Per-request phase bars — queue, TTFT, generation and tool time on one shared scale, with a floor that keeps sub-pixel phases visible, a legend that ranks the runs by a phase, and a p50/p95 footer that names the population it came from.
npx shadcn@latest add @zyeon/latency-breakdownZyeon UI limits how often it can be asked, and Latency Breakdown hasn't had its turn. Its source will show here once it has.