Aditya Agarwal enhanced the GetStream/stream-node repository by enforcing the presence of a user_id when updating comments through the Feeds API. This feature, developed using TypeScript and leveraging backend and API development skills, ensures that every comment update is explicitly attributed to a specific user. By requiring user_id, Aditya improved the data integrity and traceability of comment modifications, which supports more robust audit trails and governance. The implementation was carefully designed to minimize disruption for existing API consumers while laying the groundwork for future improvements in debugging and compliance. The work demonstrates focused, foundational engineering within a targeted codebase.