Module handler 

Core request handler — protocol logic layer.

RequestHandler wires together the executor, stores, push sender, interceptors, and event queue manager to implement all A2A v1.0 methods.

Module overview

Module	Contents
limits	HandlerLimits — configurable per-handler bounds
messaging	RequestHandler::on_send_message — send/stream entry point
lifecycle	Get, list, cancel, resubscribe, extended agent card
push_config	Push notification config CRUD
event_processing	Event collection, state transitions, push delivery
shutdown	Graceful shutdown with optional timeout

Structs

HandlerLimits

Configurable limits for the request handler.

RequestHandler

The core protocol logic handler.

Enums

SendMessageResponse

The result of a SendMessage call: either a completed Task or an immediate Message response.

SendMessageResult

Result of RequestHandler::on_send_message.