{"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-um1fll5p","versions":[{"created_at":"2026-06-04T05:51:42Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.9→97.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0116b7a2c36564d952906e7e848334e2db0ab905a01662ea320fa78582fc7bd1","version":10},{"created_at":"2026-06-04T04:55:38Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 60.5→97.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d7604e8d5d9c123ba4b0b0174d2246e79da151f5822c77c211af2c9ae973c802","version":9},{"created_at":"2026-06-04T04:55:37Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3f965f6828d951954b15b2c498d5d0ea77e4abd6c970914a85baa3518aac8d8f","version":8}]}