{"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-i4li5phk","versions":[{"created_at":"2026-06-04T05:52:35Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 94.6→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"43e760f3cabf230f221312d13fc7670b5b3c07a5bbd13c6c0290ce561eeb8cc8","version":10},{"created_at":"2026-06-04T04:55:53Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 58.9→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"c6b6112466756e7aedcaba8995f6eb427912a4a1963ac0d6b90cbf42b8f1d3ea","version":9},{"created_at":"2026-06-04T04:55:53Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"94819f56bd4dc3d202a98ea61f7a79b4c383ffa7dde4452c04d92a7127778c09","version":8}]}