{"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-engawahouseauedition-s7pw4wap","versions":[{"created_at":"2026-06-04T05:51:27Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 98.3→90.6 (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 90.6 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"4a9c1b2d6571c939be4da4e03411add8dfa60d996806a6fd9b19f418bd893b68","version":4},{"created_at":"2026-06-04T04:59:40Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 16.6→98.3 (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 98.3 (美 95 環 100 楽 100))","saved_by":"editor","sha256":"d07e1663594d6761367ad984c5da758e1e3a427327bd93a34ab3bb87fbae3e20","version":3},{"created_at":"2026-06-04T04:59:40Z","element_count":60,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"dc316c564de08ca3fe92720d59a4dcea28d707da52771de48b99de2b23df17c1","version":2}]}