//! 工具系统 —— 工具抽象、注册、调用、权限控制与 MCP 集成。

pub mod base;
pub mod error;
pub mod mcp;
pub mod permission;
pub mod registry;

pub use base::{BaseTool, ToolContext, ToolRef};
pub use error::ToolError;
pub use mcp::{McpClient, McpTransport};
pub use permission::{Permission, PermissionChecker, PermissionConfig};
pub use registry::{ToolInvocation, ToolRegistry};