with count badges, pinned resources with row action menus, theme toggle, breadcrumb header. ReUI Badge, shadcn Sidebar, DropdownMenu, Avatar, Breadcrumb.

Paid component: its registry needs a licence from the library, so install it from their site.