{"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-2-9it1y4tg","versions":[{"created_at":"2026-06-04T17:01:27Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"cf54a6fab8b72b3c7d45615265bd6ca6cac5de95135192593e34d5d313daf10f","version":11},{"created_at":"2026-06-04T05:52:51Z","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":"05a23daa68d335f0be88a820fd6ee950b9fc80fe6da8e43f6e28f0f954737f0c","version":10},{"created_at":"2026-06-04T04:55:55Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.8→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":"4e52c2a4727d9485926151e57f1b379182c207969deac251a06378f65b1ce196","version":9},{"created_at":"2026-06-04T04:55:55Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7f4180815e6868c82018ce6518cebc0e933d77f7e6c2ff50f62fdc21711c89dc","version":8}]}