{"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-pbcnap3d","versions":[{"created_at":"2026-06-04T05:52:01Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.0→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":"b438ae87ea278932c4cfc1d5a0ec7c850f6452862195621b0081f10346fe3b79","version":10},{"created_at":"2026-06-04T04:56:42Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 51.5→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":"b5b7de998c3e31dde90b341867017ffc906133548f34ab3addc19e6571d417d2","version":9},{"created_at":"2026-06-04T04:56:42Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"97df3820d95160ae3780fce50dab66b2a66fad7b9b9e80b93adda4f0a1241925","version":8}]}