{"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-cl1g9la3","versions":[{"created_at":"2026-06-04T16:59:49Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.1)","saved_by":"editor","sha256":"07cf07a51002423942305db840573775366de698225c32ef34e92a6484ab9b04","version":12},{"created_at":"2026-06-04T06:04:16Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.7→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"5fd925bdf86e00ba6750cce2c7bd337b9480671223ae1fe63febc1a4695759ad","version":11},{"created_at":"2026-06-04T05:52:05Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 97.0→89.7 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.7 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"f2573a200a291c8dde9d357b8bed9b80c6f259d590be4b995efe9e8a645d848b","version":10},{"created_at":"2026-06-04T04:53:18Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 70.7→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"90ef051b50c185abcf5bd988a8e9c24a4f416bcfa302e8f1b3e24fb953e676ed","version":9},{"created_at":"2026-06-04T04:53:18Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"86e4ddc3dc3fd8052cb54d3c3124c315b495d6c507e018e67b93b7c118b0fc0c","version":8}]}