{"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-vcyoqp6c","versions":[{"created_at":"2026-06-04T05:49:57Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.6→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"363c78d987d00781f33c55cf6dcdf351e76e663e4e5291b487fdd6f690ba3c16","version":10},{"created_at":"2026-06-04T04:58:36Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 42.6→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"a85ed81cc5b0688bff9e704b940a540ac41790343c373528c65cdd1e41bee9cf","version":9},{"created_at":"2026-06-04T04:58:36Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5c7ae3d7bc77c51229ca77d98df1b9f3df7be11f37c169d88b6a1100c946ccbf","version":8}]}