discourse-admin-ui
Use when creating, modifying, or reviewing Discourse admin interfaces in core or plugins. Covers admin sidebar navigation, config pages, route/templates, DPageHeader breadcrumbs/tabs/actions, DPageSubheader, AdminConfigAreaCard, help insets, d-table responsive tables, empty states, third-level new/edit routes, filtered site setting pages, plugin admin UIs, translations, accessibility, and current in-repo examples.