{"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-4ll8oogy","versions":[{"created_at":"2026-06-04T05:49:57Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.6→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"37316b4d2b754d534dd7fed26adccebfa6184f6606e33a0a0a84734714485892","version":10},{"created_at":"2026-06-04T04:57:47Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.1→99.6 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.6 (美 99 環 100 楽 100))","saved_by":"editor","sha256":"75e28afd0cd8ce692353c8f03d7ce495a109d621e9bbc1a80d11b9b4b1d36678","version":9},{"created_at":"2026-06-04T04:57:47Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5d129c6d49f0019dd3489c1e09c801ed0f0d12cc63e348f3220c034102127bd3","version":8}]}