Andrew Richardson enhanced the maintainability and clarity of the ChayaBasha/ShaTuApp codebase by focusing on comprehensive documentation for the core Problem class. He systematically added Javadocs to all methods, ensuring that the API surface is well-defined and accessible for future contributors. Using Java and adhering to Javadoc standards, Andrew formalized documentation practices that support faster onboarding and safer refactoring. His work addressed long-term quality and velocity goals by making the codebase easier to understand and maintain. Although he did not address bug fixes during this period, his targeted documentation efforts provided foundational improvements for ongoing development and team collaboration.