{"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-z96cmngn","versions":[{"created_at":"2026-06-04T16:59:45Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (93.5->93.6)","saved_by":"editor","sha256":"89704b1b60e6979164a19092abe6ba3b57956daced3240df817ea79fd53b90e6","version":12},{"created_at":"2026-06-04T07:22:27Z","element_count":70,"note":"GA polish 2026-06-04: 総合 92.3→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"461d33682ef227494ec0c192d8c4d8e62e0efe7f616739b8f47923f8b9c58974","version":11},{"created_at":"2026-06-04T05:55:50Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 92.3→92.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.3 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"85a661241eb64b58a4125792e68599f5c2648e732e25db0cc62f4b68a8ab9dd4","version":10},{"created_at":"2026-06-04T04:57:16Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 47.7→92.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.3 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"0e7e058fa50833b974360a4780eed626b5d1b3a1dc0192f9a8447f4a9f42050b","version":9},{"created_at":"2026-06-04T04:57:16Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d030e57dbc02164df723dabe5a3770d8d67788e8bb9de0489812bc9075fb1866","version":8}]}