package service import "errors" var ( ErrNotFound = errors.New("resource not found") ErrAlreadyExists = errors.New("resource already exists") ErrInvalidInput = errors.New("invalid input") ErrUnauthorized = errors.New("unauthorized") ErrForbidden = errors.New("forbidden") ErrInternal = errors.New("internal server error") ErrValidation = errors.New("validation failed") ErrConflict = errors.New("conflict") ErrRateLimited = errors.New("rate limited") ErrServiceUnavailable = errors.New("service unavailable") )