// Carrega áudio autenticado e converte para blob URL
async function loadAuthAudio(audioEl, path) {
  if (!path || path === 'null' || path === 'undefined') return;
  const token = localStorage.getItem('ep_token');
  if (!token) return;
  try {
    const url = '/api/recordings/audio/' + path;
    const r = await fetch(url, { headers: { Authorization: 'Bearer ' + token } });
    if (!r.ok) { console.error('Audio fetch failed:', r.status, url); return; }
    const blob = await r.blob();
    audioEl.src = URL.createObjectURL(blob);
  } catch(e) { console.error('Audio load error:', e); }
}

// Inicializa todos os audio elements com data-auth-src
async function initAuthAudios() {
  const els = document.querySelectorAll('audio[data-auth-src]');
  for (const el of els) {
    await loadAuthAudio(el, el.dataset.authSrc);
  }
}