{"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-bd2a8fqs","versions":[{"created_at":"2026-06-04T17:00:17Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (96.5->97.3)","saved_by":"editor","sha256":"2df8bd2eb316d939dc7fe80ffdd9d1e68f92f29fbeec84d329f9b5018a5b42ac","version":11},{"created_at":"2026-06-04T05:51:08Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 99.0→96.5 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 96.5 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"3b75538b15123a239d46a8a87171723612bcafc0dc0024b2d75d65b71cdc3a43","version":10},{"created_at":"2026-06-04T04:53:14Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 71.4→99.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"2e8bce228c002fe2673041d3561496ca744b70a2fb71e65263834ae748190474","version":9},{"created_at":"2026-06-04T04:53:14Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"872f1e3c1eb5733179cda1141c4b36058c49d3128a76df9c403a4ed19bc5d839","version":8}]}