{"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-i8gzbgn8","versions":[{"created_at":"2026-06-04T17:00:45Z","element_count":62,"note":"polish: batch-improve-100 2026-06-04 (92.4->100.0)","saved_by":"editor","sha256":"344d3128db158d18639fa832c8baa359c24695e70d7b07c80f13a9bf69a0e27a","version":6},{"created_at":"2026-06-04T14:56:55Z","element_count":55,"note":"polish: batch-improve-100 2026-06-04 (91.9->92.4)","saved_by":"editor","sha256":"3af3babc3734019823d02b5c85240e32109b1124e99b678a16999562a74a7325","version":5},{"created_at":"2026-06-04T05:52:22Z","element_count":54,"note":"GA diverse re-design 2026-06-04: 総合 94.6→91.9 (総2階(箱)・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 91.9 (美 95 環 100 楽 91))","saved_by":"editor","sha256":"e54df316e7f6285c8cd64593a752261ad06b9d5c3f2cb2b275aa9fb4984ff85f","version":4},{"created_at":"2026-06-04T04:59:12Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 38.0→94.6 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 94.6 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"08157526bcef2a8195132b08b25bd31ef0ebf139c348377d2c6f853d3b24a8ee","version":3},{"created_at":"2026-06-04T04:59:11Z","element_count":29,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"5a0546343cfd498799642413511f7d8f51bcebdee84156e93d5fe3d8b1346ae4","version":2}]}