{"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-mva3sx0s","versions":[{"created_at":"2026-06-04T05:52:10Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 96.9→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9107bb016fa6338a83b0cce9479e070ac2edc47c9cfa513f158d9cc445324326","version":10},{"created_at":"2026-06-04T04:59:42Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 14.7→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"20eafafdf031f274dd3269ee2fcb63844de5bf80633e4c6633e3a5d1d41206bd","version":9},{"created_at":"2026-06-04T04:59:42Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"832a96f0a35b9950484c19df70e8049e0e71f3aafae5780edf27a7e19c24165b","version":8}]}