Andrew Youngren contributed to the csu-signal/TRACE repository by developing and refining features focused on audio and video processing, backend reliability, and observability. He improved dependency management and code hygiene, notably reorganizing HuggingFace package usage and updating LLM testing workflows for greater reliability. Using Python and YAML, Andrew enhanced logging within frictionServerBackup.py to support better monitoring and debugging. He also addressed configuration and documentation gaps, updating the README and improving user experience for HuggingFace authentication. His work included targeted bug fixes, code refactoring, and the addition of planner functionality, demonstrating a methodical approach to maintainability and demo stability throughout the project.