{"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-88kzkdt9","versions":[{"created_at":"2026-06-04T05:50:54Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 99.3→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":"67c8549c49cdd1f224126edae439134c0002aff0b24d7bde82b2c6081d8e8cf9","version":4},{"created_at":"2026-06-04T04:56:25Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 55.5→99.3 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"5fe6bc00e4da8f3bd81e07d1e567c9ef75804cb0eee41692f6ee8c9ef61a42f9","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}]}