{"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-7xp9y6z6","versions":[{"created_at":"2026-06-04T17:00:48Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.0->96.2)","saved_by":"editor","sha256":"0555a13795dc1f472f1373b4bc4c5d6f7dbe91fa578ddcded61de79392e30907","version":12},{"created_at":"2026-06-04T14:56:56Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (90.3->91.0)","saved_by":"editor","sha256":"0f55cecce7e0c3c3de3a294b7c8bc577c1cc0e3edbfdb49e6f005a8c9082fed6","version":11},{"created_at":"2026-06-04T05:56:06Z","element_count":72,"note":"GA diverse re-design 2026-06-04: 総合 91.0→90.3 (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 90.3 (美 94 環 98 楽 100))","saved_by":"editor","sha256":"f90a5c75a53d9a9f7f669cfeab28377cb01c8b9f6c7e8771f5fb7aeb8231e799","version":10},{"created_at":"2026-06-04T04:54:42Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 65.6→91.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"c91389517fdc5f3b80e610c1e96905da8a42cacb63cf0cb4dc65f206373da298","version":9},{"created_at":"2026-06-04T04:54:42Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4552a381652979a9aa98b2b66d3e4fcefc27b79608576e3531b5ff055662fcfa","version":8}]}