{"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-oyktj5la","versions":[{"created_at":"2026-06-04T17:01:03Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"de700a037e965cd19fe423cc5d0238ac58f2c3014e98ee44c2d498edc74f3f60","version":11},{"created_at":"2026-06-04T05:49:55Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.7→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":"fa50270afd9e5e8689fa3da4fe7e1b0e19b6e1989e2554b535fd0a9a85f48322","version":10},{"created_at":"2026-06-04T04:54:55Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 64.5→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"70e44c09417d4a401de791e08bd49a3492e95a822f8d5e3ecc4c7d55cadc704f","version":9},{"created_at":"2026-06-04T04:54:55Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f6e75e03ad8af86797088fda1da6354f53ce2923e2791f23a1a4ccde87c911ec","version":8}]}