{"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-xoj45w8l","versions":[{"created_at":"2026-06-04T05:51:06Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.1→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"406d5d7349357a61dc1af8e7c78e32039568e77ebc20d518bef3f7d92bdf7903","version":10},{"created_at":"2026-06-04T04:57:54Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 45.8→99.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.1 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"6059fc2c53b8380b0d8424ed7148d53c50dd57ddd11f9c052db451739820b81f","version":9},{"created_at":"2026-06-04T04:57:54Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f3394ac6be5242320e2b60cd2a0164697b4a582cc3435001c038abbb55ec946c","version":8}]}