systemprompt-agent 0.57.0

Agent-to-Agent (A2A) protocol for systemprompt.io AI governance: streaming, JSON-RPC models, task lifecycle, .well-known discovery, and governed agent orchestration.
Documentation 
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//! A2A JSON-RPC protocol types.
//!
//! Agent cards, tasks, messages, artifacts, and request/response envelopes.
//! Core shapes are re-exported from `systemprompt_models`; this module adds the
//! JSON-RPC framing and the request parameter types specific to the agent
//! crate.
//!
//! Copyright (c) systemprompt.io — Business Source License 1.1.
//! See <https://systemprompt.io> for licensing details.

pub mod jsonrpc;
pub mod protocol;

pub use systemprompt_models::a2a::{
    AgentCapabilities, AgentCard, AgentCardBuilder, AgentCardSignature, AgentExtension,
    AgentInterface, AgentProvider, AgentSkill, ApiKeyLocation, Artifact, ArtifactMetadata,
    DataPart, FileContent, FilePart, McpServerMetadata, McpToolsParams, Message, MessageMetadata,
    MessageRole, OAuth2Flow, OAuth2Flows, Part, SecurityScheme, Task, TaskState, TaskStatus,
    TextPart, TransportProtocol,
};

pub use protocol::{
    A2aJsonRpcRequest, A2aParseError, A2aRequest, A2aRequestParams, A2aResponse, MessageSendParams,
    TaskIdParams, TaskQueryParams,
};