{"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-cqsbaeyi","versions":[{"created_at":"2026-06-04T05:49:40Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.9→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"91161d29717f4913ceb8dd4a5f25f5f77f2a8f48b1df2d363f1df56112344e5a","version":10},{"created_at":"2026-06-04T04:56:45Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 51.1→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"533db9750bd11fc91386efce8ae621ad42ac34d36315e8ca48b54f9f52672fd8","version":9},{"created_at":"2026-06-04T04:56:45Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"398dc123deb74f1bb378f5c3e37699b2184e5eb569e8e9bb2245b0e248cc7f2d","version":8}]}