{"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-uswrt7ds","versions":[{"created_at":"2026-06-04T17:01:02Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (91.3->95.5)","saved_by":"editor","sha256":"f561b72bc62b8f10e0719e4c4399989b94cff8f137d8c6317d27fa15fd9e02bf","version":11},{"created_at":"2026-06-04T05:56:01Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.3→91.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.3 (美 100 環 93 楽 100))","saved_by":"editor","sha256":"972e52a95cdf1299d2f0ae31a8eba7edfad96fdd7eef0b53f1db3c82ad202ac5","version":10},{"created_at":"2026-06-04T04:55:38Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 60.4→91.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.3 (美 100 環 93 楽 100))","saved_by":"editor","sha256":"d1a6585834637b1c12d03d8a2d17168e5af9691db1ca803ac2f55cedfc3ac4ab","version":9},{"created_at":"2026-06-04T04:55:38Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a826a0ddeec362b9240d17daee66d1f9e248bd91a5fe0dd99014514004515142","version":8}]}