puter.peer.ensureTurnRelays()Fetches TURN relay credentials ahead of time so that peer connections can start faster. This is optional because puter.peer.serve() and puter.peer.connect() call it automatically when needed.
await puter.peer.ensureTurnRelays();
A Promise that resolves when relay details are cached. If relays cannot be loaded, Puter.js will fall back to default ICE servers when connecting.