Worked on the skypilot-org/skypilot repository to enhance observability and reliability in fuse-proxy resource management. Developed a feature in Go that introduced detailed logging and explicit success confirmation when closing the namespace file descriptor, addressing ambiguity in resource lifecycle events. This backend development effort improved operational reliability by making resource closure events transparent and easier to audit. The approach focused on system programming principles, ensuring that resource management paths are clearly documented and validated to reduce the risk of leaks. These changes strengthened maintainability and incident response readiness, aligning the project with reliability and service-level objectives for core infrastructure components.