async function getIceServers() {
	  try {
	    // Updated for Cloudflare Pages Functions path
	    const res = await fetch('/.pages/functions/get-turn-credentials');
	    if (!res.ok) throw new Error('Bad response: ' + res.status);
	    const data = await res.json();
	    if (data.iceServers && data.iceServers.length) return data.iceServers;
	    throw new Error('No iceServers in response');
	  } catch (err) {
	    console.warn('Falling back to STUN‑only ICE servers:', err);
	    return FALLBACK_ICE_SERVERS;
	  }
	}