{"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-oazrzi87","versions":[{"created_at":"2026-06-04T16:59:56Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.6->99.8)","saved_by":"editor","sha256":"5b3899ad83d2dcfdc52dfc9ab06143832bc45c43ba0830581aa4cb1fb9e3eabb","version":11},{"created_at":"2026-06-04T05:55:35Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.8→91.6 (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 91.6 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"1d6ae3c91e1e6703266178f80c163b7192ed8edb5d3cbf8ded6cab715c4f34fb","version":10},{"created_at":"2026-06-04T04:59:24Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 36.6→92.8 (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 92.8 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"de68d2656d2baf4e2b2a502fed20eeef59e24116095bda9ee31b5419ebca2188","version":9},{"created_at":"2026-06-04T04:59:24Z","element_count":19,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0508022f8b872353325496ba4f1ecf65b1650ce197875419096922507827a1c0","version":8}]}