{"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-j7t78d9g","versions":[{"created_at":"2026-06-04T17:00:27Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.2)","saved_by":"editor","sha256":"22cf84a21e0e4e45e965deba485c041e7f9edf75b87da85a66a5949b427df81f","version":12},{"created_at":"2026-06-04T06:04:20Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.6→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"3aeb1c43bec406a93279966d87597d834d91a482cbc03d9903df447b1374aa4a","version":11},{"created_at":"2026-06-04T05:50:07Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 99.5→89.6 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.6 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"6228fa599a99159a25fd76b1de00af31685c04bd4107ed96b2a3e5b54cfddb68","version":10},{"created_at":"2026-06-04T04:54:40Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 65.7→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"559e1f050f3279fbb14aac486013f372768cc76b12c724aa2cf5047ffbf60781","version":9},{"created_at":"2026-06-04T04:54:40Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"00960a78fe079b84d6e63787162b51b7bab9ae6db60f1cb1dc1d782e19c6e9ca","version":8}]}