feat: add folder button to transcript modal

frontend/app.js

@@ -8,6 +8,7 @@ const logoutBtn = document.getElementById('logout-btn');
 const modal = document.getElementById('modal');
 const modalTitle = document.getElementById('modal-title');
 const modalBody = document.getElementById('modal-body');
+const modalFolderBtn = document.getElementById('modal-folder-btn');
 const modalOpenBtn = document.getElementById('modal-open-btn');
 const modalCloseBtn = document.getElementById('modal-close-btn');
 let _modalPath = null;
@@ -73,6 +74,9 @@ function closeModal() {
 modalCloseBtn.addEventListener('click', closeModal);
 modal.querySelector('.modal-backdrop').addEventListener('click', closeModal);
 document.addEventListener('keydown', e => { if (e.key === 'Escape') closeModal(); });
+modalFolderBtn.addEventListener('click', () => {
+  if (_modalPath) apiFetch('/open', { method: 'POST', body: JSON.stringify({ path: _modalPath, folder: true }) });
+});
 modalOpenBtn.addEventListener('click', () => {
   if (_modalPath) apiFetch('/open', { method: 'POST', body: JSON.stringify({ path: _modalPath }) });
 });