During December 2024, Chengbiaojin focused on improving the integrity and usability of the Vector Graph within the tigergraph/ecosys repository. He addressed schema inconsistencies by correcting typos and primary key naming in GSQL files, ensuring the graph structure accurately reflected intended data models. He also updated related Python scripts to align with these schema changes, maintaining consistency across the codebase. In addition, Chengbiaojin enhanced developer documentation by revising VECTOR.md tutorial links and navigation, making onboarding and self-service learning more accessible. His work demonstrated attention to detail in database design, technical writing, and Python scripting, though it was limited in scope.