a3s-ahp 2.4.0

Agent Harness Protocol v2.4 — Universal, transport-agnostic protocol for supervising autonomous AI agents
Documentation 
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use serde::{Deserialize, Serialize};

/// JSON-RPC 2.0 request.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AhpRequest {
    pub jsonrpc: String,
    pub id: String,
    pub method: String,
    pub params: serde_json::Value,
}

/// JSON-RPC 2.0 response.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AhpResponse {
    pub jsonrpc: String,
    pub id: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub result: Option<serde_json::Value>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub error: Option<AhpErrorObject>,
}

/// JSON-RPC 2.0 notification with no id and no response expected.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AhpNotification {
    pub jsonrpc: String,
    pub method: String,
    pub params: serde_json::Value,
}

/// JSON-RPC 2.0 error object.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AhpErrorObject {
    pub code: i32,
    pub message: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub data: Option<serde_json::Value>,
}

impl AhpRequest {
    pub fn new(method: impl Into<String>, params: serde_json::Value) -> Self {
        Self {
            jsonrpc: "2.0".to_string(),
            id: uuid::Uuid::new_v4().to_string(),
            method: method.into(),
            params,
        }
    }
}

impl AhpNotification {
    pub fn new(method: impl Into<String>, params: serde_json::Value) -> Self {
        Self {
            jsonrpc: "2.0".to_string(),
            method: method.into(),
            params,
        }
    }
}

impl AhpResponse {
    pub fn success(id: impl Into<String>, result: serde_json::Value) -> Self {
        Self {
            jsonrpc: "2.0".to_string(),
            id: id.into(),
            result: Some(result),
            error: None,
        }
    }

    pub fn error(id: impl Into<String>, code: i32, message: impl Into<String>) -> Self {
        Self {
            jsonrpc: "2.0".to_string(),
            id: id.into(),
            result: None,
            error: Some(AhpErrorObject {
                code,
                message: message.into(),
                data: None,
            }),
        }
    }
}