//! Realtime stream modules.
//!
//! - `client`: websocket transport, send queue, and reconnect handling.
//! - `proto`: protocol messages shared with the stream service.
//! - `session`: higher-level typed event stream with position tracking and
//! SDK-enforced deadline timers.
/// Websocket connection and command sender.
/// Stream protocol messages.
/// Session wrapper that tracks positions and emits typed events.
/// TLS certificate pinning for stream connections.
pub