{"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-esb40rfj","versions":[{"created_at":"2026-06-04T17:00:26Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->99.0)","saved_by":"editor","sha256":"44f7a2322158fb0504e0d1c6f8a723da4995ed377b4ebae67c829f895fc0a4be","version":12},{"created_at":"2026-06-04T14:57:08Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.9->91.0)","saved_by":"editor","sha256":"969255f0c30de4a738332d887fb34658e947c31e640063ba174de8dc8c137b0c","version":11},{"created_at":"2026-06-04T05:49:43Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.8→90.9 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.9 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"ad399916b341b7155d645c05810cee719cf4b9763b705125f4817ec8dcea4955","version":10},{"created_at":"2026-06-04T04:52:58Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 73.2→99.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.8 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"ce086210cd3a60fb0eddda6745324ccdfd667a071533ea4ebd8a43503597814e","version":9},{"created_at":"2026-06-04T04:52:58Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e301a314e2dea058c4252be1c02889f31d3bc94e85ec0d4d2ae65e9fff858fbb","version":8}]}