During December 2024, Bill Cai focused on improving data integrity within the awslabs/agent-squad repository by addressing a targeted bug in the classifier module. He identified and corrected an incorrect agent name reference in conversational logs, ensuring accurate agent attribution for downstream analytics. Working primarily with Python, Bill applied his debugging skills to enhance the reliability and traceability of log data, which is critical for maintaining trust in agent identification across the system. Although no new features were introduced during this period, his work contributed to the overall quality and correctness of the codebase, reflecting a detail-oriented engineering approach.