Full-page notification center: unread badge, mark-all-read, All/Unread/Mentions tabs with functional filtering, day-grouped rows (Today / Earlier) pairing category icon tiles with titles, bodies, relative timestamps, unread dots and hover actions (mark read, dismiss). Per-tab empty states included; swap `notifications` for your source.
npx shadcn@latest add https://uipkge.dev/r/react/notification-center.jsonnotification-center