{"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-apim8wyp","versions":[{"created_at":"2026-06-04T16:59:38Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.7->99.2)","saved_by":"editor","sha256":"b78e2065ba60bcb36c9bd4f57f820239d626ade928d7ff883d6341e89dbceb5b","version":11},{"created_at":"2026-06-04T05:49:25Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 100.0→90.7 (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 90.7 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"bc17c2d3fa86c02ed95a8203ed880c648964d843c3eafb407142073e4529ad99","version":10},{"created_at":"2026-06-04T04:58:24Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 44.2→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8b515f7049147f07f10af6c6a4814b30ff499d7efc4fc3b4f7bbe98daddbe8a9","version":9},{"created_at":"2026-06-04T04:58:23Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a3d86cf7565ce07b8060de64705cf62c3ffddf9f67e10c00aafa01ab972cfd3b","version":8}]}