{"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-czowoxhn","versions":[{"created_at":"2026-06-04T05:55:24Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.2→94.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f3c87cc65eb5ab42b9e0571e0d39ed2b99852dd2891ba9d23e36945201227216","version":4},{"created_at":"2026-06-04T04:57:15Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 47.8→93.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 93.2 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"3096fda4c8b9d06bafdd727ac5dd83421c4022b07223ad2b34ac48e3556133ce","version":3},{"created_at":"2026-06-04T04:57:15Z","element_count":52,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"393e8c4ce1b87999c060b8ff9d7e66b0f5208b8de872bc059fdb4346ba5f4749","version":2}]}