During April 2025, Audun Ytterdal contributed to the bramstroker/homeassistant-powercalc repository by addressing a device identification issue within the Zigbee2MQTT integration. He focused on improving reliability by correcting the MQTT device aliasing, specifically removing a trailing '01' from device identifiers to prevent misrouting of messages. This targeted bug fix involved updating the model.json configuration file, ensuring that device aliases aligned with Zigbee2MQTT documentation. Audun applied his skills in device configuration and JSON to enhance automation reliability and maintainability. The work was concise and well-documented, reflecting a focused engineering approach to resolving a nuanced integration problem within the project.