{"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-o76mkb3m","versions":[{"created_at":"2026-06-04T05:49:54Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.7→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"cd30687d9f3105e3bb94117255ba0b8a94194f0b1a13bd553381dade988ab5d2","version":10},{"created_at":"2026-06-04T04:53:49Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 68.7→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"64d702aa0a9913bb1299700171e46acc246f8111c08925ccf0ee78c4b83111ee","version":9},{"created_at":"2026-06-04T04:53:49Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d9ca36ffda76861353217259de6f30349f3acd79014f3595b4bb890ed39d267d","version":8}]}