GasfreeSdk.client returns a process‑wide singleton without thread safety primitives.
Risk: Race conditions when multiple threads configure or mutate the client simultaneously.
Proposed fix: Freeze configuration after initialization or use thread‑local instances.
GasfreeSdk.clientreturns a process‑wide singleton without thread safety primitives.Risk: Race conditions when multiple threads configure or mutate the client simultaneously.
Proposed fix: Freeze configuration after initialization or use thread‑local instances.