Since you're using AI to code this it may be worth exploring what aspects of Activity-Relay differ from what is detailed in the retrospective FEP ae0c https://w3id.org/fep/ae0c

@alan@friendica.argentwolf.org well, good news, I'm now a follower... but bad news, that's not right behaviour on my end, so that's firmly on me <img class="not-responsive emoji" src="https://activitypub.space/assets/plugins/nodebb-plugin-emoji/emoji/android/1f613.png?v=c7cc56fe415" title="" /> But at least it sounds like I'm able to receive your activities now!