{"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-p9vwoec1","versions":[{"created_at":"2026-06-04T17:00:46Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"7b50d83c31b46f6b71b7088c3d9e3805292926dd66d91f33359416b987bea716","version":13},{"created_at":"2026-06-04T15:25:58Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.3->92.4)","saved_by":"editor","sha256":"be82c992a247f697c0c837fe1996cc1efa3e177f3989560e91c156ec4fec22d1","version":12},{"created_at":"2026-06-04T15:25:01Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.3->92.4)","saved_by":"editor","sha256":"be82c992a247f697c0c837fe1996cc1efa3e177f3989560e91c156ec4fec22d1","version":11},{"created_at":"2026-06-04T05:53:18Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.6→92.3 (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 92.3 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"736705e8d3e3496d5ac4d91883b66e949091e1249c83a26a08e6e14c95810082","version":10},{"created_at":"2026-06-04T04:56:35Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 52.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"12016891a7c86c8b5521908152b0aa711d106c02e4249809a1dd0d34b1c5996c","version":9},{"created_at":"2026-06-04T04:56:35Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"4dcb75a84e03144f481d34adcfad0f3e86b5804c8fe00bc1af529c1dcc11a80b","version":8}]}