Module error 

Transport-neutral error type shared across the crate.

Structs

ErrorInfo

Structured protocol error detail modeled after google.rpc.ErrorInfo.

ProblemDetails

Structured HTTP error payload using RFC 9457-style problem details.

Enums

A2AError

Unified error type for A2A protocol, HTTP, and serialization failures.

Constants

ERROR_INFO_DOMAIN

Domain used for SDK-generated structured error details.

ERROR_INFO_TYPE_URL

Type URL used for structured ErrorInfo entries.