"use client";

import { useEffect } from "react";

export function SessionLifecycle() {
  useEffect(() => {
    const onPageShow = (event: PageTransitionEvent) => {
      if (event.persisted) window.location.reload();
    };
    window.addEventListener("pageshow", onPageShow);
    const channel = "BroadcastChannel" in window ? new BroadcastChannel("mega-auth") : null;
    if (channel) channel.onmessage = (event) => {
      if (event.data === "logout") window.location.replace(window.location.pathname==="/clock"||window.location.pathname.startsWith("/clock/")?"/clock/login":"/login");
    };
    return () => { window.removeEventListener("pageshow", onPageShow); channel?.close(); };
  }, []);
  return null;
}