{"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-wq012kbb","versions":[{"created_at":"2026-06-04T16:59:28Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.2->95.1)","saved_by":"editor","sha256":"3146f114ed864e1c940aeb696ad2bdaada41acfc1846833f8cd2a53e0a19eca0","version":12},{"created_at":"2026-06-04T06:04:36Z","element_count":69,"note":"GA diverse final 2026-06-04: 総合 87.8→90.2 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 90.2 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"c60fc83a2bc78072f6b00fe5dc7c02b7bdf91982811b5dd2bf60a2bb3f6770ba","version":11},{"created_at":"2026-06-04T05:56:16Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 90.2→87.8 (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 87.8 (美 95 環 96 楽 91))","saved_by":"editor","sha256":"9fa4cf03d1d73fea760236761da8384d7a8a627b57e59d196d38efabb88b21f7","version":10},{"created_at":"2026-06-04T04:59:38Z","element_count":69,"note":"GA batch-improve 2026-06-04: 総合 21.6→90.2 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 90.2 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"390af64c096ad41e9a1855c78972eebf8c69f1637690c4ee4e2d14fb06f0e346","version":9},{"created_at":"2026-06-04T04:59:38Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"578adc34fb54b3d5b9a2dc6b56c9f673a980c85dd3cb3d3c30ee75eca430729d","version":8}]}