{"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-jyfdbj83","versions":[{"created_at":"2026-06-04T05:49:39Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.9→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"b718a332a1901b157a3473c9338e0afae24eacb9e76661c78eb8d3560e0341ad","version":10},{"created_at":"2026-06-04T04:54:12Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.1→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"7e89070490cb2cbdd87b9c021201ba73d4eca6bfaed7692840dd45a28b0ebf6e","version":9},{"created_at":"2026-06-04T04:54:12Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8893c5e6d38863a5d634af79a96e3faee8b36c0910eb526e13abc95baacb7c9c","version":8}]}