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9 months agoOne way to ensure your comment to federate the way you are expecting is to mention the original group (community) of the thread. This way, Lemmy will receive the comment on the group’s inbox and propagate to all federated servers.
Another behavior I found is that replies to non federated comments (as the one you showed in the op) will be announced to all federated servers. More details I found here: https://seb.jambor.dev/posts/understanding-activitypub-part-2-lemmy/
As @flamingos@ukfli.uk said, there’s an API endpoint for that, so third party clients can show it, even if the web interface do not.
I happen to use Boost for Lemmy on my Android and I can see all my upvotes and downvotes on my profile page.