{"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-mt4z5ati","versions":[{"created_at":"2026-06-04T17:01:11Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.3->99.3)","saved_by":"editor","sha256":"5fabacb77439a27721ffd70819182e4412cec93653065479c1f0e7ed332b6db4","version":11},{"created_at":"2026-06-04T05:49:53Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 99.7→90.3 (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 90.3 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"6b3ff9c763bfedf4db32002b09cd41a122487721cc1c9bb9a5b9c17d6eedb8af","version":10},{"created_at":"2026-06-04T04:53:43Z","element_count":98,"note":"GA batch-improve 2026-06-04: 総合 69.0→99.7 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 / 適応度 99.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"5f151d39e48bde49836d16f0f66b9522449a7905071b66a035cbfad00fe9142a","version":9},{"created_at":"2026-06-04T04:53:43Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"aa7d50b05f779b287c8f1f7d31a465526586ecc37bb1e2ce246d630be9833aff","version":8}]}