Worked on the PepperDash/Essentials repository to enhance reliability and determinism in device orchestration workflows. Focused on improving asynchronous device action handling by ensuring actions in DeviceJsonApi are awaited in sequence, which maintains correct execution order and reduces race conditions. In RoomCombinationScenario, replaced parallel execution with sequential awaiting of device actions, leading to clearer error reporting and more stable automation. These changes, implemented in C# using async/await patterns and robust error handling, improved troubleshooting efficiency and maintainability. The work addressed a critical bug, prioritizing correctness and reliability in device integration scenarios without introducing new features during the development period.