{"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-vty8toce","versions":[{"created_at":"2026-06-04T05:50:14Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8a63312d1f45332624885f6fe93acce03ac26e148282662ef11141c31b5702eb","version":10},{"created_at":"2026-06-04T04:57:25Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.1→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"609da54e68071292360a1967b6fb19cd6934ee996f104adee98b211c1ceec33f","version":9},{"created_at":"2026-06-04T04:57:25Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"14bde4d87990b5a3c09960a4aa4c671d4745742ca581db7a6a6dce77069468f9","version":8}]}