During November 2025, this developer enhanced the umijs/mako repository by extending the Project class API to expose both serviceWorkerOptions and cwd, addressing the need for more flexible service worker configuration and streamlined project directory management. The work involved updating TypeScript code within the packages/utoo-web/src/project.ts file, ensuring that downstream teams could more easily customize service worker behavior and manage project paths. The implementation was delivered as a single, well-documented commit, reflecting a clear and traceable development process. Their contributions focused on front end development and service workers, with an emphasis on maintainable, high-quality TypeScript engineering practices.