{"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-8mwofwae","versions":[{"created_at":"2026-06-04T17:01:06Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"cf54a6fab8b72b3c7d45615265bd6ca6cac5de95135192593e34d5d313daf10f","version":12},{"created_at":"2026-06-04T07:22:21Z","element_count":70,"note":"GA polish 2026-06-04: 総合 93.6→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":"1f640667a1a4803c1566ca1c7be65660466d051b5e1644c710188caefc1f0470","version":11},{"created_at":"2026-06-04T05:53:13Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"c3404142d66a354e1c1ae013afc61b8f1cdf88e8d346a19549eff75b152034a1","version":10},{"created_at":"2026-06-04T04:53:24Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.3→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":"2ebbb9a92af1d7620002eb78f1172a3c84458a279019139aeac4e22056abc303","version":9},{"created_at":"2026-06-04T04:53:24Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5cb37489696a33a44b4caef514c4af0a70fdf4b5ee99c921f7b0a605776deff1","version":8}]}