pub fn generate_proving_ctx(
proofs: &[Proof<BabyBearPoseidon2Config>],
proofs_type: ProofsType,
child_is_app: bool,
child_vk_commit: VkCommit<F>,
deferral_enabled: bool,
) -> SingleAirTraceData<CpuBackend<BabyBearPoseidon2Config>>