Shows real-time stats with color-coded indicators: - Redis: version, memory, hit rate, ops/sec, evicted keys - PostgreSQL: version, db size, connections, cache hit ratio, dead tuples Uses MESSENGER_TRANSPORT_DSN for Redis auth (works in dev and prod). Accessible via /admin/infra with nav link. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>