During November 2024, Tran Anh focused on enhancing the maintainability and onboarding process for the d23-java/seabattle repository by developing formal architecture documentation. He created and committed UML-based Activity and Class Diagrams as PNG assets, providing a clear visual reference for both developers and stakeholders. Using UML modeling and git-based documentation workflows, Tran Anh addressed the need for structured project understanding rather than direct code changes or bug fixes. This work improved the project’s documentation standards and made architectural decisions more transparent, supporting faster onboarding and more predictable development milestones. His contributions centered on documentation, diagram asset creation, and workflow clarity.