{"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-dqq4nqo0","versions":[{"created_at":"2026-06-04T17:01:34Z","element_count":79,"note":"polish: batch-improve-100 2026-06-04 (94.8->98.4)","saved_by":"editor","sha256":"040fb8553b2b00b0bb2caf590f4e9a5b057286e0bf0e63a55f38f81f8f050a59","version":11},{"created_at":"2026-06-04T05:52:00Z","element_count":71,"note":"GA diverse re-design 2026-06-04: 総合 97.1→94.8 (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 94.8 (美 96 環 98 楽 91))","saved_by":"editor","sha256":"78290f8fa74706e240294185e774b569a427d1523acff38671aef6372b08e812","version":10},{"created_at":"2026-06-04T04:58:40Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 41.7→97.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"3b3e811eda93e5ce50b8fb9c8454d085c00f0e9fee13edcd26f3dff2f9fffa57","version":9},{"created_at":"2026-06-04T04:58:40Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"098e7ced96c115930669a3721bcdcb8ef2f670660cee4e66b52153481edab6c4","version":8}]}