{"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-gake-2sfa3rpp","versions":[{"created_at":"2026-06-04T17:01:31Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.4->99.2)","saved_by":"editor","sha256":"aedcaacc4c436a87ef174a3a5da3749d16da4f1131346025edff68f38f0fdf3d","version":12},{"created_at":"2026-06-04T14:57:04Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.2->91.4)","saved_by":"editor","sha256":"a6f0d029e090cbc075d7491c32b7f752dd8ace0cf1d898feff0144c6e9d6134c","version":11},{"created_at":"2026-06-04T05:55:08Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 93.6→91.2 (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 91.2 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"1ba5922c3e50a1f8c87f23c1876172dc95dba8a32fb22017b5f3b78889f6d287","version":10},{"created_at":"2026-06-04T04:58:34Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 43.0→93.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"4874c4887494fb19f63b9aa1450f7e586679224b2cd63ffd0c351cd1f8a58b65","version":9},{"created_at":"2026-06-04T04:58:34Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"51162086d4d390210aae1cd4f0786cc4629c68d23653acdffdba4192998451ec","version":8}]}