{"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-utze1bjb","versions":[{"created_at":"2026-06-04T17:01:17Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.4->98.7)","saved_by":"editor","sha256":"fbfa3ab3ecc2ad689f3d87a266514e432fab02ef4e8103152b00592531658e5b","version":11},{"created_at":"2026-06-04T05:51:56Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 97.4→90.4 (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 90.4 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"167e73e254b93759e6edb9b526f86099c411f2a18dd296062e508a1e199a9e0b","version":10},{"created_at":"2026-06-04T04:53:00Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 72.9→97.4 (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 97.4 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"2051fa0c715299d3e0dce612cb63459a746ef45df7013df5e32a746d4e77a11b","version":9},{"created_at":"2026-06-04T04:53:00Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a7c779eefd0c1665ddd521187eb1797b5e041059130f32e654ce86a29fffcdc8","version":8}]}