{"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-pvxxnqp1","versions":[{"created_at":"2026-06-04T17:01:01Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (92.2->96.5)","saved_by":"editor","sha256":"8ecedb91d7e71271a524dd995a4a70dfd8db8ba1bcd10f514360f1bd6e42bbf6","version":11},{"created_at":"2026-06-04T05:55:53Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.2→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"255fbeb362faf273e23c1e1e7ced28bc96400f27d3970b196b15c3413ae3c37e","version":10},{"created_at":"2026-06-04T04:55:08Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 62.9→92.2 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.2 (美 100 環 98 楽 100))","saved_by":"editor","sha256":"90217060e01e8e693d670aa464289bb8b77ec96cb0f7667b0edd036d3cd2a391","version":9},{"created_at":"2026-06-04T04:55:08Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5e6654af297271c36914850e2da22a7ff14ac394cd75c1c62fe93388740b63aa","version":8}]}