Over a two-month period, contributed to openhab/openhab-addons by implementing DAB and FM tuner preset support for Yamaha MusicCast devices, enabling users to save and recall presets within their home automation workflows. This feature involved extending API integration and updating embedded Java handlers to manage new channel types, improving both usability and maintainability. Additionally, addressed documentation accuracy in element-hq/matrix-authentication-service by correcting the Swagger UI OAuth2 callback path in the Admin API documentation, ensuring alignment with the actual implementation. Work demonstrated attention to integration details, with a focus on Java, API integration, and clear technical documentation using Markdown.