@type priority() :: :primary | :secondary

@type t() :: %WplAi.AST.Goal{
  category: String.t(),
  deadline: Date.t() | nil,
  description: String.t() | nil,
  meta: map(),
  milestones: [Milestone.t()] | nil,
  name: String.t() | nil,
  priority: priority(),
  target: Target.t() | nil
}