➀ Enabled more HomeKit-compatible Lumi devices and updated some old smart switches. ➁ Connected devices from various brands including Lumi, Xiaomi, Tuya, Unifi, and QNAP using Home Assistant for cross-brand integration. ➂ Introduced more screen-equipped devices to enhance usability, eliminating the need for labels on switches. ➃ Installed air conditioner and fresh air controllers, though setup was postponed due to time constraints.