{"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-l7rq249l","versions":[{"created_at":"2026-06-04T17:01:24Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.9->98.9)","saved_by":"editor","sha256":"5d5ece079df298ab0057089897aa115b537252ceead3ef528cce9d8a2e23607a","version":12},{"created_at":"2026-06-04T14:56:51Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.7->90.9)","saved_by":"editor","sha256":"23a1ed7f13e6c9de49caeecc42abbc48291c2d322f6208a7e7c38a5131128061","version":11},{"created_at":"2026-06-04T05:49:39Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.9→90.7 (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 90.7 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"77b29ba86a9261ce6a062a79f80a2f656ae68acd8daca228771eb70c9ef4b9cb","version":10},{"created_at":"2026-06-04T04:54:08Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.4→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"230a0dad34285525f25e6bafecdabacacd97e4e795b612a84190dd8b7a15d80c","version":9},{"created_at":"2026-06-04T04:54:08Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5fc4007d2a8ab9afe01f87ac1556bcfe67bdd0dd84f53739f4a1a8d8842c933a","version":8}]}