{"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-uwoterrc","versions":[{"created_at":"2026-06-04T05:51:22Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 98.6→98.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.6 (美 99 環 99 楽 100))","saved_by":"editor","sha256":"60702894a2077384ae698cbfc262f89dc09349089177a78821395e65f9d001ec","version":4},{"created_at":"2026-06-04T04:53:52Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 68.5→98.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.6 (美 99 環 99 楽 100))","saved_by":"editor","sha256":"74b859d9a9df6dc3f85572b3e7aebf6322adb5669c104bb19d076f913b12592c","version":3},{"created_at":"2026-06-04T04:53:52Z","element_count":93,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d5d9c35852fc9102fd43b9f7ea86b448b1a378cd8f92868808fdffa822e5ea41","version":2}]}