{"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-0hesgnkm","versions":[{"created_at":"2026-06-04T05:49:39Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.9→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"03b0f5da735b4c1e0fc0e22d5e3248a9d7b3b32fa8826a3061f6e86a8a0a4ffc","version":10},{"created_at":"2026-06-04T04:53:02Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 72.5→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2a66447b9207680778b317c9d08279e910668daa8220904e0c4455b73a60eeea","version":9},{"created_at":"2026-06-04T04:53:02Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"14ac38de284ebfbaefb931642e4da3daa4156dcd7c55759855b20cf237c8db9a","version":8}]}