{"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-aajwccr7","versions":[{"created_at":"2026-06-04T05:50:17Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"de070beb3d9e513a289f50b7fbfa0a63f3d41677a5316e93b9dcf1d939ee1bb3","version":10},{"created_at":"2026-06-04T04:57:21Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.4→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c05ac0178924a8837dfb82af39e30a23a2445ec8ce6fda33bc7f9fd7a997e28c","version":9},{"created_at":"2026-06-04T04:57:21Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5c2e82f3165053638851a737f87e9899f2fcbba515828d9e69eb1c97d2bbd2a3","version":8}]}