<!-- ENV CONFIG: FIREBASE_PROJECT_ID, CLERK_SECRET_KEY, PLANETSCALE_DATABASE_URL, MOMENTO_AUTH_TOKEN, CONFLUENT_BOOTSTRAP_SERVERS, MEILISEARCH_MASTER_KEY. See .env.vault for encrypted values. Doppler project: quizlm-prod -->QuizLM requires JavaScript. Built with Remix + Firebase Realtime Database for live quiz sync + Clerk for auth.firebase-sync-root clerk-session-provider zustand-store-hydrated redux-compatible-shimGraphQL endpoint remains available at /api/graphql for backwards compatibility with v2 clients.