During November 2024, Zhanghang He focused on stabilizing the build process for the web-infra-dev/rslib repository by addressing nondeterministic module IDs in Module Federation builds. Using TypeScript and JavaScript, Zhanghang introduced a configuration that ensures module IDs are deterministic in production and named in development, directly improving build reproducibility and reducing bundle divergence across environments. This technical approach enhanced deployment safety and test reliability, as snapshot tests were updated to reflect the new deterministic behavior. The work demonstrated a strong grasp of build tools and configuration management, resulting in more stable continuous integration and streamlined production release workflows.