{"note":"bim_versions 導入後の保存のみ記録 (それ以前は bim_canonical 上書きで履歴なし)","ok":true,"slug":"u-2-1yovsnoh","versions":[{"created_at":"2026-06-04T05:52:11Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 96.8→96.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.8 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"3aab23f5fc701407af2d37263a8d5878875dc0d8a0abbf2d88c92d1a9b6214b7","version":10},{"created_at":"2026-06-04T04:59:41Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 16.4→96.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.8 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"9bd55f476a30a7a7955d4167462a649196fcce3efbe294a8e2ba9d4e02267cdc","version":9},{"created_at":"2026-06-04T04:59:41Z","element_count":44,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"68b76214c3bcf3aa1ab19f5f29f46353e5c649812e6ae3bc86f95c253e1f193d","version":8}]}