That could work and is simpler - Might be scriptable, have to think on that. Don’t recall whether the request archive button is a GET or POST. Parsing out the links to posts and throwing away the others would be straightforward, ‘if /post/ in url’
I do know that I won’t get to it today - my work is finance-adjacent, and with a deadline in the next week, work is keeping me rather busier than usual.