{"status":"ok","message":"TrustVote Backend Running","endpoints":{"health":"GET /","auth":"POST /auth/login, POST /auth/logout, GET /auth/status (protected)","voters":"POST /voters/register, GET /voters, GET /voters/:address, PUT /voters/:address/approve, PUT /voters/:address/reject, PUT /voters/:address/revoke, GET /voters/:address/card","elections":"POST /elections, GET /elections, GET /elections/:id, GET /elections/:id/results","admin":"GET /admin/dashboard, GET /admin/audit-log, GET /admin/verify/:txHash","votes":"GET /votes/me, POST /votes (protected), GET /votes/election/:id"}}