Developed a reliability-focused feature for the gravity-ui/gateway repository that enables automatic cancellation of in-flight requests when a client disconnects, addressing potential resource leaks and improving backend stability. The implementation introduced abortOnClientDisconnect options to action types and leveraged AbortController to manage request cancellation, ensuring efficient resource management in client-heavy environments. This work was delivered using Node.js and TypeScript, with a focus on robust API and backend development practices. No bugs were fixed during this period, as the primary contribution centered on enhancing operational resilience and clarity in request handling semantics through targeted improvements to the gateway’s request lifecycle management.