During July 2025, F. Nan migrated the Gemini client in the apple/axlearn repository from VertexAI to the Google GenAI SDK, enhancing content generation capabilities and introducing configurable parameters to improve output quality. The work involved extensive API integration and asynchronous programming in Python, with a strong emphasis on robust error handling. F. Nan also developed comprehensive unit tests and improved the testing framework, utilizing mocking techniques to ensure reliability and maintainability. These changes reduced external dependency risks and stabilized the integration, positioning the codebase for future GenAI feature expansion while strengthening continuous integration feedback and overall project resilience.