{"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-adjx5b1k","versions":[{"created_at":"2026-06-04T17:00:42Z","element_count":63,"note":"polish: batch-improve-100 2026-06-04 (90.1->98.8)","saved_by":"editor","sha256":"205940961fbb7b0b5334aabebb46b9c18ef624a1aa574215eb6663c289fcff07","version":11},{"created_at":"2026-06-04T05:55:43Z","element_count":55,"note":"GA diverse re-design 2026-06-04: 総合 92.6→90.1 (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 90.1 (美 94 環 100 楽 91))","saved_by":"editor","sha256":"7eb09dd0a0e8bbcba8f51f88c9360168fc91f4bfd054eec81ff51a7220fb37b7","version":10},{"created_at":"2026-06-04T04:57:09Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 48.2→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":"9f72cbde730bf877691e627fdb0e27549bb7ddd0747c2f0d5b9e288dad20c0ea","version":9},{"created_at":"2026-06-04T04:57:09Z","element_count":35,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"2bc9ebb3e0c32c801e02965f6d3b04f5c0ae726920706e90e260ce9de2d65d9c","version":8}]}