kazam 1.24.0

Local infrastructure for coding agents: context, visibility, durable execution. One Rust binary, no cloud.
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use serde::{Deserialize, Serialize};

#[derive(Deserialize)]
pub struct JsonRpcRequest {
    #[allow(dead_code)]
    pub jsonrpc: String,
    pub id: Option<serde_json::Value>,
    pub method: String,
    pub params: Option<serde_json::Value>,
}

#[derive(Serialize)]
pub struct JsonRpcResponse {
    pub jsonrpc: String,
    pub id: Option<serde_json::Value>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub result: Option<serde_json::Value>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub error: Option<JsonRpcError>,
}

impl JsonRpcResponse {
    pub fn ok(id: Option<serde_json::Value>, result: serde_json::Value) -> Self {
        JsonRpcResponse {
            jsonrpc: "2.0".into(),
            id,
            result: Some(result),
            error: None,
        }
    }

    pub fn err(id: Option<serde_json::Value>, code: i64, message: impl Into<String>) -> Self {
        JsonRpcResponse {
            jsonrpc: "2.0".into(),
            id,
            result: None,
            error: Some(JsonRpcError {
                code,
                message: message.into(),
            }),
        }
    }
}

#[derive(Serialize)]
pub struct JsonRpcError {
    pub code: i64,
    pub message: String,
}

#[derive(Serialize, Clone)]
pub struct Tool {
    pub name: String,
    pub description: String,
    #[serde(rename = "inputSchema")]
    pub input_schema: serde_json::Value,
}

#[derive(Serialize)]
pub struct ToolResult {
    pub content: Vec<ToolContent>,
    #[serde(rename = "isError", skip_serializing_if = "Option::is_none")]
    pub is_error: Option<bool>,
}

impl ToolResult {
    pub fn text(text: impl Into<String>) -> Self {
        ToolResult {
            content: vec![ToolContent {
                content_type: "text".into(),
                text: text.into(),
            }],
            is_error: None,
        }
    }

    pub fn error(text: impl Into<String>) -> Self {
        ToolResult {
            content: vec![ToolContent {
                content_type: "text".into(),
                text: text.into(),
            }],
            is_error: Some(true),
        }
    }
}

#[derive(Serialize)]
pub struct ToolContent {
    #[serde(rename = "type")]
    pub content_type: String,
    pub text: String,
}