axRuntimeHookFrame

const axRuntimeHookFrame: typeof axRuntimeHookFrame;

Defined in: https://github.com/ax-llm/ax/blob/781623e58befc00a555cf73ccbac598a72bb700c/src/ax/util/telemetry.ts#L10

Non-serializable runtime-hook state propagated through nested programs. Symbols survive object spreads but are ignored by JSON, cache keys, and exported program state.