{"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-u44kbbiq","versions":[{"created_at":"2026-06-04T17:01:26Z","element_count":76,"note":"polish: batch-improve-100 2026-06-04 (95.8->97.3)","saved_by":"editor","sha256":"f130356b1fca71d8f12bf0a36e4ee06b16ce1860afb30e2f67a1ab9b25026348","version":11},{"created_at":"2026-06-04T05:52:17Z","element_count":73,"note":"GA diverse re-design 2026-06-04: 総合 95.9→95.8 (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 95.8 (美 95 環 98 楽 91))","saved_by":"editor","sha256":"e632d8b20e83995c258877d421756d86481a41bc4dd471f8b270b4302fde6207","version":10},{"created_at":"2026-06-04T04:58:11Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 45.1→95.9 (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 95.9 (美 93 環 98 楽 100))","saved_by":"editor","sha256":"aa83e15406fdf3c5226e36d1ca138d4e356e9bd5af9caaf20949651a1a6c77a2","version":9},{"created_at":"2026-06-04T04:58:11Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1868837f53de53f5f0f57bf3d49f2305ddef7100f089a193098394550236a78d","version":8}]}