{"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-2-o6au9gxr","versions":[{"created_at":"2026-06-04T05:50:53Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.4→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"44757de8787738e3635eae5810c60c961e96611670d9253fc796ebd85ba70937","version":10},{"created_at":"2026-06-04T04:58:28Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 43.6→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"e7c9ac33429130f53e2314b2fb33d0d3ef9523858d0075a3d56254267737a482","version":9},{"created_at":"2026-06-04T04:58:28Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"895fbc065f136749241b97be44d3b7ff84e0ccff829c33828a7cca7b1510dd99","version":8}]}