{"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-npyz2n3n","versions":[{"created_at":"2026-06-04T05:51:27Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 98.4→98.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.4 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"2ba43fbe4d2a02c8d36ad96f7760570a740c4fff2b954c9308e7e8d26e669137","version":10},{"created_at":"2026-06-04T04:54:01Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 67.8→98.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.4 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"e29dfbed57d636e0737db5b179f4ce9fe0e06924e3d85baa59839d23b21ddd67","version":9},{"created_at":"2026-06-04T04:54:01Z","element_count":66,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bf17a74bd9dbebccf641f8017e1f7e12f442198d5f63aee2a7f0fd27e3853213","version":8}]}