deploy-murmur-server

Deploy, redeploy, monitor, debug, and manage the murmur-server backend (the zero-knowledge E2EE sharing relay) on Railway. The complete, hard-won flow — project/service IDs, the token model, the GraphQL-API-not-CLI approach, deploy/logs/vars/domain/restore, and every gotcha that bit during the first deploy (env-freeze on redeploy, the Postgres name-collision DNS trap, raw-postgres password-init, the Dockerfile…