Function nextCronRunMs

src/utils/cronTasks.ts:320–325

(cron: string, fromMs: number)

 * Returns null if invalid or no match in the next 366 days.
 */
export function nextCronRunMs(cron: string, fromMs: number): number | null {
  const fields = parseCronExpression(cron)
  if (!fields) return null
  const next = computeNextCronRun(fields, new Date(fromMs))
  return next ? next.getTime() : null
}

/**
 * Cron scheduler tuning knobs. Sourced at runtime from the