{"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-9l2fu1gv","versions":[{"created_at":"2026-06-04T05:51:05Z","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":"2026-06-04T04:53:04Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 72.1→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":"a79beebb1f1883d50bcd760579bc29da48074f948360b1b64418d1002dff07f6","version":9},{"created_at":"2026-06-04T04:53:04Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c8a41ef5810891f2c372184f8878b7a66b3d03bf5112e89afd947cebf2413730","version":8}]}