The engine kept its own copy of Document::next_layer_name after #353; the document's now counts sublayers too, so the engine uses it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The engine kept its own copy of Document::next_layer_name after #353; the document's now counts sublayers too, so the engine uses it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>