{"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-t-t0xye88z","versions":[{"created_at":"2026-06-04T14:56:48Z","element_count":70,"note":"polish: batch-improve-100 2026-06-04 (93.9->94.6)","saved_by":"editor","sha256":"4ef6c54c29e0ad2af58f76e45867c3873021bcbb64da8d10d0922a145592a72e","version":5},{"created_at":"2026-06-04T05:52:22Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→93.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.9 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"95a6d062e2942e66837f0afcb0617542c1598fae4c9fcff4aa7d215578ebc50b","version":4},{"created_at":"2026-06-04T04:55:59Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.5→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":"d82c40d8b192d1c760687635fb1342089c8ba9598cfe603dc1d77f25738de305","version":3},{"created_at":"2026-06-04T04:55:59Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"35f22b3addd9122704da502983928360e55c9d07905c4168bbc6db0b04549df9","version":2}]}