Method call

crates/libsy/src/core/algorithm.rs:909–923

(
            &self,
            _ctx: Context,
            _request: Request,
            decision: Arc<dyn Decision>,
        )

    #[async_trait]
    impl RoutedLlmClient for EchoClient {
        async fn call(
            &self,
            _ctx: Context,
            _request: Request,
            decision: Arc<dyn Decision>,
        ) -> std::result::Result<Response, LlmClientError> {
            // Echo back the model the algorithm routed to (the decision's selection).
            Ok(Response {
                llm_response: LlmResponse::Agg(text_response(
                    None,
                    decision.selected_model().to_string(),
                )),
                metadata: None,
            })
        }
    }

    /// Trivial decision + algo used only to exercise the orchestrator: calls the