{"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-n2fbkstj","versions":[{"created_at":"2026-06-04T05:49:33Z","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":"2026-06-04T04:57:09Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 48.2→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":"cf0d1e42eb8cfb1a8895c0865d6ed75c9d43ada638754502f5fb5b6716220f08","version":9},{"created_at":"2026-06-04T04:57:08Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"228ef9552cc971f4865bd53f0f065c648103a88557177c1d4e0c4c0e5112935e","version":8}]}