Developed robust state management for MQTT-enabled valve control in the cdce8p/ha-core repository, focusing on accurate and responsive automation. Addressed the challenge of stale valve states by implementing logic to reset the opening and closing state whenever an intermediate position update is received, ensuring the software state closely mirrors real hardware behavior. This feature, delivered through collaborative commits, improved automation reliability and user experience by reducing latency and enhancing system robustness. The work leveraged Python programming, IoT development principles, and the MQTT protocol, with an emphasis on unit testing and code quality to maintain maintainable, event-driven state management.