use async_trait::async_trait;
use serde_json::Value;
use crate::types::ApprovalRequest;
use super::{ToolContext, ToolOutput};
#[async_trait]
pub trait ToolPolicy: Send + Sync {
fn evaluate_approval(
&self,
tool_name: &str,
args: &Value,
args_json: &str,
) -> Option<ApprovalRequest>;
fn on_pre_call(&self, tool_name: &str, args: &Value, ctx: &ToolContext);
fn on_post_call(&self, tool_name: &str, args: &Value, result: &ToolOutput, ctx: &ToolContext);
}