{"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-d8ged1dg","versions":[{"created_at":"2026-06-04T17:01:11Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.9)","saved_by":"editor","sha256":"e404bc9cdaca22fc05ce1303f64fa29f9a21bc208c8376d129452b214fe8d0ff","version":11},{"created_at":"2026-06-04T05:50:14Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"d7454d7105e1bb414716a6d8196c1d7e1a9b05ab68a497de3652cf6bd9329da2","version":10},{"created_at":"2026-06-04T04:54:57Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 64.3→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"513703ccfee354d954808f77fba255e8dafc0794dbae748b692964cc4dad653c","version":9},{"created_at":"2026-06-04T04:54:57Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e3eed224ac06477167140fdfc89dd9dff04fab2914764ed7c627d3df241de7b9","version":8}]}