{"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-fklm3pqe","versions":[{"created_at":"2026-06-04T05:51:00Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 99.3→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"09d47d1f113a9d9a305b6de792aeedd8e6ec7dd95ced76b7bbac372c59a9fbd9","version":10},{"created_at":"2026-06-04T04:56:24Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 55.9→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"362c2219a9c3b14e4fbed655ff8574645416da473dcba3bdece93bb103d2a43c","version":9},{"created_at":"2026-06-04T04:56:24Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ee5e029678ca0e523a059380cc8c5de18a5a0f55de3ba605d153e89852ad9964","version":8}]}