Module retry 

Comprehensive error handling and retry logic

Structs

CircuitBreaker

Circuit breaker implementation

CircuitBreakerConfig

Circuit breaker configuration

OperationStats

Operation statistics

RetryManager

Retry manager with circuit breaker

Enums

CircuitBreakerState

Circuit breaker state

RetryError

RetryStrategy

Retry strategy

Traits

RetryableError

Error classification for retry decisions