//! Onion-routed networking through the Session service node network.
//!
//! Provides QUIC-based transport, 3-hop onion request routing, service node pool
//! management, request queuing with retry logic, and backend support for file
//! servers and open group (community) servers.
/// Typed key wrappers for Ed25519 and X25519 keys used in networking.
/// Service node (snode) representation and parsing.
/// Swarm ID computation and closest-swarm lookup.
/// Full network configuration: network ID, routing, transport, caching, and QUIC options.
/// Network types: errors, requests, responses, destinations, and callbacks.
/// Service node pool management with caching and refresh logic.
/// Request scheduling, queuing, and retry logic.
/// Onion request construction, parsing, and response decryption.
/// Transport layer implementations.
/// Request routing: onion request and direct routers.
/// Backend server types: file server and open group server.