{"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-jk2gnkqu","versions":[{"created_at":"2026-06-04T17:01:25Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"c27d6364d270c918707bdcbbb9756735a49d130ba5a7d94ffd6081dc26cfd0bc","version":11},{"created_at":"2026-06-04T05:49:52Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.7→90.3 (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 90.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"021ac7853f7f975dd3341f11bb51a22a054d81909e1349d15434900b9df71d49","version":10},{"created_at":"2026-06-04T04:55:45Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 59.4→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"93a358bc83a536b8860b8ae436eeef098c23709f498e51b6fc86176737c781c0","version":9},{"created_at":"2026-06-04T04:55:45Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"e27e2767c350921cdd42d0cfbf95e969ebde09faab588433c124a5792a283471","version":8}]}