{"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-5zvmunu5","versions":[{"created_at":"2026-06-04T05:51:31Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 98.3→95.1 (総2階(箱)・吹抜 ピアノ室 PV 雨水 南面サンルーム / 適応度 95.1 (美 95 環 95 楽 91))","saved_by":"editor","sha256":"44b50b6b57a5f1a83970da6e3b606e9aa1ba166bcff6c0341e032d41deb8da3d","version":10},{"created_at":"2026-06-04T04:54:43Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.5→98.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.3 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"1947f9744eafece5d90966c55eaaff81b96733824b18903edeb2c4d138c45233","version":9},{"created_at":"2026-06-04T04:54:43Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c5256fe7e5ff5be139eaf4ef21ed7ee8738b0bd3f708c82da9e5011a78001ea5","version":8}]}