{"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-uspd63zj","versions":[{"created_at":"2026-06-04T05:51:16Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 98.8→98.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.8 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"cbbfe140692df4f9f466d58bec12aa6eded6dba506ca61be1a3519c4e2981da4","version":4},{"created_at":"2026-06-04T04:54:22Z","element_count":99,"note":"GA batch-improve 2026-06-04: 総合 66.5→98.8 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 98.8 (美 100 環 99 楽 100))","saved_by":"editor","sha256":"a9aacf94a1f87a77afdf05e51e4a983880d843f4e578b099d4122b590e37465c","version":3},{"created_at":"2026-06-04T04:54:22Z","element_count":64,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"70ebd3c5e22e35c26f256380dced2924c74d596fb071023ce564791e9ffc379d","version":2}]}