Does the SONOFF NSPanel Pro 86 type work with HomeKit, Alexa, and Google Home?
The NSPanel Pro 86 type is a 3.95 inch Android wall control panel with a built-in Zigbee 3.0 hub and no relay.
It bridges eWeLink Wi-Fi and Zigbee devices to Matter for Alexa, Google Home and Home Assistant, and runs the Home Assistant app from F-Droid. It suits Google Home, Alexa and Home Assistant users through an integration (a Matter bridge).
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.