{"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-821ljuq6","versions":[{"created_at":"2026-06-04T05:52:15Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 96.0→98.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.3 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"fb62949588d268c554e3b405821fdb471f5d4c466bf5891358503fa138eb0fcf","version":10},{"created_at":"2026-06-04T04:55:41Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 60.0→96.0 (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 96.0 (美 93 環 95 楽 100))","saved_by":"editor","sha256":"df07bbd2d7e0fe07b2f28f5cc85dee92e6532e97ffe6586c8c101234776b8c8c","version":9},{"created_at":"2026-06-04T04:55:41Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ad932caf117baa1fb5266ea92d4495fc077a94dd1d1ceace3d70760abb066b19","version":8}]}