{"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-w5jklp8p","versions":[{"created_at":"2026-06-04T16:59:49Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->99.1)","saved_by":"editor","sha256":"dc689044024c3b656620a9f12f944382abc3be48b1653e5b6e0f31668c4532fd","version":12},{"created_at":"2026-06-04T06:04:31Z","element_count":55,"note":"GA diverse final 2026-06-04: 総合 88.4→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"327000ce6c558630cca6a33a30c947eaa4265cd7dca1a1d392b2422ef86db384","version":11},{"created_at":"2026-06-04T05:52:01Z","element_count":53,"note":"GA diverse re-design 2026-06-04: 総合 97.0→88.4 (総2階(箱)・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 88.4 (美 93 環 100 楽 91))","saved_by":"editor","sha256":"481aec2ca2464ac3fb529d53a3efbdf62b0798e6bf995e6d929e2908adb8cf4e","version":10},{"created_at":"2026-06-04T04:56:14Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 56.9→97.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 97.0 (美 92 環 100 楽 100))","saved_by":"editor","sha256":"ac8681bfa158b5e24cce56570f420c69425ed826ad2a4e388925dfe60a57db86","version":9},{"created_at":"2026-06-04T04:56:14Z","element_count":24,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"d6649328cedc7345416a76142eb7aabb92fc38c2dcaf0833e24b20549ee6e187","version":8}]}