{"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-dms0zaq8","versions":[{"created_at":"2026-06-04T05:49:32Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→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":"436ccd2c2c8e27b7944432bc5cbb980f005546a13833cd93dd1d2b47d66b58da","version":10},{"created_at":"2026-06-04T04:54:51Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 64.9→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":"f04aae71a79ff0aaaab97da2eeb6482cd79d7f07c98812618ac9bde3748625b1","version":9},{"created_at":"2026-06-04T04:54:51Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"952c65e0c073613b6a9c95975d88458b3f8a031079053bbef336aa4caf8b8b84","version":8}]}