{"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-havho1k7","versions":[{"created_at":"2026-06-04T17:00:17Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.2->96.8)","saved_by":"editor","sha256":"c566d63ed1ac2d0db6029ebb8dceff6e4d13a8f5829391bf3401011adcc31bfd","version":12},{"created_at":"2026-06-04T07:22:14Z","element_count":70,"note":"GA polish 2026-06-04: 総合 94.9→96.2 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 96.2 (美 96 環 99 楽 91))","saved_by":"editor","sha256":"06dbab13f39d44f1abca222577321468ff9e5b547dc613f8d2cd7483633420a4","version":11},{"created_at":"2026-06-04T05:51:25Z","element_count":69,"note":"GA diverse re-design 2026-06-04: 総合 98.5→94.9 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 94.9 (美 92 環 99 楽 91))","saved_by":"editor","sha256":"3563b1e4369b256ee776b54a47fbeba4c316d447f4a5aeaa5bc1a82c0c4d5ff1","version":10},{"created_at":"2026-06-04T04:54:35Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.9→98.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.5 (美 99 環 99 楽 100))","saved_by":"editor","sha256":"5894932476937a0c60c121622d04077fd389f986db5602e7d93e87782fe4c21a","version":9},{"created_at":"2026-06-04T04:54:35Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b2d5f4ef9e2f91aec534317040f157235a5361ba08ec5d17b4ad0f1ee1c6440a","version":8}]}