{"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-oxba429f","versions":[{"created_at":"2026-06-04T05:52:46Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"43e760f3cabf230f221312d13fc7670b5b3c07a5bbd13c6c0290ce561eeb8cc8","version":10},{"created_at":"2026-06-04T04:55:14Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.5→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"158061c4ba2787c69afe32da064c7402e610e040032a812743c2f12adc13c53b","version":9},{"created_at":"2026-06-04T04:55:14Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e7a9e25d820f816ed30280c77879c63f86c633f88aaa5ae75491365080f1f6b2","version":8}]}