{"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-i1eqnipd","versions":[{"created_at":"2026-06-04T16:59:44Z","element_count":81,"note":"polish: batch-improve-100 2026-06-04 (93.7->98.7)","saved_by":"editor","sha256":"c78be63c4704717f738ac86975926273352f3b89b1287156ff5f3844dcc62751","version":11},{"created_at":"2026-06-04T05:53:56Z","element_count":70,"note":"GA diverse re-design 2026-06-04: 総合 93.7→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"2186cde0678be11bf847a3abd9ab23e76a2176e47a5129a921ef7cc5afaaff58","version":10},{"created_at":"2026-06-04T04:53:47Z","element_count":70,"note":"GA batch-improve 2026-06-04: 総合 68.8→93.7 (中庭ロの字・吹抜 縁側 ピアノ室 PV 雨水 天窓 / 適応度 93.7 (美 100 環 100 楽 100))","saved_by":"editor","sha256":"ce7770ab3b4bae55a933aaa301e0a2f4e76bd33f914309d2a29781123cf9e735","version":9},{"created_at":"2026-06-04T04:53:47Z","element_count":45,"note":"snapshot: batch-improve 2026-06-04 改善前の旧設計 (復元用)","saved_by":"editor","sha256":"9ab4d1c268cf9aaa1a1bcb837818e0c06b2f1d3bdd1f741631c2ebcf23bb9b36","version":8}]}