Function clamp

web/src/components/Playground.tsx:97–98

(v: number, lo: number, hi: number)

const nl = (s: string) => s.replace(/\r?\n/g, "\r\n");

const clamp = (v: number, lo: number, hi: number) =>
  Math.max(lo, Math.min(hi, v));

// Stable empty-array default so the prop reference doesn't change each render.
const NO_PACKAGES: string[] = [];