Worked on the basetenlabs/truss repository to enhance the configuration file loading experience, focusing on reducing user misconfiguration and improving onboarding. Developed a feature in Python that provides explicit feedback when a .yml file is detected instead of the expected .yaml, offering clear guidance to users and lowering the risk of deployment errors. Incorporated backend development and unit testing practices to ensure reliability and maintainability. The approach included proactive warnings and improved error messaging, directly addressing project goals to minimize configuration-related incidents. All changes were traceable to specific issues, supporting maintainability and reducing support overhead for configuration-related user queries.