Header-grade profile/account dropdown. Slot-trigger DropdownMenu the consumer wraps around their own avatar button (default trigger ships an Avatar fallback). Sections: upgrade, account/billing/notifications/settings, log out. Emits `select` with the chosen item key so consumers wire navigation and auth themselves.
npx shadcn@latest add https://uipkge.dev/r/react/profile-menu.jsonprofile-menu