Worked on the ScrollPrize/villa repository to enhance cross-platform reliability and maintainability, focusing on Python, PyTorch, and Windows API integration. Developed a robust shell loss sampler configuration that validates indices and surfaces user warnings, ensuring consistent behavior across various loss types. Addressed Windows-specific persistence issues by refining file I/O operations, enabling reliable checkpoint saving without disrupting POSIX compatibility. Improved error handling by treating missing optional configuration files as warnings, not errors, and expanded unit testing to cover these scenarios. Streamlined dependency management by removing unused packages, which resolved Windows installation failures and simplified future development and deployment processes.