{"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-l4vwjhed","versions":[{"created_at":"2026-06-04T05:50:25Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→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":"b68ad027be4db0073b79dc6e502d6bed2ab359fc54764a2cb3c5668214dd86b3","version":10},{"created_at":"2026-06-04T04:57:25Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.1→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":"5807ca8ce4a6f2c13dce6d03d1e5b1e1c4f864386c55bd06e70f7d7bf9136ea3","version":9},{"created_at":"2026-06-04T04:57:25Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"14bde4d87990b5a3c09960a4aa4c671d4745742ca581db7a6a6dce77069468f9","version":8}]}