{"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-8opldfym","versions":[{"created_at":"2026-06-04T17:01:21Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.1->97.8)","saved_by":"editor","sha256":"2af779a17418b6bff3ccdd0884a141e108f7dbdc125e5ae74dd3c9e81dbba924","version":11},{"created_at":"2026-06-04T05:55:29Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.1→93.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"a0977fe57c27535c3deab555663fbfc9a5fedad94ca71200f474c7dc6b9e9640","version":10},{"created_at":"2026-06-04T04:57:32Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 46.8→93.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.1 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"afba1c93edd4ae132eda5e33b7e7ec6f8d31363382f8a72e8e571f2279f1f98f","version":9},{"created_at":"2026-06-04T04:57:32Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"f1db63f9231cf79a80637dfc7cf71dbee8aff17e0d44c420b9c074c1d553c215","version":8}]}