{"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-2kaaoedh","versions":[{"created_at":"2026-06-04T16:59:58Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.2->97.6)","saved_by":"editor","sha256":"47eb91cdb2392aed0b7630e84a077d4c660b494bc21ab95fa92055ca3f5f2715","version":11},{"created_at":"2026-06-04T05:51:40Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 97.9→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 96 環 100 楽 91))","saved_by":"editor","sha256":"085b00564f73b1f488715eef9c0c5970ad8784149e7229d67f23a4c75c6635ad","version":10},{"created_at":"2026-06-04T04:53:09Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 71.7→97.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.9 (美 95 環 100 楽 100))","saved_by":"editor","sha256":"bd9e1975b9141b58aaa529d8487659239a34e404c0724dbcd606dd5bee1f8a9d","version":9},{"created_at":"2026-06-04T04:53:09Z","element_count":31,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"83cc8588fada0480d92ada1463b892af4bdfb26acbae518b8458b6a737058d0f","version":8}]}