Vadivel worked on the google/pts-bot repository, delivering a stability and compatibility enhancement by removing the deprecated GetDeviceList API call and transitioning to SetPTSDevice for device provisioning. This update addressed failures caused by terminated API paths in newer PTS environments, ensuring continued functionality and reducing maintenance overhead. Vadivel’s approach maintained behavioral parity while improving reliability for production workflows. The work involved C programming and leveraged skills in API integration, system programming, and code documentation. Inline rationale was provided in both code comments and commit messages, demonstrating thoughtful communication and supporting future maintainability. The contribution reflects focused, in-depth engineering within a short timeframe.