{"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-thegladehouse-ftr273kd","versions":[{"created_at":"2026-06-27T02:37:15Z","element_count":56,"note":"5軸GA polish 38->86 by M5 (autonomous)","saved_by":"mcp","sha256":"e7c1dc59584fb5b7bb6134fa23e51c83383499fa320350a06b4aaf253851357f","version":3},{"created_at":"2026-06-27T02:34:19Z","element_count":119,"note":"loop3: 設計時延床 45.0㎡ を投入 (見積過大の根治)","saved_by":"mcp","sha256":"ab113c83427dc680be61b8a440802ab2189ef626c3b5424646ed97ed77ffc21d","version":2},{"created_at":"2026-06-27T02:34:19Z","element_count":119,"note":"言葉から生成: LDK+main bedroom+2 kids rooms+bathroom+storage","saved_by":"mcp:create","sha256":"","version":1}]}