{"active_sessions":4,"auth_required":true,"endpoints":["GET  /dashboard                  — live leaderboard (HTML)","POST /env/register               {name, starting_cents?, recording_index?}","GET  /env/recordings","POST /env/:id/reset              {recording_index?}","POST /env/:id/step               {orders, cancels, advance_ms}","GET  /env/:id/state","GET  /env/leaderboard"],"name":"MarketMakingBot Replay Environment","recordings":12}