During April 2025, Yifan Chen enhanced the DUNE/larnd-sim repository by delivering a Detector Simulation Step Size Alignment feature. This work involved updating the simulation’s response configuration and implementing dynamic calculation of the MIN_STEP_SIZE parameter from detector properties, ensuring alignment with response data binning. Using Python and YAML for configuration management and physics simulation, Yifan’s approach improved simulation fidelity and reproducibility, supporting more reliable downstream physics analyses. The solution demonstrated thoughtful use of configuration-driven parameterization and robust version control practices. While the work focused on a single feature, it addressed a nuanced aspect of detector simulation with technical depth.