Mini icon-rail sidebar app shell with per-section secondary nav and a tabbed workspace toolbar

reui/app-shell-14

Three-region workspace shell: icon rail, a toggleable secondary nav that swaps per section, and a toolbar with List, Kanban, Calendar, Dashboard tabs plus Sort, View, Filter, Search. ReUI Badge, shadcn Sidebar, Tabs, DropdownMenu, Avatar.

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