{"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-thid5i1i","versions":[{"created_at":"2026-06-04T16:59:39Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.4->98.3)","saved_by":"editor","sha256":"a5ea590042cd28fb39ba3ca977138a3352cc97e74295b2abcec6a441315b7f8a","version":12},{"created_at":"2026-06-04T14:56:59Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.2->90.4)","saved_by":"editor","sha256":"042e62862e95cae67c3e1e860f7d43b1f03b3009378e15976196427746e740e7","version":11},{"created_at":"2026-06-04T05:51:49Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 97.5→90.2 (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 90.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"5e5b6914ef17f06d28e9f598efdb19094b1784282a74a9a8965e84ba0740d75c","version":10},{"created_at":"2026-06-04T04:53:59Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 67.9→97.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.5 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"bcbb89b9874b99e95c047d2ad458525bbf9448206afb08587b2f62887fb8cc5b","version":9},{"created_at":"2026-06-04T04:53:59Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"aea1fb2b71759f4909b9106e868a1c32317495ae4fb0a6d1beea6c554fbd9369","version":8}]}