# Observability app shell with grouped sidebar, pinned pages with Undo and nav search

> Monitoring console layout on the shadcn Sidebar: workspace switcher, a Cmd+F nav filter, pinnable pages with Undo, one breadcrumb header and one skeleton card grid as every page body. Card, Empty, Sidebar. For APM and tracing apps.

A paid shadcn/ui block sold by the [@reui](https://reui.io/?utm_source=shadcn.exchange) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/reui/app-shell-36).

- Page, with a preview: https://shadcn.exchange/r/reui/app-shell-36
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/reui/app-shell-36-light-e9a86d7b6ba488b8.png
- Listed: 2026-10-22

## Buy and install

@reui sells this block, and its code is not on shadcn.exchange. Buy it from the registry, which installs it for those who have: https://shadcn.exchange/out/reui/app-shell-36

## Dependencies

- npm packages: `@headless-tree/core`, `@headless-tree/react`, `cn`, `next-themes`, `sonner`
- Registry items: `@reui/badge`, `@reui/icon-tile`, `@reui/tree`, `avatar`, `breadcrumb`, `button`, `card`, `dropdown-menu`, `empty`, `input-group`, `kbd`, `separator`, `sheet`, `sidebar`, `skeleton`, `toggle`, `tooltip`