NewError creates a new AppError.

WithCause adds a cause to the error.

WithField adds a field to the error.

WithMetadata adds metadata to the error.

Wrap wraps an error with a message and returns an AppError.

Wrapf wraps an error with a formatted message and returns an AppError.

AppError is the base error type for the application.

ErrorOption is a function that configures an AppError.