Over a two-month period, contributed to both documentation and code quality across two repositories. In ktorio/ktor-documentation, improved API documentation by clarifying the use of optional path parameters in server requests, updating examples to better reflect REST best practices and enhance onboarding for API developers. For Tencent/tdesign-common, focused on front end development and unit testing in TypeScript, addressing correctness in large-number arithmetic by refining zero handling and subtraction of negative numbers. Added targeted regression tests to strengthen reliability and prevent future calculation anomalies, ensuring more robust numeric operations within the inputNumber component and improving overall code quality.