This can be handled through a bot (such as SineBot) or a gadget. Neither of which Miraheze provides to users. You should put this request at https://meta.miraheze.org/wiki/Community_noticeboard so a member of the community who provides either of these services can offer and provide help.
OK, though DiscussionTools makes Talk pages look unfamiliar, at least it will do the ~~~~ job.
(In https://www.mediawiki.org/wiki/Extension_talk:DiscussionTools I do note there is no link to a real description.)
Looking into this, talked to people to unscramble the review confusion upstream, someone is going to ask for the task to made public and emailed peter to see if there’s any testing or guidance they want for us.
I’d like to check a few things with SRE which I’ll do now