m365-copilot-chat-incident-preventer.user.js

// ==UserScript==
// @name        M365 Copilot for Work Incident Preventer
// @namespace   https://gist.github.com/niikoo
// @match       https://m365.cloud.microsoft/chat*
// @grant       none
// @version     1.2
// @author      niikoo
// @icon        https://icons.duckduckgo.com/ip2/m365.cloud.microsoft.ico
// @description Prevent accidentally navigating away from a M365 Copilot for Work chat
// @supportURL  https://gist.github.com/niikoo/00120afe78f25d0e1f8a1f1e952c4648
// @downloadURL https://gist.github.com/niikoo/00120afe78f25d0e1f8a1f1e952c4648/raw/m365-copilot-chat-incident-preventer.user.js
// ==/UserScript==

(function() {
  window.addEventListener('load', function() {
    console.log('Adding unload dialog');
    setInterval(() => {
      window.onbeforeunload = () => false;
    }, 1000);
  });
 })();