{"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-8lckgkap","versions":[{"created_at":"2026-06-04T05:51:08Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.0→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"6b91ccd91b0b80797e134057cf8d09964ea85fc0ba231f82f68ec3341fd3f352","version":10},{"created_at":"2026-06-04T04:57:03Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 48.7→99.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.0 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"716250b3faeeb2e627c5b7189a26897e5d7348c19babd2173533070845362a5b","version":9},{"created_at":"2026-06-04T04:57:02Z","element_count":16,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1ad7f01e640febf2e661a8fe6eb59b3c007505b1bc6c0d52cdc8ab686225f8be","version":8}]}