Variable NavigationChallengeState`Const`

NavigationChallengeState: Struct<
    {
        bloks_action: String;
        challenge_context: String;
        cni: Union<readonly [Number, String]>;
        flow_render_type: Literal<3>;
    },
> = ...

Schema for any navigation challenge (flow_render_type 3). Used by the main dispatcher to detect this branch.