{"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-13g95wjo","versions":[{"created_at":"2026-06-04T17:00:20Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"7e6a84591ee1a87ea65a3aaa30dbdf6177ec71f70215a150d0b24150a7bf1f3d","version":11},{"created_at":"2026-06-04T05:53:04Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"cf6e0826d2c1b4772abef942c6d4fcdc7307cd96d99145b0f15a86a9fbae00c3","version":10},{"created_at":"2026-06-04T04:58:24Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 44.0→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"dedc92f8432edf027d8cce9ab569135d642fecd45d063acfdac5fd0aeb648105","version":9},{"created_at":"2026-06-04T04:58:24Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f5acfbd1b92007c3e71023ad208c8da55fc608339bf75af33d6f126f42cc183c","version":8}]}