Function calcThroughput

demo/App.tsx:181–184

(chunkSize: number, intervalMs: number)

const DEFAULT_PRESET = "normal";

function calcThroughput(chunkSize: number, intervalMs: number): number {
  if (intervalMs <= 0) return 0;
  return Math.round((chunkSize / intervalMs) * 1000);
}

interface Message {
  id: string;