pvs_chat/js/sidebar.js

document.addEventListener("DOMContentLoaded", function () {
  // 处理关闭按钮点击事件
  document
    .getElementById("close-sidebar")
    .addEventListener("click", function () {
      // 通知content script关闭侧边栏
      window.parent.postMessage({ action: "closeSidebar" }, "*");
    });
});