Chat surfaces: prompt composers with model pickers, streaming message threads with tool calls, and full chat screens.
3 blocks, live at full size, install from here
01 / 03|Auto-grow textarea · attachments · model picker
Chat composer with an auto-growing textarea, Enter to send, attachments, a model picker, and a Stop button while streaming. Ships composable parts.
npx shadcn@latest add https://hirael.com/r/prompt-input.json02 / 03|Sticks to bottom · tool calls · streaming cursor
Message list that follows streaming output, with tool calls, reasoning, sources, hover actions, typing dots, and a streaming cursor. Ships composable parts.
npx shadcn@latest add https://hirael.com/r/message-thread.json03 / 03|History sidebar · streaming replies · Stop cancels
Full chat screen: grouped history sidebar that collapses to a sheet, top bar with model badge, streaming thread, and pinned composer. Ships composable parts.
npx shadcn@latest add https://hirael.com/r/ai-chat-01.json