{"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-engawahousegeniusken-w8eihs14","versions":[{"created_at":"2026-06-04T05:49:44Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→90.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.5 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"26e1321e8077ddb397435e9ce44077ec0a5d862aaf965a7604a84c24f861902e","version":4},{"created_at":"2026-06-04T04:56:25Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 55.5→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"2f22b487dc1c76491248afc8e92b4f80bfd1cc671ba94ea3ffc5596199b24dd2","version":3},{"created_at":"2026-06-04T04:56:25Z","element_count":44,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"873faba0cda43f0a0e69a48a52bd5c3cf283056e0d73286e9e0d5ffc00af9add","version":2}]}