{"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-3nuwexla","versions":[{"created_at":"2026-06-04T17:01:38Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"006b8bdf5047d8240ea2f909520ce0abd947f5eecd9a35265499de82470f9f8e","version":11},{"created_at":"2026-06-04T05:53:37Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.2→92.4 (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 92.4 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"964d2cb4ec31952274abc7a2128efa3232f8fb08ff3ba7e2ae5f3caee094cd8f","version":10},{"created_at":"2026-06-04T04:58:25Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 44.0→94.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"e6a85abaa6abcb612783a981fd21f8a595cd5cb53a6f95c092c18bb05ef73076","version":9},{"created_at":"2026-06-04T04:58:25Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"54f42ddd7ac1dab32f0af1e4c73a1ae9b65ba9672cb141c420716ba15515e043","version":8}]}