* Straight edges stay one edge after cuts (#1049) Co-Authored-By: Claude Opus 5.5 <[email protected]> * Robustness goldens: cuts join straight edges along untouched walls (#1049) Co-Authored-By: Claude Opus 5.5 <[email protected]> * fmt Co-Authored-By: Claude Opus 5.5 <[email protected]> * Robustness goldens note: what each changed seed shows when replayed on both builds Co-Authored-By: Claude Opus 5.5 <[email protected]> --------- Co-authored-by: Claude Opus 5.5 <[email protected]>