{"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-boeu1xs0","versions":[{"created_at":"2026-06-04T05:50:52Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.4→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"7bde1a3820ede7588080abb3f787a4fb306ad658e164662a882af9cd95ea2a78","version":10},{"created_at":"2026-06-04T04:58:45Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 39.7→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"977e2b3712088860e4292d9a53aa9dfc811b167fb9fcfd12a0c7220f4115b9f3","version":9},{"created_at":"2026-06-04T04:58:45Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d15977a0601fd6d5686eb338f4a1e7010f2b9facdfb2936863e5d5ff4c1ec304","version":8}]}