{"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-gfgtuogr","versions":[{"created_at":"2026-06-04T17:01:03Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.9)","saved_by":"editor","sha256":"64842e0bb161c54c62a20f76d38a6b4e75642086390b000d3d382ae14daa4986","version":12},{"created_at":"2026-06-04T06:04:10Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 90.0→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":"ff1b4903eec91aed4d328dddb9d38c29dac0836c55614d0c453effd7d9b274af","version":11},{"created_at":"2026-06-04T05:50:20Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.0 (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 90.0 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"f481393bcfbc50ac2b874073b6aa4e6ac80dc9009653093beb18755241bce561","version":10},{"created_at":"2026-06-04T04:52:43Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 74.8→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":"84ebe97f246d03acc0ae96015c95e2bb17a4771d22fef85a7fad420d95293971","version":9},{"created_at":"2026-06-04T04:52:43Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"094b62887990b3aa1dddeaa3e6cbdc2f49d1f175e537c5ee28e9b26a90a141f2","version":8}]}