Function getULForFolder

public/js/folderManager.js:2459–2464

(folder)

   Selection + helpers
----------------------*/
function getULForFolder(folder) {
  if (folder === 'root') return document.getElementById('rootChildren');
  const opt = document.querySelector(`.folder-option[data-folder="${CSS.escape(folder)}"]`);
  const li  = opt ? opt.closest('li[role="treeitem"]') : null;
  return li ? li.querySelector(':scope > ul.folder-tree') : null;
}

function updateFolderActionButtons() {
  const container = document.getElementById('folderTreeContainer');