It worked!
I was able to send a Bluesky post under an "org account" while logged in under my own account, because the org account used our new arbiter server to create a policy allowing me to do so.
These policies can be as advanced as you like, restricting based on lexicon, user role, etc.
Zicklag
Hello from arbiter debug!
This is @zicklag.dev posting to this account through the arbiter!