During January 2026, Sw555 established foundational data model groundwork in the data-hydenv/data repository, focusing on scalable data management and file organization. They introduced new CSV-based data structures to support reliable data ingestion and future analytics workloads, addressing the need for maintainable pipelines. Sw555 also performed targeted data hygiene by removing obsolete CSV assets, which reduced repository clutter and improved governance. Their disciplined approach to asset management and commit history strengthened repository maintainability. While the work was limited in scope, it provided essential infrastructure for future development, demonstrating a methodical approach to data management and repository organization using CSV and related tools.