Full-page sign-in surface. Email + password + remember-me form, forgot-password and sign-up links, optional GitHub/Google OAuth row. Emits `submit` with the form payload and `oauth` with the chosen provider; consumer wires the actual auth call. Link targets are configurable via props.
npx shadcn@latest add https://uipkge.dev/r/react/auth-sign-in.jsonauth-sign-in