

It’s not “just democracy” when it explicitly prescribes a one party state.
mandates the implementation of direct elections on behalf of and within the confines of the ruling proletarian state party
The democratic part is only within the ruling party, the one that claims to represent the proletariat.
True, but it prescribes rule by one party (the party of the proletariat) alone. In any possible practice this rule can only be held by a party that claims to represent the proletariat, a claim that may or may not be true at any given time.