{"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-fw9356tn","versions":[{"created_at":"2026-06-04T17:01:32Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.8->99.8)","saved_by":"editor","sha256":"f6744f5f80839901d7ce5464ab8edeb20626a54fc7fff966c3fbb13db2e3e52f","version":11},{"created_at":"2026-06-04T05:49:31Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 100.0→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":"e2a5ff2d655d09318cb41e889fb353f9dd741439a88d789497a87217926404c8","version":10},{"created_at":"2026-06-04T04:53:38Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 69.6→100.0 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 100.0 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"0f3a69fba8dc9012612fa69b41e87aa579e90b6fedc17d557f73eb66e6365c09","version":9},{"created_at":"2026-06-04T04:53:38Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"c3617780456a85e1f55d6c91e280fba71794257c18c4a7103af2d7316ff7022f","version":8}]}