{"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-svl6mmf5","versions":[{"created_at":"2026-06-04T17:01:00Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->99.5)","saved_by":"editor","sha256":"7eaf5ebed538d78c19308d002cbbb331bff9b1edaf0d66f752c35671c2b609a4","version":11},{"created_at":"2026-06-04T05:52:33Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"35ef8e4fe679f4e0626d8cea832183bdec0d9aaa27b80444e3e04148b8617ced","version":10},{"created_at":"2026-06-04T04:53:43Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 69.0→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":"82ea9568ca24878afe5f42e1b0e1f822c4b61bd12b32c82a41d51989cd04c98e","version":9},{"created_at":"2026-06-04T04:53:43Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0992c9c4020a23b92475e27d4fe1057cff1f36eeaf1a412fa8f0d991437fa3f8","version":8}]}