We will at some point have a JS API to run preliminary LLM to make local decisions, then the server will be final arbiter. So for example a comment rage moderator can help an end user change their proposed post while they write it, to help them not turn the comment into rage bate. This will be done best locally on the users browser. Then when they are ready to post, one final check by the server would be done. This would be like today's React front ends doing all the state and UI computation, reducing servers from having to render HTML, for example.