{"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-0g4jlny8","versions":[{"created_at":"2026-06-04T17:01:21Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.6->98.5)","saved_by":"editor","sha256":"0aec800ea75c5fabaf38957098147b6cb7fdd4b474f77dc7f4aeb03213bef00e","version":11},{"created_at":"2026-06-04T05:55:04Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a068e543561d3c57f27465fb716991c35ba9f5ea34dcaf2e48ed72cab4b1ae8d","version":10},{"created_at":"2026-06-04T04:52:37Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 75.2→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"772120b9aa36cfd6171990cdbff895158ad0205ac5eaa5fe229eeea6319824c2","version":9},{"created_at":"2026-06-04T04:52:37Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f50b5aa00844038a38b2ebfd67d5a1882458463534fa437f896adb0222a5f7e7","version":8}]}