MDM is a topic I never explored - "com.android.managedprovisioning" is packaged with Lineage and /e/, but I don’t see “com.android.provision”. If you interact while looking at adb logcat you can probably see what is missing.
Headwind has an Aosp pacakge that does offer (and replace) the Provision package - if you can build yourself or ask /e/ to do it for you, you can include this and point to your headwind instance.
To integrate after the image build by installing the apk there is
… but you’d need to import keys that I’m not sure where the private keys come from. Repo looks young. Might need to get in touch with each Sales dep. how to go about this?