I whipped up a proof-of-concept user CSS that does this (and should automatically adapt to entries shifting down).
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@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document domain("pawb.social") {
a.text-info[title$="@lemmy.blahaj.zone"] span::before {
content: "❤ ";
color: red !important;
}
a.text-info:not([title*="."]) span::before {
content: "★ ";
color: yellow !important;
}
}
@Wander A more quality (but more labor intensive) solution would be to have an account setting that toggles a short CSS file containing overriding CSS for the adult image blur. This way, users could choose to have or not have that blur regardless of which theme they chose (without having to have two separate copies of each main CSS theme to achieve that).
Peertube might be an option; it's basically an ActivityPub server that's intended for video and stream hosting, by my understanding.
The first part prepends a red heart to usernames from a particular remote server (and variants of the CSS selector can be copy/pasted into a comma delimited list to allow the rule to apply to other servers as well).
The second part prepends a yellow star to usernames from the local server... by crudely assuming that they won't contain any periods (CSS selectors aren't flexible enough for anything more elegant). The selector can instead be applied to the first rule to make those hearts as well.