{"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-qhbro6do","versions":[{"created_at":"2026-06-04T05:53:27Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"90c3f1f15363e02f37e2696cffe08f372d2656ededaf75d2153677e31eaed021","version":10},{"created_at":"2026-06-04T04:57:24Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 47.1→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0ebc9c7051d7621a9e2424501659ae5dbe863ee6ae385a5ef8a91aeb27a8756b","version":9},{"created_at":"2026-06-04T04:57:24Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"122ec217008617adf5a0332ecae3d3d1621c05c88a77b8a3dc446552526981de","version":8}]}