{"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-i2b91sbo","versions":[{"created_at":"2026-06-04T14:57:05Z","element_count":73,"note":"polish: batch-improve-100 2026-06-04 (94.6->94.7)","saved_by":"editor","sha256":"aba3a6c9ab89bd5e21a66dc67e90d552642b9c8f356ef6ed0a6de48c76579c94","version":11},{"created_at":"2026-06-04T05:52:09Z","element_count":71,"note":"GA diverse re-design 2026-06-04: 総合 96.9→94.6 (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 94.6 (美 96 環 96 楽 91))","saved_by":"editor","sha256":"b39cba8f10e87aa12c2366aed653c9239280dd581711f5b96b093b1a657656e6","version":10},{"created_at":"2026-06-04T04:58:06Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 45.4→96.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 96.9 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"0d5afcdffe6e67052c9d5488a3b32f63d3fc634ea92be6b44079e78e2de913b5","version":9},{"created_at":"2026-06-04T04:58:05Z","element_count":51,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"23b56ede6ce295b88a19dff86e8907798e5f431899ea5055a9e11d5b8289dc90","version":8}]}