{"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-icxzztrx","versions":[{"created_at":"2026-06-04T07:22:13Z","element_count":99,"note":"GA polish 2026-06-04: 総合 96.4→98.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.7 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"6bd59b8bedf2d4cd4b5fd732ac883206348352a908d5370be931b2d6bd68c896","version":11},{"created_at":"2026-06-04T05:51:18Z","element_count":102,"note":"GA diverse re-design 2026-06-04: 総合 98.7→96.4 (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 96.4 (美 93 環 99 楽 100))","saved_by":"editor","sha256":"2454df6a779825e08bf9d7ab03ab24e5b840ce10893a9ffb2807762f1858bb97","version":10},{"created_at":"2026-06-04T04:53:13Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 71.6→98.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.7 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"91c485652b23bd707907a36d09e411a3601eff5a2b0f72573e1f3e0753b8dccd","version":9},{"created_at":"2026-06-04T04:53:13Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"0421242b474ad50ce2d81cff78c185a6723460ad075f06a9f55b69c0f5cf7ee2","version":8}]}