{"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-d42yjheo","versions":[{"created_at":"2026-06-04T05:49:34Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a51dddba1621fa4ea825c5e7bd79f9bf0a20f0b9b0798a54b3bca8764c2a06eb","version":4},{"created_at":"2026-06-04T04:56:03Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 57.9→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"d68e3ce280aa09f4dbbda3e95c9675e7fa1a179b5b93d1a3411f3186a2e8cdb8","version":3},{"created_at":"2026-06-04T04:56:03Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"572c7e045ebd4b42031a452aa901cd8040b9ace2b57348cdabea605423835094","version":2}]}