During June 2025, Lotus focused on stabilizing LED control in the edge-core/sonic-buildimage repository by addressing concurrency issues in the PDDF API. They implemented a file-based locking mechanism in Python to ensure exclusive access during LED status retrieval and setting, effectively eliminating race conditions under concurrent workloads. This system programming effort improved the reliability and maintainability of LED indicator management across deployments. Lotus demonstrated strong skills in API development and concurrency control, collaborating with reviewers to deliver a targeted bug fix. The work reflects a thoughtful approach to system stability, with clear commit documentation and explicit locking semantics for future maintainability.