{"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-dqagfhzg","versions":[{"created_at":"2026-06-04T17:00:33Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.9->98.9)","saved_by":"editor","sha256":"79178e0c68e6dfb8eda0c9543a01c0bfbe8f99e33a80f9c9c42a35c2b3bcdd82","version":12},{"created_at":"2026-06-04T14:56:55Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.6->90.9)","saved_by":"editor","sha256":"b2facb67124fd9d11885bee2cd88589a1bf7bad70f1fab70f419ccb1605c11e8","version":11},{"created_at":"2026-06-04T05:49:40Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.9→90.6 (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 90.6 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"1a364b5f65aee48455f77b30a0f56ea166ff25084617f8bad0a555f9d38eb0f6","version":10},{"created_at":"2026-06-04T04:57:41Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.4→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c4de131b36b07f037fb23b59914d691274ef96129f874d3fa3d480f70b297956","version":9},{"created_at":"2026-06-04T04:57:41Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"fb53fe7b503e3f8f9be8ec7e10e3d24d1e9ba8f1540b2123ca135ce4e168f496","version":8}]}