{"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-8jpmyvcp","versions":[{"created_at":"2026-06-04T05:52:09Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 96.9→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"489e920733608015602d924659556825b17c8b5d40aee8d3070cd6370b66981b","version":10},{"created_at":"2026-06-04T04:53:11Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 71.6→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"5a9d6e5d191a8c232815988e61749d8b335583b7b15dc3c6ca6a7a0df192253b","version":9},{"created_at":"2026-06-04T04:53:11Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"26a6180eb80fe11d50de7806979e9ebdcc0c2b57384325fc26038c2c7d40c368","version":8}]}