@type category() :: :hydration | :sleep | :steps | :screen_time | :custom | String.t()

@type t() :: %WplAi.AST.Habit{
  category: category(),
  frequency: String.t() | nil,
  meta: map(),
  reminders: [Time.t()] | nil,
  target: number(),
  target_unit: String.t()
}