{"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-w504p944","versions":[{"created_at":"2026-06-04T06:04:37Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 87.3→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":"676f5354e3074e4c6f0de752fa4a321a405db86b44345d9dd3e50005cd89e414","version":11},{"created_at":"2026-06-04T05:50:35Z","element_count":52,"note":"GA diverse re-design 2026-06-04: 総合 99.5→87.3 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 / 適応度 87.3 (美 92 環 98 楽 91))","saved_by":"editor","sha256":"e26cec0b8c30db5f984d660dd47bea6dff9166ea598916b77520ced3562604ee","version":10},{"created_at":"2026-06-04T04:57:45Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.1→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":"e229150344e6f60d6233a404b89cbab690768cc31bbb3bb56875dd6fb5d9e0cf","version":9},{"created_at":"2026-06-04T04:57:45Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d81096ec1a39a7801838e658268dd12d8d8f8067f5f5a0e0a230bd9d7bf2011e","version":8}]}