{"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-j3z36e95","versions":[{"created_at":"2026-06-04T05:49:36Z","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":"7f00c82a8d9deeb5c2f709f67298955cd7f3201bc5e2b1d20a8c6bb14a4a43e1","version":10},{"created_at":"2026-06-04T04:56:39Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 52.1→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":"58c83174a1cd11357869628f91fad4f01a4cf4463b1f8fee049ef676998ce047","version":9},{"created_at":"2026-06-04T04:56:39Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"084a6c1189257bc11b81bdaccfa3b32210d5db341f97943c471b0479f585040e","version":8}]}