{"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-mnsuejo3","versions":[{"created_at":"2026-06-04T17:00:17Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.7->99.2)","saved_by":"editor","sha256":"317275eccc36689de5dbb613e7908671e58cde6db93bff784ce1c66a9b7b46df","version":12},{"created_at":"2026-06-04T14:57:04Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.6->90.7)","saved_by":"editor","sha256":"9ebb090b06fddc7582c453b138dd2fd81860b54b5c1e9f5956342312c69615f4","version":11},{"created_at":"2026-06-04T05:49:25Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 100.0→90.6 (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 90.6 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"1e692198b17ee333f2b936e3307a393be911aab74ca1605d3940acccf3378d00","version":10},{"created_at":"2026-06-04T04:52:53Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 73.7→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0cf050af1ad434ce796dac2a3bcf6065f9ed9ea4dcfe1fddd1765a4fd11d00e1","version":9},{"created_at":"2026-06-04T04:52:53Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c819cdfd5c49d2f68d74544d72a634bacee6ac29a7187c19230849b9dbbedaad","version":8}]}