{"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-g2-4se9c66t","versions":[{"created_at":"2026-06-04T05:50:51Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.4→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"5f7af662b61905df5652f7d651fa24528054a728a66d187d9ed3269fcbda062d","version":4},{"created_at":"2026-06-04T04:57:52Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 45.8→99.4 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.4 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"8ffbe0a3e061f6500a4cd5420d2c7c58cb80173f5a399c794164a84f8385e0f3","version":3},{"created_at":"2026-06-04T04:57:52Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8f3bb5273867658ce2fd3ca49ae9a99600303d5fe77ba7518e3bc5e986ddb07a","version":2}]}