{"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-5po055jx","versions":[{"created_at":"2026-06-04T05:49:26Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 100.0→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"8cd8f229b09b8c6bb631d2ad847db252783faa03401600872b6583aff1c84d91","version":10},{"created_at":"2026-06-04T04:55:04Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 63.4→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"30d4d20331748fabc4053750e11b7f806554e4982147e17d32ad3f69fe402713","version":9},{"created_at":"2026-06-04T04:55:04Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"a8818203034a8a7afbdde11c0dc3206df17307329e812f5eb4e3687a3e710737","version":8}]}