{"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-2-igp7ni3l","versions":[{"created_at":"2026-06-04T17:00:14Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.0->100.0)","saved_by":"editor","sha256":"040e024a751579b1bc508a28e43c34b9aa5fda0afd770e3acc900547b00a6b37","version":12},{"created_at":"2026-06-04T14:57:04Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.9->92.0)","saved_by":"editor","sha256":"2d2fc8b973efa75edfe0b8c9e5d8a404e8ba8ab2a36e27226c04fc18f58cdf63","version":11},{"created_at":"2026-06-04T05:53:47Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 94.0→91.9 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.9 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"8e8245e37c5a73969dfd6a7dac918c490d8552090037fc2d70041bb8617da0f7","version":10},{"created_at":"2026-06-04T04:58:21Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 44.5→94.0 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"089e0a580dde0f8bebd62c55610f4b65c5a663ecf29d86bbf4e5afcece8a3c52","version":9},{"created_at":"2026-06-04T04:58:21Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"b6c09911bb871f81860b67c61f649c31602ab2bf5e39cd4ba114d6a91798fd5b","version":8}]}