nx_connect_polls_lib.nx

nx_connect_polls_lib.nx -- the poll/ballot engine, extracted as a shared library so the verifying gate (nx_connect_polls) and the LIVE app (nx_connect_serve /community) bind ONE implementation. The live tally was previously a single stored choice with the counts recomputed inline -- structurally revote-replaces, but a second expression of the rule rather than the verified engine. THE LAW: one voter, one ballot. A revote REPLACES the voter's existing ballot in place, so a tally can never inflate however many times someone votes. Counts are derived by scanning ballots, and the ballot store holds the voter only so a re-vote can find it -- reported counts are aggregate, never per-person. Symbols moved VERBATIM (no renames): renaming is what de-grounded compare rows on the earlier splits. license_tier: ORIGINAL