This is a common pattern you see in the #fediverse: "RT @firstname.lastname@example.org". Of course, Twitter doesn't speak AP. But why not at least bridge the gap for users and link to the profile?
Those are my ideas behind this latest pull request: https://writefreely.org/pull/319
Trying out some navigation improvements on Write.as, made especially for teams.
Also, now you can subscribe to @submit_as notifications on a blog-by-blog basis!