{"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-np2r5in0","versions":[{"created_at":"2026-06-04T05:50:30Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→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":"773435c83e83171616898f7d9a112c7fc48720ba1e5ecd74db7301e4f19cdf8c","version":10},{"created_at":"2026-06-04T04:55:17Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 62.3→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":"b0997fa3f62497b18f6fc3954bd3b604ebff4d2b57d3380dcc0dfc08ba463355","version":9},{"created_at":"2026-06-04T04:55:17Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"98de78e739654393fc8ca8c41c1a2125404e58f35572a2b08da5358c3dfeafab","version":8}]}