{"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-v306ps7q","versions":[{"created_at":"2026-06-04T05:55:35Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 92.8→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"4c9a732c43589aad20de6204e04d12ad23fa1058386e560d670aee9d14be7bce","version":10},{"created_at":"2026-06-04T04:57:39Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.4→92.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.8 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"cd31bffb263791db2ae8e73cbd5e2e50021c8b18c7d7e83003a80627081a1626","version":9},{"created_at":"2026-06-04T04:57:39Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4b8c4b603679e569a45b82e5c7eed4c51533a5d77f1654f50232b40b9158014b","version":8}]}