{"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-2dk6cpwq","versions":[{"created_at":"2026-06-04T05:50:38Z","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":"4588731d5c589769b3813496faaad3163c47613b147b2f1169dafe704bd1ee1a","version":10},{"created_at":"2026-06-04T04:56:16Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 56.5→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":"9512c8ea69bbc3f32596b36bae19d82613b24285c81200020979a2d584fb96d9","version":9},{"created_at":"2026-06-04T04:56:16Z","element_count":44,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"50c83c7888c2533e1d3aa3c114ce5d0d809bf8acf446b4f9e8079d8b2794fb9d","version":8}]}