{"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-feyt5fcu","versions":[{"created_at":"2026-06-04T05:50:33Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.5→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"bfd5e385d721d2489ef652f2ac327d6e80c9ff9b7696b41cc09073bddac96012","version":10},{"created_at":"2026-06-04T04:57:28Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.9→99.5 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.5 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"95b2a37f801106f7ba5de32bcd7a2486ee2e26f1cbcc669033fc3c5fb8356b01","version":9},{"created_at":"2026-06-04T04:57:28Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"caab4ced76b8a77f6ecdb95a482457dfb66e07afecb0709ebbc1608cf9efcb00","version":8}]}