{"message":"Digital Nirbachon 2026 Voting Backend API - Demo Mode","version":"2.0.0-demo","mode":"demo","security":"Input validation and security headers enabled","endpoints":{"health":"GET /health","login":"POST /api/login (Firebase auth required)","vote":"POST /api/vote (Firebase auth required, unlimited attempts)","results":"GET /api/results (public)","userStatus":"GET /api/user-status (Firebase auth required)"},"timestamp":"2026-10-29T10:49:34.491Z"}