During July 2025, contributed to the google/go-github repository by developing the List Repository Activities API endpoint, enabling retrieval of repository action histories for enhanced auditing and monitoring. The work involved designing new data structures to represent repository actors and activities, along with implementing safe-access getter methods to ensure robust data handling. Comprehensive unit tests were written to validate correctness and maintain reliability across future changes. This feature supports downstream integrations by providing structured activity data, reflecting a disciplined approach to Go programming, API development, and backend engineering. No major bugs were addressed during this period, with focus placed on feature delivery.