Function clearTrackedTimer

im/im.ts:111–114

(timer: ReturnType<typeof setTimeout>)

// ==================== Timer tracking for safe cleanup ====================
const pendingTimers = new Set<ReturnType<typeof setTimeout>>();

function trackTimer(timer: ReturnType<typeof setTimeout>): ReturnType<typeof setTimeout> {
  pendingTimers.add(timer);
  timer.unref?.(); // Don't prevent process exit
  return timer;
}