Here’s an unofficial build for this device. Built from the v0.23.9-r tag.
This is completely untested so please backup your existing setup before flashing
Release notes are here:
Device details here
https://wiki.lineageos.org/devices/troika/
Installation instructions here
https://wiki.lineageos.org/devices/troika/install
TWRP Recovery available here
I am not in a position to support this ROM as I don’t own one of these devices. If you do flash it, please give some feedback here, If enough people find it works, /e/ may be persuaded to make it an official device