{"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-house-wrmmefry","versions":[{"created_at":"2026-06-04T05:52:00Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.1→97.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"6545eed254a7c622460733fb30cb27bca59c644bfc716bd36d6465bdc3002de5","version":10},{"created_at":"2026-06-04T04:53:31Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 69.9→97.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"ec24d9e3661ae468914b49ecad1c1ca55c4d88cf58dfec007f7de32663b3ca4b","version":9},{"created_at":"2026-06-04T04:53:31Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"189248863789798ccde38de79608d32ff8fca28fc344c6e2700ac60268c6a332","version":8}]}