Worked on the IllianiBird/mekhq repository, focusing on enhancing campaign management reliability through targeted bug fixes and refactoring. Addressed compensation logic for battle losses by restructuring Java code to ensure players receive accurate payments for units damaged prior to combat, aligning with campaign rules. Improved data modeling by renaming PartsTableModel to PartsStoreModel and correcting procurement calculations, ensuring part quantities—including ammunition and armor—are accurately tracked in both use and storage. Emphasized maintainability and future testability by refining core models and calculations. Utilized skills in Java, data modeling, and GUI development to deliver solutions that improve data integrity and user trust.