{"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-91w5b89v","versions":[{"created_at":"2026-06-04T05:49:51Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.7→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"56630baf6de179e3ad49f9d4ef84ddc8f1aaf96512e8f2664369c66b8b5a253c","version":10},{"created_at":"2026-06-04T04:57:16Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 47.6→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"11ebe4a705dd545654beb17bfed8e7667485ac2f9c7e9fb88a7afd605c9a5bc8","version":9},{"created_at":"2026-06-04T04:57:16Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"068b1d637cb8dfac6ea0428cec0b099b5169fc3607285b4e4de1187ef988b982","version":8}]}