Module error 

Error types for promocrypt-core.

This module defines all error types used throughout the library, including error codes for FFI compatibility and detailed validation results.

Enums

ErrorCode

Error codes aligned with all promocrypt components. These are used for FFI compatibility and cross-component consistency.

PromocryptError

Main error type for all promocrypt operations.

ValidationResult

Validation result with detailed information.

Type Aliases

Result

Result type alias for promocrypt operations.