Method execute

core/src/agents.rs:237–248

(&self, message: AgentMessage)

    }

    async fn execute(&self, message: AgentMessage) -> GraphBitResult<serde_json::Value> {
        let request = self.build_llm_request(&message);

        let response = self.llm_provider.complete(request).await?;

        // Try to parse response as JSON, fallback to string
        if let Ok(json_value) = serde_json::from_str::<serde_json::Value>(&response.content) {
            Ok(json_value)
        } else {
            Ok(serde_json::Value::String(response.content))
        }
    }

    async fn validate_output(&self, output: &str, schema: &serde_json::Value) -> ValidationResult {
        self.validator.validate_against_schema(output, schema)