{"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-oiqbtn7v","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":"436ccd2c2c8e27b7944432bc5cbb980f005546a13833cd93dd1d2b47d66b58da","version":10},{"created_at":"2026-06-04T04:52:34Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 75.4→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":"1b1714f60e527ee3a34d1eacd53d4386c4aa3b202ae3552865757c467340d85e","version":9},{"created_at":"2026-06-04T04:52:34Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"1ca37bdfb737df5aa42fd48bf261da3f37b3587cc00a4104064f8ee5c1d3cacf","version":8}]}