feat(proxy): 持久化质量检测结果并在列表展示

backend/internal/handler/dto/mappers.go

@@ -303,6 +303,11 @@ func ProxyWithAccountCountFromService(p *service.ProxyWithAccountCount) *ProxyWi
 		CountryCode:    p.CountryCode,
 		Region:         p.Region,
 		City:           p.City,
+		QualityStatus:  p.QualityStatus,
+		QualityScore:   p.QualityScore,
+		QualityGrade:   p.QualityGrade,
+		QualitySummary: p.QualitySummary,
+		QualityChecked: p.QualityChecked,
 	}
 }