Worked on upgrading the Claude Sonnet model to version 4.6 across all agent configurations within the microsoft/playwright repository, focusing on enhancing the Playwright testing framework’s capabilities and performance. The update was delivered as a single, targeted commit, ensuring stability and maintaining compatibility with existing CI pipelines. Leveraged skills in AI integration, test automation, and software development to implement the upgrade efficiently, using TypeScript and Markdown for code and documentation. No major bugs were introduced during this period, reflecting a careful approach to feature delivery and system reliability. The work improved agent performance while supporting ongoing framework evolution.