During May 2025, Shubhamsaboo enhanced the Shubhamsaboo/LightRAG repository by developing a targeted API feature that introduced an IDs parameter to the QueryRequest model. This addition, implemented in Python with a focus on backend and API development, enabled clients to filter query results by specific IDs, allowing for more precise and efficient data retrieval. The work involved updating the API endpoint in a single, well-documented commit, ensuring clear traceability and maintainability. By reducing unnecessary data transfer and supporting more flexible client integration, Shubhamsaboo addressed both performance and usability, demonstrating a thoughtful approach to incremental backend improvements.