{"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-8cmi0iix","versions":[{"created_at":"2026-06-04T07:22:09Z","element_count":98,"note":"GA polish 2026-06-04: 総合 97.0→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"94840070a681f3158655b20040176c27f1a86a95514d33f624e7c83e75f22b65","version":11},{"created_at":"2026-06-04T05:50:28Z","element_count":101,"note":"GA diverse re-design 2026-06-04: 総合 99.5→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"909cebfc9f3b331a497760a4e7240206a6e617853861685d3b71dbae0e16dc61","version":10},{"created_at":"2026-06-04T04:54:58Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 64.1→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c25112828a87093db018f6400dde782ea999c85d0e092f9ab00db7fe7da39fd6","version":9},{"created_at":"2026-06-04T04:54:58Z","element_count":28,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"6681fd0ae59610894505481ad9bec5222ff7940a28700dc7480d5a7af5478f30","version":8}]}