Worked on expanding Tuya device fixture configurations within the mib1185/homeassistant-core repository, focusing on enhancing the testing framework for smart home integrations. Delivered a feature that added 18 new device fixtures, increasing test coverage and improving regression detection for various Tuya smart devices. Utilized skills in IoT development, testing automation, and smart home integration, leveraging Python-based test harnesses and structured JSON configurations to ensure maintainability and traceability. The approach centered on fixture-driven testing, which streamlined validation of new devices and reduced the risk of regressions. No major bugs were addressed during this period, with efforts concentrated on feature expansion.