Classify an error as transient (worth retrying) or permanent.
Retries on network errors, timeouts, and rate-limit / transient gateway
responses. Does NOT retry on validation errors, contract reverts, or other
deterministic failures — retrying those only wastes time.
Classify an error as transient (worth retrying) or permanent.
Retries on network errors, timeouts, and rate-limit / transient gateway responses. Does NOT retry on validation errors, contract reverts, or other deterministic failures — retrying those only wastes time.