{"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-b4r2fzzx","versions":[{"created_at":"2026-06-04T17:00:27Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.3)","saved_by":"editor","sha256":"034bd25a1db1c36314bf631bedb737f9eb2092c302f73114d7930f634f008838","version":12},{"created_at":"2026-06-04T14:57:08Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.0->90.1)","saved_by":"editor","sha256":"dda3535919ff341eec22772cac63fd13d4c493cbead2a95373031f8b82b8b393","version":11},{"created_at":"2026-06-04T05:50:01Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.0 (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 90.0 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"0049c4f271a06f027fa0972fda7f8f41943cae204350a4841dbc9953f78c9b3b","version":10},{"created_at":"2026-06-04T04:54:21Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 66.5→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":"bd979bf4c7d307660ed9d743afc85b082b06629d174d394084c048b1595c955d","version":9},{"created_at":"2026-06-04T04:54:21Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1c9c59d7acd2840aef62069dcc461c3935cce54cddd9061e34500ed23df5eb24","version":8}]}