{"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-yl7w2ltk","versions":[{"created_at":"2026-06-04T17:01:27Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.4)","saved_by":"editor","sha256":"d6d01d24ff1790febcbc05cfd0f6a4eb7d8c56c1224f98d4a23f968536b1f422","version":11},{"created_at":"2026-06-04T05:53:10Z","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":"2026-06-04T04:57:10Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 48.1→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":"761b32eec94a14c501fa229bc8a9a29239adfbb2a88ae4a08544c254666636a4","version":9},{"created_at":"2026-06-04T04:57:10Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8ca15c8bd0439f01301d07302ba12c680585da137d7f0e863410659b70e9d77f","version":8}]}