Be aware that there has been a change in the way that yeelight handles Mijia devices (such as the MJCTD01YL bedside lamp and MJTD01YL smart desk lamp) such that whilst the Yeelight app (and thus HA via the local LAN connection if enabled) can manage the devices, the yeelight integration no longer exposes the devices to Google Home/Alexa/Ifttt).
if you want to use google home/alexa/ifttt, then you need to remove the device from the Yeelight app, and add to MiHome, then use MiHome via Google etc.
BUT I don’t believe there is a way to unlock local LAN mode in MiHome… which is required for HA to manage the devices.