errors

var (
	ErrUserNotFound      = DomainError{Code: "USER_NOT_FOUND", Message: "User not found"}
	ErrInvalidEmail      = DomainError{Code: "INVALID_EMAIL", Message: "Invalid email format", Field: "email"}
	ErrDuplicateEmail    = DomainError{Code: "DUPLICATE_EMAIL", Message: "Email already exists", Field: "email"}
	ErrInvalidName       = DomainError{Code: "INVALID_NAME", Message: "Name cannot be empty", Field: "name"}
	ErrInvalidUserID     = DomainError{Code: "INVALID_USER_ID", Message: "Invalid user ID format", Field: "id"}
	ErrUserAlreadyExists = DomainError{Code: "USER_ALREADY_EXISTS", Message: "User already exists"}
)

var (
	ErrRepositoryConnection = DomainError{Code: "REPOSITORY_CONNECTION", Message: "Repository connection failed"}
	ErrRepositoryOperation  = DomainError{Code: "REPOSITORY_OPERATION", Message: "Repository operation failed"}
)