{"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-cr8mijb3","versions":[{"created_at":"2026-06-04T17:00:52Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"50d85c9a2221cc96c511a4cb6b7228be05ab86416f0e40edca58ec5662f3718b","version":12},{"created_at":"2026-06-04T14:57:07Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.0->92.4)","saved_by":"editor","sha256":"6c21dba0e2e6757948d3cde081c039e5b902eaa16891664931fc7bebacd36843","version":11},{"created_at":"2026-06-04T05:54:48Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 93.6→92.0 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 92.0 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"18e52552cc32b1052a90640d73064834c2778210c2f04285923ed42bf9b6fc7b","version":10},{"created_at":"2026-06-04T04:53:23Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 70.3→93.6 (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 93.6 (美 93 環 100 楽 100))","saved_by":"editor","sha256":"8ea4e815170e6182e2323574eebdebb5182dafb7944663015d9563233844eb30","version":9},{"created_at":"2026-06-04T04:53:23Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"7f0137289ef77cd0d187098d32e78b0261f0d0a07ce6c7cc48e08496d6429c0e","version":8}]}