{"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-008kflhs","versions":[{"created_at":"2026-06-04T16:59:21Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"c624063ebcd171d4a70984e71857aefb9c6e53d5be3044e0ee74ed29218190d1","version":11},{"created_at":"2026-06-04T05:53:18Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f97e34bc5b0db354c4d51c3397e6fce50befcafac8b05f8ee9074f71d09fa6a4","version":10},{"created_at":"2026-06-04T04:55:16Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.4→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"1bf4a46c6fc51c59bcaacbfd9e051ec0e6f6aff705426479b1f08e453426412b","version":9},{"created_at":"2026-06-04T04:55:16Z","element_count":20,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3177c8c505e7f49ca297e661c8d52cceefe0ffcfaaf8a8ad6cbde29aae5d80c7","version":8}]}