During the month, contributed to the topoteretes/cognee repository by enhancing the configuration management layer to improve error handling and system reliability. Addressed a bug where invalid configuration keys could previously cause silent failures by introducing explicit validation logic in Python, raising a dedicated InvalidConfigAttributeError when such keys are encountered. This approach ensures that misconfigurations are detected early, reducing the risk of runtime issues and simplifying troubleshooting. The work demonstrated strong backend development skills, with a focus on maintainable code and robust exception design. These improvements laid a more stable foundation for future changes to the configuration subsystem.