{"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-51507kgm","versions":[{"created_at":"2026-06-04T17:01:29Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"fc9f4e0f5facc06bbfc65a2980138b203c37e6111cfbca1bea54673fd785ec3f","version":11},{"created_at":"2026-06-04T05:53:03Z","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":"2197bc3239e5d0b75c9110bdc6e81c55c95743e0bd9823118570818ff3ff2707","version":10},{"created_at":"2026-06-04T04:59:15Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 37.7→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":"8f963c6175d46fe0b7fec1804ed1b15a19f91e02a0963e11a43c0aa3b183a39a","version":9},{"created_at":"2026-06-04T04:59:15Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d788b1893ada09ce7652276cb1f150a6f8f8f8ed0f63b2ef0e48a5c2fe336aa3","version":8}]}