{"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-g3-gm26q4gr","versions":[{"created_at":"2026-06-04T05:51:46Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 97.6→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6cb3eea552b68799518de9ac2069dc59f39e2272b6e78052d7bae4aaf395ed1e","version":4},{"created_at":"2026-06-04T04:55:09Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 62.9→97.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"f9ccd43fe74f1f38bdcf648009ffc088ac47398a1f46f11438eb48579a66a597","version":3},{"created_at":"2026-06-04T04:55:09Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9632d8d04e9b68950d2206a95e509e8bed697c965a8c5ee1c0397fc4e981fed6","version":2}]}