{"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-vxbhexx7","versions":[{"created_at":"2026-06-04T06:04:15Z","element_count":99,"note":"GA diverse final 2026-06-04: 総合 89.8→99.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"149771aeeec61b85c68cfb24fd666f830635ab9175536fe8b776ca421609e4d9","version":11},{"created_at":"2026-06-04T05:50:55Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.3→89.8 (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 89.8 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"658abef9951555495b3a0cb5080b6f24e9a1bcfee055d4ca8ba83d2d965e8963","version":10},{"created_at":"2026-06-04T04:53:04Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 72.1→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"40483145db7d7acae7310dfa878a1df6369a6508cccdc8d424fb202b4a6d5586","version":9},{"created_at":"2026-06-04T04:53:04Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3bd93552b239e7e4a1d6f81fe8d2d01f2884de5cac723f898360758f870e2715","version":8}]}