AxStructuredOutputMode

type AxStructuredOutputMode = 
  | "auto"
  | AxStructuredOutputRung;

Defined in: https://github.com/ax-llm/ax/blob/781623e58befc00a555cf73ccbac598a72bb700c/src/ax/ai/types.ts#L127

Structured-output selection policy. auto follows provider/model preference order.