Syeehyn integrated the REMAX advantage estimator into the microsoft/agent-lightning repository by refactoring the trainer to use an asynchronous rollout manager for sequence generation. This work replaced direct calls to actor_rollout_wg.generate_sequences with self.async_rollout_manager.generate_sequences, enabling a more scalable and resilient sequencing pipeline. By leveraging Python and applying principles of reinforcement learning and software engineering, Syeehyn improved throughput and fault isolation in the sequence generation process. The changes laid the foundation for advanced estimator features, demonstrating a thoughtful approach to modular refactoring and asynchronous programming. The depth of the solution addressed both immediate scalability and future extensibility needs.