{"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-2snhti18","versions":[{"created_at":"2026-06-04T17:01:04Z","element_count":78,"note":"polish: batch-improve-100 2026-06-04 (98.1->98.7)","saved_by":"editor","sha256":"6a434ae4b0e4a9e60dfe0af2d5bb00e1180dfe5541c626c6e76a9e498382847b","version":11},{"created_at":"2026-06-04T05:51:36Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 98.1→98.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"be9e5e4f0e8c0a13cdedfcbca4bb057823fb5fbb56b502dc4a9310a73a690b00","version":10},{"created_at":"2026-06-04T04:54:37Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.8→98.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"50fa779f27f645718433037d9013cb850cbf3478eaa80918fdbb8bd57f4e900f","version":9},{"created_at":"2026-06-04T04:54:37Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a67dd89e25143cb5efe9ad1d872223a58e8045ed0dd22557bd35262b6dc654c4","version":8}]}