Worked on the duneanalytics/spellbook repository to streamline and modernize its data models by focusing on code cleanup and database management. The primary effort involved removing deprecated datasets and unused SQL models, including associated schema YAML files, to reduce technical debt and simplify ongoing maintenance. Leveraging skills in SQL and data modeling, the developer consolidated schema definitions and eliminated low-usage components, which improved data quality and reduced the risk of data drift. These changes enhanced repository hygiene and positioned the codebase for safer, faster future iterations, ultimately enabling more efficient query performance and smoother governance for subsequent development cycles.