spb/market-atlas

1# bitfinex-ws23Bitfinex public WebSocket v2 (`wss://api-pub.bitfinex.com/ws/2`), `ticker` channel.45- **Type**: WEBSOCKET · **Rights**: PUBLIC_ATTRIBUTED · **Real-time**: REALTIME (no per-frame timestamp → CONNECTOR trust)6- **Frames**: `[chanId, [BID, BID_SIZE, ASK, ASK_SIZE, DAILY_CHANGE, DAILY_CHANGE_REL, LAST, VOLUME, HIGH, LOW]]`; `hb` heartbeats ignored. The `subscribed` event maps `chanId → symbol` (kept per connection).7- **Pairs**: USD & USDT (`UST`) crypto majors, BTC/EUR, EUR/USDT (STABLECOIN_PROXY; Bitfinex has no fiat/fiat spot markets). Symbols longer than 3 letters use the `t<BASE>:<QUOTE>` form (e.g. `tDOGE:USD`).8