SG Hider

// ==UserScript==
// @name         4chan Starlight Glimmer Hider
// @namespace    http://example.com/
// @version      0.2
// @match        *://boards.4chan.org/*/*
// @grant        none
// ==/UserScript==
(function(){
  'use strict';
  // CSS selector matching the Starlight Glimmer flag element
  const FLAG_SELECTOR = '.postContainer .bfl.bfl-stl[title="Starlight Glimmer"]';

  // Hide any postContainer that contains the flag
  function hidePosts(root) {
    root.querySelectorAll(FLAG_SELECTOR).forEach(flag => {
      const post = flag.closest('.postContainer');
      if (post) post.style.display = 'none';
    });
  }

  // Run on initial load
  hidePosts(document);

  // Observe for new posts loaded dynamically
  new MutationObserver(muts => {
    muts.forEach(m => {
      m.addedNodes.forEach(node => {
        if (node.nodeType === 1) hidePosts(node);
      });
    });
  }).observe(document.body, { childList: true, subtree: true });
})();