{"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-ppjyavvu","versions":[{"created_at":"2026-06-04T16:59:51Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (94.6->99.6)","saved_by":"editor","sha256":"80242e2d0d7aacc18c78fa7f2ea27b86325127f1ce6681fb2bc60c59f2f3ca6d","version":11},{"created_at":"2026-06-04T05:53:37Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.2→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":"67c23ca8cc64cbe7e4472fa38b6767a01544382027db81da3cb817d8495a039e","version":10},{"created_at":"2026-06-04T04:59:26Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 36.2→94.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"7726ed88aa190aac2dc24fd7b73d5a91a70f9d84fd3f9d0d23cf2fbc3060b37c","version":9},{"created_at":"2026-06-04T04:59:26Z","element_count":17,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"bd9dcb9d7d81adfc1083c77d8373b832a3f52f81bcce88f4678555e6e4121539","version":8}]}