{"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-f53gteuq","versions":[{"created_at":"2026-06-04T06:04:24Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 89.5→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"8d289a69d742c53b0705206d2e3fe71b5c03993418c2d8c72b6d8c0558aa2f83","version":11},{"created_at":"2026-06-04T05:50:52Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.4→89.5 (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 89.5 (美 94 環 97 楽 91))","saved_by":"editor","sha256":"5fcdeca4d41cc254352bb21c3f13d6bef3c0e96ffe7054a3a942f97ecca894f7","version":10},{"created_at":"2026-06-04T04:53:05Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 72.1→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"9d7e3ae605eacd30ff0eb36218bca9e065a1bb1cf98d10b071057ca64b621632","version":9},{"created_at":"2026-06-04T04:53:05Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e209962985024db8700a3b7aca89f2b4b47801c22c66d32e634b283b8ab03cd7","version":8}]}