{"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-npsnpqg6","versions":[{"created_at":"2026-06-04T17:01:25Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.0)","saved_by":"editor","sha256":"b321cbdd171da66ca4f6985c87ba2b208ba88de70bc369b1890ac2052ed201ff","version":12},{"created_at":"2026-06-04T14:57:00Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.0->90.1)","saved_by":"editor","sha256":"65be4777a84ae4f2199231923fa00c56156711c6feb7c596e4a22fc513971272","version":11},{"created_at":"2026-06-04T05:50:34Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.0 (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 90.0 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"44978cfffff5cf39baeac17de7345550498b9053e46d2740a01c679c0ad41869","version":10},{"created_at":"2026-06-04T04:57:07Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 48.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"3f33a40ad83f8230574783d15353379dc993b2951040fd39c17209f74595dd12","version":9},{"created_at":"2026-06-04T04:57:07Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6e11bf6da98c20a955f9615e956af8324aca7d8edd8bc20e0c8ba4b5d9b445d9","version":8}]}