{"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-si82icwx","versions":[{"created_at":"2026-06-04T16:59:40Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.4)","saved_by":"editor","sha256":"eec79ce11ba3f462d14505c4be97c6b69d2fb83eacebbeb0a835fea6f2871a49","version":11},{"created_at":"2026-06-04T05:50:12Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.5→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"89bbb30751ee9253bbf117d3b68d8266653e6ce66c9066bf907dcb68217a0e92","version":10},{"created_at":"2026-06-04T04:57:33Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.7→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e8ead7b1594a6bbd771637e051f84f68b36a522c3a42c92e0936710c0d05bbad","version":9},{"created_at":"2026-06-04T04:57:33Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9d7bdcf15b0864f86b2e0e3ea8e710cfbdafa3382dde3fc960e9b8b012c0ee02","version":8}]}