{"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-zfzehdrn","versions":[{"created_at":"2026-06-04T05:50:13Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→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":"6886082af5915beb30932f455cce9d2f4c2b6cffeb07b6fbea4113da0fd3ea3c","version":11},{"created_at":"2026-06-04T05:03:52Z","element_count":98,"note":"GA batch-improve pass2 2026-06-04: 総合 89.5→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":"20ec0e32bbb3701433114bf0c3319d8dec7dc1f01f437dddf9be4a69cc7bad53","version":10},{"created_at":"2026-06-04T04:59:22Z","element_count":54,"note":"GA batch-improve 2026-06-04: 総合 36.8→89.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 89.5 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"48b0288bf1bbc5a627a6c8a597fa16d9f2d975381c460b1096dcbe56affa095f","version":9},{"created_at":"2026-06-04T04:59:22Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2c9b88337316cd6fee0b63a0cc707450a725ccb8cc6334bf7f964c2ac9e8c514","version":8}]}