//! HTTP server implementation of the A2A (agent-to-agent) protocol.
//!
//! Hosts the JSON-RPC endpoint and agent-card discovery via [`Server`] (or the
//! [`run_standalone`] entry point), with submodules for authentication
//! ([`auth`]), error envelopes ([`errors`]), request [`handlers`], and the
//! streaming and processing pipelines.
pub use AgentHandlerState;
pub use Server;
pub use run_standalone;
pub use AgentConfig;