Steven Wei developed and integrated a scalable speculation and prefetch management module for GoogleChromeLabs/chromium-bidi, focusing on optimizing browser resource efficiency through smarter prefetch decisions. He implemented new processor classes, event subscriptions, and protocol definitions to coordinate prefetching, using TypeScript and Python for backend development and protocol implementation. In w3c/webdriver-bidi, Steven enhanced navigation-speculation documentation, linking to external specifications and refining references to improve traceability and reduce maintenance. His work included automating type generation from CDDL specs via GitHub Actions and CI/CD pipelines, establishing robust build automation and testing practices that improved developer productivity and ensured alignment with evolving external standards.