Kaisheng worked on the facebook/fboss repository, focusing on improving reliability and configuration correctness for agent management ports. He addressed a crash related to management port handling by correcting lane ID retrieval and updating the management port flow in C++. His work included updating configuration artifacts such as port_profile_mapping.csv and si_settings.csv, as well as regenerating platform_mapping.json and embedding mapping logic in PlatformMapping.cpp. By collaborating closely with reviewers and completing thorough code quality checks, Kaisheng enhanced system stability during agent onboarding and management port setup, reducing crash risk and laying the foundation for further hardware validation using C++ and JSON.