fix: update error types for upstream errors and JSON marshal failure

common/copy.go

@@ -11,7 +11,7 @@ func DeepCopy[T any](src *T) (*T, error) {
 		return nil, fmt.Errorf("copy source cannot be nil")
 	}
 	var dst T
-	err := copier.CopyWithOption(&dst, src, copier.Option{DeepCopy: true, IgnoreEmpty: false})
+	err := copier.CopyWithOption(&dst, src, copier.Option{DeepCopy: true, IgnoreEmpty: true})
 	if err != nil {
 		return nil, err
 	}