Module a2a 

A2A v0.3 protocol envelope types.

Structs

ArtifactInfo

Metadata for an artifact produced by a task — a file the agent wrote to a known path so callers can read it byte-by-byte instead of re-typing the content through another LLM (issue #715 Part B).

JsonRpcError

JsonRpcRequest

JsonRpcResponse

Message

Task

TaskError

Enums

MessagePart

TaskState