During February 2025, A01665456 focused on improving data management practices in the IDM4s-2025/df-manipulation641 repository by refining Git configuration and version control workflows. They implemented a feature to exclude the /DATA directory from version tracking, ensuring that large datasets and temporary files would not be committed to the repository. This approach reduced repository bloat, kept the commit history clean, and improved clone performance for collaborators. The work demonstrated a practical application of Git configuration skills, emphasizing repository hygiene and maintainability. While the scope was limited to a single feature, the update addressed a common pain point in collaborative data projects.