UserScript to set model selection query parameters in Kagi Quick Answer Assistant link

kagi-quick-answer-assistant.user.js

// ==UserScript==
// @name        kagi-quick-answer-assistant.user.js
// @match       https://kagi.com/search*
// @author      andelink
// @namespace   andelink
// @description append model selection query parameters to kagi quick answer assistant link
// @run-at      document-end
// @version     0.1
// @homepageURL https://gist.github.com/andelink/3425e3e4d1df2f3c5f05e95fd79cd3e1
// @downloadURL https://gist.github.com/andelink/3425e3e4d1df2f3c5f05e95fd79cd3e1/raw/kagi-quick-answer-assistant.user.js
// ==/UserScript==

// Optionally specify an assistant to use e.g. a base profile like o4-mini or a custom assistant uuid.
// Left blank it uses the default assistant configured at https://kagi.com/settings/assistant
const profile = "";

function updateLink(event) {
  let lens = document.querySelector('.filter-item .--active span')?.textContent.trim().toLocaleLowerCase();
  let link = event.currentTarget;
  let url = URL.parse(link.href);

  console.log(`Original link: ${link.href}`);

  // See: https://help.kagi.com/kagi/ai/assistant.html#url-parameters
  if (true) {
    url.searchParams.set('internet', true);
  }
  if (profile) {
    url.searchParams.set('profile', profile);
  }
  if (lens) {
    url.searchParams.set('lens', encodeURIComponent(lens));
  }

  link.href = url.href;
  console.log(`Updated link: ${link.href}`);
}

(function () {
  let link = document.querySelector('.results_summary_text_box > [class*="summary_link"] a');
  link.addEventListener('pointerenter', updateLink, { once: true });
  link.addEventListener('focus', updateLink, { once: true });
})();