{"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-2x2qcmuv","versions":[{"created_at":"2026-06-04T16:59:29Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.2)","saved_by":"editor","sha256":"cbaf30da3a0913412c87c7a2237949014a49a8315e07cf8b65e07731e5371a29","version":12},{"created_at":"2026-06-04T06:04:26Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 89.3→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"28300658266fb3a6b08076e841c337d6a84efe57af0fc818f4ade338eacd81fd","version":11},{"created_at":"2026-06-04T05:50:26Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 99.5→89.3 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 89.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"85e9b3f2be66616db73bc3cfcafb0f26c3773d69a1ae771b993df91a27ec5f6c","version":10},{"created_at":"2026-06-04T04:55:09Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 62.9→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":"a48d7e22f1572e83fa9ecce2f79bea500a483cc4936360464945b84d73ea8119","version":9},{"created_at":"2026-06-04T04:55:09Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ee274732af434ec9ae1beeae7b25273a9e50faf783bb6aaca609d92ae53748df","version":8}]}