Developed granular humidity control features for the home-assistant/frontend and developers.home-assistant repositories, focusing on enhancing the humidifier entity with a new target_humidity_step attribute. This addition enabled users to make finer humidity adjustments, improving climate control fidelity and user experience. The work involved updating state control logic and ensuring consistent behavior across both frontend and documentation repositories, demonstrating cross-team collaboration and attention to alignment. Leveraged TypeScript for front end development and API design, while maintaining clear documentation in Markdown. The engineering effort centered on feature delivery, with traceable commits and integration into the Python-based Home Assistant architecture, without explicit bug fixes.