assistant-ui Primitives Always consult assistant-ui.com/llms.txt for the latest API. Primitives are composable, unstyled components that follow Radix style part composition: a provides context, children read it, and every part accepts to merge its behavior onto your own element instead of rendering a wrapper. They ship with no styles and no opinions about layout, only behavior: keyboard shortcuts, auto scroll, streaming state, focus management, and disabled logic. Wrap your tree in (or a nested ) before using any of them. References - ./references/thread.md -- ThreadPrimitive: viewport, auto…