{"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-5xqeaxa2","versions":[{"created_at":"2026-06-04T16:59:57Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.3->98.3)","saved_by":"editor","sha256":"fe65ad5a9b498e869a2849f679e68c2df0f467e078f808f1edb6160518c16778","version":11},{"created_at":"2026-06-04T05:50:46Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.3 (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 90.3 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"3d54436eff3ff63db7a2a571ee84db2760ef4072a04dd52acb69710ce0c2c997","version":10},{"created_at":"2026-06-04T04:54:19Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 66.6→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":"c00dce7dd270d40bcbc29341471904dda1660d4b7367705628a8fa8bb0a18640","version":9},{"created_at":"2026-06-04T04:54:19Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4f1f46cb940dadcfaf794f413ff86d69d4ef46a461f422d526668244c4e8fbc0","version":8}]}