{"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-mos1q69h","versions":[{"created_at":"2026-06-04T17:01:14Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.5->98.7)","saved_by":"editor","sha256":"a3adfcd7113e5b2edfc52bfca3f9ccc2a31266e476b267f9f9b8e64fef13c340","version":5},{"created_at":"2026-06-04T05:55:09Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.5→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"649aea989495bfbd75904a01bff9a1f5901f3018afb0874e4fa9c505d27c947f","version":4},{"created_at":"2026-06-04T04:55:42Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 59.7→93.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a3d5abbc1d9bb29789d050c640e36ad40cafac9824f09217b1d04a9d1701794b","version":3},{"created_at":"2026-06-04T04:55:42Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"29f1d3ea80de9be7f0b9b1552953bf0b7b3d36334d804bb39afe7ee86ebb76d7","version":2}]}