{"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-5x09g34j","versions":[{"created_at":"2026-06-04T05:49:38Z","element_count":98,"note":"GA diverse re-design 2026-06-04: 総合 99.9→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"03b0f5da735b4c1e0fc0e22d5e3248a9d7b3b32fa8826a3061f6e86a8a0a4ffc","version":10},{"created_at":"2026-06-04T04:57:46Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 46.1→99.9 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.9 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ebb664de3ad1f96a450be0b622b8b04220f4c7c6f62e39108d5f64acfd69a7b0","version":9},{"created_at":"2026-06-04T04:57:46Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"73d7b5f2821c4d63e05af8100bcc3325394fb8da6bc5c13bace5c97af9cd7be3","version":8}]}