{"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-uajqmg0l","versions":[{"created_at":"2026-06-04T05:50:42Z","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":"8a63312d1f45332624885f6fe93acce03ac26e148282662ef11141c31b5702eb","version":10},{"created_at":"2026-06-04T04:52:44Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 74.7→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":"bda8fdcb201f17877b0e08f33515a30c0c0bbb2e0ab991bce984819faab5c148","version":9},{"created_at":"2026-06-04T04:52:44Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"be5b2b7f44fb437072578485c5a28715e0c98aab3c7da2ec3616db02976caf51","version":8}]}