{"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-4ljcr2hl","versions":[{"created_at":"2026-06-04T16:59:41Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.0)","saved_by":"editor","sha256":"26cf31890bf27b01e3da7be5245e9b23d35553b5eb9f37bd2f255c435900f4e3","version":11},{"created_at":"2026-06-04T05:50:32Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→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":"99dc49b233565e9d2a931adde66fc8a216824b630738c42999ae6404eb9d70ee","version":10},{"created_at":"2026-06-04T04:59:20Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 37.1→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":"197cc930a13082c07bc8c656da0fa667939f007cb70ab1cc36b4207099dea0ad","version":9},{"created_at":"2026-06-04T04:59:20Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ec419a82cd70bff35f4c26b060e87845d1e231893a326803e5b75cb341370e38","version":8}]}