Function stopSessionActivity

src/utils/sessionActivity.ts:121–133

(reason: SessionActivityReason)

 * and start an idle timer that logs after 30s of inactivity.
 */
export function stopSessionActivity(reason: SessionActivityReason): void {
  if (refcount > 0) {
    refcount--
  }
  const n = (activeReasons.get(reason) ?? 0) - 1
  if (n > 0) activeReasons.set(reason, n)
  else activeReasons.delete(reason)
  if (refcount === 0 && heartbeatTimer !== null) {
    clearInterval(heartbeatTimer)
    heartbeatTimer = null
    startIdleTimer()
  }
}