{"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-42alvpet","versions":[{"created_at":"2026-06-04T16:59:37Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (91.2->99.4)","saved_by":"editor","sha256":"59b696e08802cc55be4940ded675b6199fbe13aaa10388b9635d40be1017c261","version":12},{"created_at":"2026-06-04T14:57:08Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (90.8->91.2)","saved_by":"editor","sha256":"31db2075ff5119a3c4a81af03011734a55b6856997172691e3bdee1d415826c4","version":11},{"created_at":"2026-06-04T05:55:47Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.5→90.8 (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 90.8 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"12d154a19d2ea83ce6ea03fffc0c365f061a3d4b8b149b137af2d73ecbacfe25","version":10},{"created_at":"2026-06-04T04:55:04Z","element_count":72,"note":"GA batch-improve 2026-06-04: 総合 63.4→92.5 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 92.5 (美 94 環 100 楽 100))","saved_by":"editor","sha256":"838682f7b1de19100e145c02bb9130275301daa13ba8ccb6724bdf4c59b44cb3","version":9},{"created_at":"2026-06-04T04:55:04Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2377bd11ad15dc886a46ae16ce13271903baea8ba4644a4b8e414deba9153430","version":8}]}