9
Assist Widget
(midwest.social)
Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
Hey man. I have no experience with your phone or oxygenos, but I can tell you that's where I found the widget. Also, I replaced my Google assistant with it, so I can long-press the circle and get the HA Assist. (You can map it to the power button, too, I think)
I'm on a Pixel 6a, so my layout may be different than yours:

Hope someone can help more!