I just cast a closevote on Usage of 'Jealous'. A few minutes later I noticed user "Community" had resoundingly endorsed my vote and actually closed the question (no other votes were cast).
Since Community claims to be a "background process" rather than a real person, I don't really understand how it does this. I know that on ELU I can unilaterally close questions with those specific tags for which I have a gold badge, but that doesn't seem to be the mechanism here. My "unilateral" closevotes on ELU show a diamond after my username on the closevote notification, and no endorsement from Community (which only stepped in a week later, to delete the question I'd closed as a dup in that link).
By what logic does Community decide whether my dup closevote should be immediately forced through without waiting for support from either a mod, or four other users?