reui/auth-16
Single-column sign-in: app header with create-workspace link, centered Google, GitHub, and SSO buttons over one work-email Continue field, plus a footer customer logo wall. shadcn Button, Field, Input, Separator. Login, social auth, SaaS onboarding.
npx get-ui-cli add reui/auth-16Paid component: its registry needs a licence from the library, so install it from their site.