Public lobby board + spectate. Racing requires the local client with HF login (for identity / analytics).
Spectate (no HF account): click Spectate on a live lobby.
In spectate: ← → switch player · Esc back. Read-only camera — no driving.
Play: local HF Racing only (bash start.sh + HF_TOKEN).
Sandbox: solo test drive. MVP: starts after 30s with the same ≥3 players (timer resets on join/leave).
Space: https://1024m-hf-racing.hf.space