{"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-s78g5xdl","versions":[{"created_at":"2026-06-04T17:01:00Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (92.6->96.9)","saved_by":"editor","sha256":"dd08a01d7073adfffe3be013ff9c80bbc4f84cc2dc3dbcecf1511aa62d0e0c46","version":11},{"created_at":"2026-06-04T05:55:41Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 92.6→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"e011982a3d274c07c03631354fe0edf90dcaee21e0412d054c71d00357eb7731","version":10},{"created_at":"2026-06-04T04:52:57Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 73.3→92.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 92.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0098c8d283aad6f3a4ef3a8cd4f19a7765da42aaddd1cc4a3519770f6ac85d24","version":9},{"created_at":"2026-06-04T04:52:57Z","element_count":32,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5950321c806658b29dd569bfa594039149862249cb1a0c3862844e246a277b30","version":8}]}