{"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-2-esgs2vpl","versions":[{"created_at":"2026-06-04T17:01:16Z","element_count":61,"note":"polish: batch-improve-100 2026-06-04 (91.9->99.9)","saved_by":"editor","sha256":"16ef68b930d560f3abe5f24a90eff824ceb56a45ba4e2b7f3cec3b0f4465a4c8","version":11},{"created_at":"2026-06-04T05:53:38Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.1→91.9 (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 91.9 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"5a737e73f233a4bb7f1271843d3200c5adcfe79fb1222d7fe29eed14f1616c96","version":10},{"created_at":"2026-06-04T04:53:27Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 70.1→94.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2140df2e9ba41f1dd3756248bf40112738a19ee93e2a4f912e9617905bab1f7f","version":9},{"created_at":"2026-06-04T04:53:27Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1e671c47bd7540553ac7cba599b12347f20435930bd851f374c5a75db63a2e36","version":8}]}