{"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-r4vo1bsy","versions":[{"created_at":"2026-06-04T17:00:36Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"cf54a6fab8b72b3c7d45615265bd6ca6cac5de95135192593e34d5d313daf10f","version":11},{"created_at":"2026-06-04T05:52:56Z","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":"b2814a93c5f5e21194a1c708466c916b8ad48293fabc50c8011cb87dbedcede1","version":10},{"created_at":"2026-06-04T04:56:43Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 51.3→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":"db6579dadc99b9f7b38147de887d315bce49aab095854f666a4eb0ae51d2ae74","version":9},{"created_at":"2026-06-04T04:56:43Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"dd7bbe012a49a70fa5ff3eeebc8928870b5b14325e1aa96e931314df7455bbec","version":8}]}