{"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-soluna-1lw32met","versions":[{"created_at":"2026-06-04T05:52:12Z","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":"b5c76da93623220347a12b3bc4a27cf73200294e37e363f2b71100a6004da0f9","version":10},{"created_at":"2026-06-04T04:59:27Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 35.9→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":"c772c1f7b4b1697f8b38881390b93479b4fcc970c2e43fa1598de8b61fc6382c","version":9},{"created_at":"2026-06-04T04:59:27Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"10446c724276c266ef86375dca7e46df211c6badccd08a47b763cc6866dd2121","version":8}]}