{"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-z54qvung","versions":[{"created_at":"2026-06-04T06:04:37Z","element_count":98,"note":"GA diverse final 2026-06-04: 総合 87.5→98.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.8 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"bae7010976eb36726ef81fd702888a07290e924449f55fad09a5f01d6379277b","version":11},{"created_at":"2026-06-04T05:51:16Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 98.8→87.5 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 南面サンルーム / 適応度 87.5 (美 95 環 89 楽 91))","saved_by":"editor","sha256":"719257fd18854449a34f5a447416e115dd91c6156341c67722cd9467adfd1d8b","version":10},{"created_at":"2026-06-04T04:55:33Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 60.9→98.8 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 98.8 (美 100 環 96 楽 100))","saved_by":"editor","sha256":"45ca9f81762644471e8bfba875916f663e64c9a8b8d8ade9c8ddd9f760d3fc8e","version":9},{"created_at":"2026-06-04T04:55:33Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"24d7ea934262175dcb492569ef784571de2d07beaf4915214dd7fe8381e297ca","version":8}]}