{"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-wyli8x6t","versions":[{"created_at":"2026-06-04T17:01:24Z","element_count":77,"note":"polish: batch-improve-100 2026-06-04 (91.6->95.9)","saved_by":"editor","sha256":"d40c7b7198fe7584ce5b5a6aeefb58b7cb1d1b87a476274370aa695722d8c670","version":11},{"created_at":"2026-06-04T05:55:59Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 91.6→91.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.6 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"1e13ecdf5369b0d8b62231bd1ac28387fee6400a558c2f8e6789fbf5f5df2b31","version":10},{"created_at":"2026-06-04T04:54:26Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 66.3→91.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 91.6 (美 100 環 95 楽 100))","saved_by":"editor","sha256":"71b51bc2e2d235cd0eb1abde41815f297b20d5432bd8ddd85b82d4600f061d04","version":9},{"created_at":"2026-06-04T04:54:26Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"addf3bdd232d190bc59db77db38e33b142890cb34d36ba74db5ddee5e4f8f8fa","version":8}]}