{"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-6d7wpfv7","versions":[{"created_at":"2026-06-04T05:52:16Z","element_count":99,"note":"GA diverse re-design 2026-06-04: 総合 95.9→97.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 97.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"05839cd49b308bf82d895a38094a7d801c69ed40c7fc4472adcb8551fb78fcda","version":10},{"created_at":"2026-06-04T04:54:44Z","element_count":102,"note":"GA batch-improve 2026-06-04: 総合 65.5→95.9 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 95.9 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"d4791193f643d291bd5431eef276df2116b00f647a9e5fe79841d82c5d2f9f3b","version":9},{"created_at":"2026-06-04T04:54:44Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"3333ffe61bf9e34c680622be3030b922aaaf4f14c31a2b52766f9376eacf6e75","version":8}]}