{"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-52ne2oqw","versions":[{"created_at":"2026-06-04T17:01:10Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.4->99.7)","saved_by":"editor","sha256":"63e8f70978396b9b1b0ba3c62c3d2d3fc4c76af8b0db2dc22f20dc836078c965","version":11},{"created_at":"2026-06-04T05:55:37Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.6→91.4 (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 91.4 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"1a880b52051ab28068cbc9191d431f9696da09466fe28d29e55441aaf2789b52","version":10},{"created_at":"2026-06-04T04:55:02Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 63.6→92.6 (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 92.6 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"98316637939109ecf88637b9dd3e0c84abfa8dae4a4f9bab723ae648da304625","version":9},{"created_at":"2026-06-04T04:55:02Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"051a11f2942ccd1f3e3e054cec6bf3cf5c13bc1274206d817fa5341e7dd7c924","version":8}]}