{"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-zdeauy0n","versions":[{"created_at":"2026-06-04T05:51:51Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 97.5→97.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.5 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"1b0aa76174f4888ee353fb7b7e13ef8587f717b93da11d3801387be9bc27458a","version":10},{"created_at":"2026-06-04T04:54:47Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 65.3→97.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.5 (美 100 環 97 楽 100))","saved_by":"editor","sha256":"49e7e23ef9e9d05e05ca4fc829d6b8c3522dee4d86e267adad4f83bf18b5ee5c","version":9},{"created_at":"2026-06-04T04:54:47Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"24034f02cff2a0fc1beaa9b6a83de343cddd4eed4666433dca6ddda715bf1227","version":8}]}