{"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-hvbwvvy2","versions":[{"created_at":"2026-06-04T05:50:13Z","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":"2026-06-04T04:55:49Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 59.1→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":"590f4ba1f434eea159710bead8e65cca823c00305f86253a9c31c08f2659a868","version":9},{"created_at":"2026-06-04T04:55:49Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9dd21b50aa8f141f47cddd1073282b3ef28b3fc13ca6ff853d2fce08b41ab2ca","version":8}]}