{"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-lxs9nep4","versions":[{"created_at":"2026-06-04T17:00:34Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"a47fe61d09df9789cb49a31bd352fb415138d2b8597a8001e7a640cd45389619","version":12},{"created_at":"2026-06-04T06:04:11Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 90.0→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 94 環 100 楽 91))","saved_by":"editor","sha256":"e5bc0cc2586c7331c19e12c3358abb962fe8b1082c17c20e0dcf323f93f92421","version":11},{"created_at":"2026-06-04T05:50:55Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 99.3→90.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 90.0 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"9d88a796944c9620a30697bf84262fbfd1b5852161f60311ec69ac21672fa624","version":10},{"created_at":"2026-06-04T04:57:17Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.6→99.3 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"94d56effdcf399c92a2b5bb304469f54934e7e1fb1af72ceb5774c0f0f4cc4b3","version":9},{"created_at":"2026-06-04T04:57:17Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a8eb6de2d75e577adae859c704f231a0cb7fc696f58b25db920b2dec8842bc19","version":8}]}