{"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-hu0sqrx1","versions":[{"created_at":"2026-06-04T17:00:32Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.5)","saved_by":"editor","sha256":"2421c7c7378fb17c5b78410eec928e9fc5ff1b8b81b18bbef2d523a9ed275ca4","version":11},{"created_at":"2026-06-04T05:52:36Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"c639e2c446064e6da504eb15f58addaa57d7b310175a50b3e85b237b8a8ccb8e","version":10},{"created_at":"2026-06-04T04:53:43Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.0→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":"a2346d109ac72f89cf04a5d4f6ce6fcf5b68cccee33960f32446b43edf76ee13","version":9},{"created_at":"2026-06-04T04:53:43Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0992c9c4020a23b92475e27d4fe1057cff1f36eeaf1a412fa8f0d991437fa3f8","version":8}]}