{"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-rx3amb4m","versions":[{"created_at":"2026-06-04T05:49:29Z","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":"9d323dfa4bfa77d9d26ed14cfe4fb38e42d0733aa1dd8afcbfec492c754fc364","version":10},{"created_at":"2026-06-04T04:56:47Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 50.9→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":"e838d0cb0ec91b71ad2d593a0b216ded28ee52d20030b77ed2c2a32d76755277","version":9},{"created_at":"2026-06-04T04:56:46Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"072db4528d311be8b23ca441aa9ce9d7c8735fc38cd28d86e35b65353c82599d","version":8}]}