{"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-drp4l0nf","versions":[{"created_at":"2026-06-04T17:00:46Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"c3a79ef54f5dc30c9e28b4c0fa651dc1e94dc8522da65f4b0fc4d581a582c2bb","version":12},{"created_at":"2026-06-04T07:22:31Z","element_count":55,"note":"GA polish 2026-06-04: 総合 90.4→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":"edbebbbe5ace872606ab4d74e8f37d85d2c24416006308279a269a69238793e8","version":11},{"created_at":"2026-06-04T05:53:28Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 94.5→90.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 90.4 (美 93 環 100 楽 91))","saved_by":"editor","sha256":"88fde3653fcf506cc6a0dd655d282530800f227ffaaf75adae5fbdfccd145869","version":10},{"created_at":"2026-06-04T04:59:15Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 37.5→94.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7cdd710ac99d49b8dd2e2fc192928ffdd1fee22782627fe00b0d039a4280ecc5","version":9},{"created_at":"2026-06-04T04:59:15Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"704d0f1d9cc1a6fd7b52664040aacda543472b0640baf1bb1f1e74802d625b7d","version":8}]}