{"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-ftm5qsfh","versions":[{"created_at":"2026-06-04T16:59:35Z","element_count":60,"note":"polish: batch-improve-100 2026-06-04 (92.0->93.8)","saved_by":"editor","sha256":"e932a5f657fec016db1c7196668bf1debc0e0dd9c720168d157fdcebd8bf11be","version":12},{"created_at":"2026-06-04T06:04:28Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 89.1→92.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.0 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"5c5d9d4d95210a3e73c4377976442f6379403b3c3d00a3f72cc088e28dda1927","version":11},{"created_at":"2026-06-04T05:55:58Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 92.0→89.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.1 (美 95 環 97 楽 91))","saved_by":"editor","sha256":"81fa072a394a4e2be1f726fbeba9e9ef20019102aa2c517016074dce7bd42a66","version":10},{"created_at":"2026-06-04T04:54:17Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 66.8→92.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.0 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"4e374a5072071138a333d897e1144a8016d5c8ba153cd4db6b93de0928a2676b","version":9},{"created_at":"2026-06-04T04:54:17Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8d0bfb5c7db4a675f2f3061ab223f4c36d924986f9137da0fa870e847704de04","version":8}]}