auth

var (
	ErrAuthNotInitialized = errors.New("authentication is not initialized")
	ErrAuthAlreadySet     = errors.New("authentication is already initialized")
	ErrInvalidCredentials = errors.New("invalid username or password")
	ErrInvalidSession     = errors.New("invalid or expired session")
	ErrInvalidUsername    = errors.New("invalid username")
	ErrWeakPassword       = errors.New("weak password")
	ErrLoginRateLimited   = errors.New("too many login attempts")
)