{"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-bmptiojk","versions":[{"created_at":"2026-06-04T05:50:59Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 99.3→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"da04cbfba2c1a33544392cd1920656d21af6ca4e457ae96cfe497b2123ab478f","version":10},{"created_at":"2026-06-04T04:55:28Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 61.4→99.3 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 99.3 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"9ef51dce3289c7c1df219bfb9e263127a7917ce7d85cecd70d981c65b2c4688b","version":9},{"created_at":"2026-06-04T04:55:28Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"24cff14334052e73efb501f9e97474ddcac20622c69ce8a72b45bbf5fdfe8f31","version":8}]}