Module builder 

Fluent builder for A2aClient.

Module structure

Module	Responsibility
(this file)	Builder struct, configuration setters, card-based construction
transport_factory	build() / build_grpc() — transport assembly and validation

Example

use a2a_protocol_client::{ClientBuilder, CredentialsStore};
use a2a_protocol_client::auth::{AuthInterceptor, InMemoryCredentialsStore, SessionId};
use std::sync::Arc;

let store = Arc::new(InMemoryCredentialsStore::new());
let session = SessionId::new("my-session");
store.set(session.clone(), "bearer", "token".into());

let client = ClientBuilder::new("http://localhost:8080")
    .with_interceptor(AuthInterceptor::new(store, session))
    .build()?;

Structs

ClientBuilder

Builder for A2aClient.