Adds its 4 files to components/ui/, each with its own stylesheet, and installs their packages. Pro installs with your access token, set up once per project. See Pro access. The first part also adds Caliper UI’s tokens; import them once as in Installation.
It exposes status semantics, with aria-label, aria-hidden, aria-current and aria-pressed kept in step with state. Changes that matter are announced through a live region.
No custom key handling; Tab and the native activation keys do the work.
It declares no animation in its component source. Any transition comes from its stylesheet, which uses the duration tokens that collapse to instant under prefers-reduced-motion.