{"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-13erxhuw","versions":[{"created_at":"2026-06-04T17:00:24Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"2243d7d84b1c2f0b248932fe575f99cd861a11cfb6dfbd921bb39f4463f8b281","version":11},{"created_at":"2026-06-04T05:53:07Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"a48d4bfca4f32ed2a913073ca52cd7dc50800090adcd6654aa1094a6067f4d65","version":10},{"created_at":"2026-06-04T04:58:33Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 43.2→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"003bd09d309611f500cc3e909cc43349f651bf9aa37971ec67fa6f5f71d53cc1","version":9},{"created_at":"2026-06-04T04:58:33Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e8a36869d5dcc684190dfb9690ce3bb657b2fbf8082e3e6a6fc47d5202b389d6","version":8}]}