{"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-yukimuro-zrw6ie75","versions":[{"created_at":"2026-06-04T17:00:43Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (94.6->100.0)","saved_by":"editor","sha256":"64566c5e974e2bf11b4ec417dac15d692f40d65d8ed02df41483c4be7395912a","version":11},{"created_at":"2026-06-04T05:53:23Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"05a23daa68d335f0be88a820fd6ee950b9fc80fe6da8e43f6e28f0f954737f0c","version":10},{"created_at":"2026-06-04T04:55:46Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 59.4→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"f8cd6d5f7e2e7d441df3feb2617b03a9d8a5dc417c8a70fdac229e684a88e3a0","version":9},{"created_at":"2026-06-04T04:55:46Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"8614a35a3c8ba4f244db489223beba638b6b73f8fb383f933ef8e16e45958d48","version":8}]}