A four-state streamgraph whose bands stack on a wiggle-minimising baseline — inside-out ordering, overshoot-free monotone curves, a per-column readout and an sr-only series-by-tick table.
npx shadcn@latest add @zyeon/chart-streamZyeon UI limits how often it can be asked, and Streamgraph hasn't had its turn. Its source will show here once it has.