{"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-sudsjpj5","versions":[{"created_at":"2026-06-04T16:59:33Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"1e90e6cadbc7244d57932f02327e97c4fc504e454cfc45d4391bdde224d28b59","version":12},{"created_at":"2026-06-04T14:57:06Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (92.3->92.4)","saved_by":"editor","sha256":"18a779ccf355f2cf155c0fa90f77cc65ea797bb45dec807e8cedc5ea9fad3f8a","version":11},{"created_at":"2026-06-04T05:55:54Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.1→92.3 (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 92.3 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"0be8378abc2156fa51ae7698497da7101ed77803a4df43265d67e12c6e821685","version":10},{"created_at":"2026-06-04T04:56:12Z","element_count":69,"note":"GA batch-improve 2026-06-04: 総合 57.0→92.1 (中庭ロの字・吹抜 縁側 ピアノ室 PV 天窓 / 適応度 92.1 (美 100 環 88 楽 100))","saved_by":"editor","sha256":"02d958d18d0d3ad2a89bc4f76775c436263641ba52cdd89dd8dcac169f8e0d6e","version":9},{"created_at":"2026-06-04T04:56:12Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"90b922677f5c974fd9d332a1181106d65e5650102e4a9a6727e625594f867cbc","version":8}]}