Worked on stabilizing preset management in the badlogic/pi-mono repository, focusing on improving user experience and reliability. Developed an OriginalState interface using TypeScript to accurately track and restore preset states, addressing issues with state leakage and ensuring consistent behavior when cycling through presets. Enhanced the clear-cycle logic so that the original state is restored even in edge cases where no preset is active, reducing support risk and improving robustness. The work involved full stack development skills and careful handling of state management, resulting in more predictable preset handling and a smoother user experience across various usage scenarios within the application.