{"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-wedm06qk","versions":[{"created_at":"2026-06-04T05:49:32Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b6c8ffa2e738a148504038f9fd9455075a0d8443274856abaf56fe2b47f07362","version":10},{"created_at":"2026-06-04T04:53:38Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 69.6→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e37b857e773fb3a80e0624691c645346f55e19ffda1d350ad997c84bb96f243a","version":9},{"created_at":"2026-06-04T04:53:38Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ba2fe45261a775898984dc8a6bdfd8001e6f1f0031571f60ef53ee807e5334f6","version":8}]}