{"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-p5chyopf","versions":[{"created_at":"2026-06-04T17:00:41Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.7->98.5)","saved_by":"editor","sha256":"5b2cf605021a82f82f6f10bf53fdcc31609b32a4c98d221aae5d34d9d378c4e9","version":11},{"created_at":"2026-06-04T05:51:34Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 98.1→90.7 (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 90.7 (美 96 環 100 楽 91))","saved_by":"editor","sha256":"8c0e9702d367627e7c94f99ee2a5dfd36fe8e1de83495624d01e919384a23e8f","version":10},{"created_at":"2026-06-04T04:57:47Z","element_count":101,"note":"GA batch-improve 2026-06-04: 総合 46.1→98.1 (中庭ロの字・吹抜 ピアノ室 PV 雨水 天窓 南面サンルーム / 適応度 98.1 (美 95 環 100 楽 100))","saved_by":"editor","sha256":"175cb513c3ac47aeee224099ed83e2b341d8083379ec51f94e9353c5cfd398fa","version":9},{"created_at":"2026-06-04T04:57:47Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"ab9b5b5376eed968f5136bb6f37099a2e0eb38fadd427a971e2b286cb0046aeb","version":8}]}