Ben focused on stabilizing the OAuth polling flow for GitHub Copilot authentication in the badlogic/pi-mono repository, addressing reliability issues caused by slow-down intervals and clock drift. He implemented a targeted fix using TypeScript and JavaScript, refining the polling mechanism to deliver a more deterministic and user-friendly authentication experience. The solution was carefully scoped to minimize risk, with changes isolated to the relevant subsystem and validated through focused testing and instrumentation. Ben’s work demonstrated depth in API integration and OAuth protocol handling, laying a solid foundation for future improvements in authentication reliability and maintainability within the project’s codebase.