axRuntimeHookFrame

const axRuntimeHookFrame: typeof axRuntimeHookFrame;

Defined in: https://github.com/ax-llm/ax/blob/e690b4823b8309e258594064abe941d4cff6ef89/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.