{"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-rc-9oi7gaqb","versions":[{"created_at":"2026-06-04T17:01:00Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"2af1685bc520ebe4e7e51f3b59779e643a4c873ca94d5170d81fd70f1c5c14e3","version":5},{"created_at":"2026-06-04T05:54:43Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→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":"4b1f6589848b59e203a924f15470d1da18e50f886c526d99e06cbd71601bcb57","version":4},{"created_at":"2026-06-04T04:54:31Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 66.0→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":"7d3f49e608a71d10e454f6dbd0bd0172b7f509c18c4ea1b8c2083b072d7125bd","version":3},{"created_at":"2026-06-04T04:54:31Z","element_count":64,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f430950cfcf1056fa73d311219a33e02ec73b2a45d52b27258fae4416d77da70","version":2}]}