{"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-f3hu7n61","versions":[{"created_at":"2026-06-04T17:00:39Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"fc9f4e0f5facc06bbfc65a2980138b203c37e6111cfbca1bea54673fd785ec3f","version":12},{"created_at":"2026-06-04T14:57:07Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.1->92.4)","saved_by":"editor","sha256":"664b3a50f456cc28902ec81921cdcb98bad593780c8ebd77fb53a6d5d44f40ed","version":11},{"created_at":"2026-06-04T05:52:47Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.1 (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 92.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"13e7580ff5b1e6e6cf80fd97b44b59e7cf3dec9600ab110e097546b2f74e1780","version":10},{"created_at":"2026-06-04T04:56:36Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 52.3→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"edc9f9d9544cd66d773d71d1e1006d3c5002cef47c4ec1e98555cb48aea6c7e8","version":9},{"created_at":"2026-06-04T04:56:36Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"dc3b1d946ff051635a5af007b5cb33fdc96264c674ef091b1dc8a020a7a39010","version":8}]}