Unified async Rust API for 47 exchange connectors (REST + WebSocket). The core layer — pure ExchangeHub + connectors. Higher-level builder, persistence, replay, OB tracker live in `digdigdig3-station`.
//! Bybit liquidation probe — kept for future debugging. Temporarily empty.
//! Use: cargo run --example bybit_liq_probe --release
fnmain(){println!("bybit_liq_probe: see source for usage. Currently a stub.");}