Function openMoveFolderUI

public/js/folderManager.js:3978–3993

(sourceFolder, mode = 'move')

   Move (modal) + Color carry + State migration as well
----------------------*/
export function openMoveFolderUI(sourceFolder, mode = 'move') {
  detachFolderModalsToBody();
  const modal = document.getElementById('moveFolderModal');
  if (sourceFolder && sourceFolder !== 'root') window.currentFolder = sourceFolder;
  if (modal) {
    modal.dataset.mode = (mode === 'copy') ? 'copy' : 'move';
    const titleEl = modal.querySelector('h4');
    const msgEl = modal.querySelector('p');
    const confirmBtn = document.getElementById('confirmMoveFolder');
    if (titleEl) titleEl.textContent = (mode === 'copy') ? t('copy_folder_title') : t('move_folder_title');
    if (msgEl) msgEl.textContent = (mode === 'copy') ? t('copy_folder_message') : t('move_folder_message');
    if (confirmBtn) confirmBtn.textContent = (mode === 'copy') ? t('copy') : t('move');
  }
  initMoveFolderSourceSelect(sourceFolder);
  if (modal) modal.style.display = 'block';
}

document.addEventListener("DOMContentLoaded", () => {
  const moveBtn = document.getElementById('moveFolderBtn');