{"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-jn8undry","versions":[{"created_at":"2026-06-04T05:51:11Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 99.0→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"241df77b78f805e9f6e27134040b831e9a5ebbb34828a1245824da22f169ade2","version":10},{"created_at":"2026-06-04T04:56:20Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 56.2→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"da002905589ed118d5b001102a41776e2028683804015fb88f11973ab9c06046","version":9},{"created_at":"2026-06-04T04:56:20Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"75da60492895f94ddb669b52a21d49de4cd47dd1b3eedd3c557561356894363f","version":8}]}