Persisted? broken with records that have no href

[fpellanda]

Compare: https://github.com/local-ch/lhs/blob/master/lib/lhs/concerns/record/model.rb#L14

[10xSebastian]

Well. It's not broken. It's just not implemented. If you can come up with a concept how to make it work for objects without href, I would be glad. As discussed in person, maybe

def persisted?
  href.present? || id.present?
end

is already a solution.