{"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-otpuh8bk","versions":[{"created_at":"2026-06-04T16:59:40Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.8)","saved_by":"editor","sha256":"dafd01919aa5cc13a1b287bdfbb5339f331e0a9b9b7cae5d7fc2d9f4861d2648","version":11},{"created_at":"2026-06-04T05:50:31Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.1 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"18d902359d8a7e3f07b3cd8a244803b9c04341638e7c3f9ab60c7220ae284a0e","version":10},{"created_at":"2026-06-04T04:53:40Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 69.2→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":"8d964c267a84dd6d308059c30f9f54b52a463fc74eb19b327de30aecb68041b2","version":9},{"created_at":"2026-06-04T04:53:40Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"36f20a81124088e587a7d26ed089442df6e2c34cef3f27a78daa5ed7dda7701a","version":8}]}