I'm not sure I want another layer of indirection personally, and I'm guessing an updated Claude model will reign this in at some point. I have however created a skill I call "deslop" and I invoke it to clean up Claude output when it goes off the rails. Here's the skill if anybody is curious:

https://gist.github.com/bmurphy1976/47ad81a842ab4b1628ef5974...

A small preview:

    *Meta commentary.* Sentences about the document, the diagram, the reader, or the
    writing itself ("the split across this diagram is the whole point", "a reader who
    assumes X will be wrong", "as we'll see below"). Delete the frame and keep the fact
    it was wrapped around. If there is no fact underneath, delete the sentence.