{"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-73j8qat9","versions":[{"created_at":"2026-06-04T16:59:46Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->97.9)","saved_by":"editor","sha256":"d45985151b6790f640fe06457fbb291831f4cb277c6127c66793990e5c30500b","version":12},{"created_at":"2026-06-04T06:04:35Z","element_count":70,"note":"GA diverse final 2026-06-04: 総合 88.3→92.4 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"fb1e50840d83bb681310af36fca4b99816b2a6fbfeb38bcc03536e9a83865bb2","version":11},{"created_at":"2026-06-04T05:56:04Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 91.1→88.3 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 88.3 (美 93 環 99 楽 91))","saved_by":"editor","sha256":"af160b60b05dcce42efb457b02d2aa1aedbd942ea6f6604b8b2877f9af967415","version":10},{"created_at":"2026-06-04T04:54:13Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 67.0→91.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.1 (美 92 環 99 楽 100))","saved_by":"editor","sha256":"77207b1423f374e7b62204975f92edda0416863163dc8a6c708580e62147b6f1","version":9},{"created_at":"2026-06-04T04:54:13Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f854267349fe21e8ec9116e8fb88811289474f3877e1ac3832e2de689a76bc98","version":8}]}