Function decide_retry 

pub fn decide_retry(
    state: &RetryState,
    error_log: &str,
    config: &FailureConfig,
) -> RetryDecision

Determine retry decision based on retry state and config.

Arguments

• state - Current retry state with attempt count
• error_log - Error log to check for retryable patterns
• config - Failure configuration

Returns

• RetryDecision::Retry(delay) if should retry
• RetryDecision::PermanentFailure(reason) if should not retry