Next.js is turning client-side instrumentation into a first-class architecture concern. Here is why pre-hydration observability and transition-level telemetry matter for production teams in 2026.
OpenTelemetry is becoming the clearest way for web teams to trace AI agents across model calls, tools, retrieval, latency, and cost. In 2026, that visibility is turning into a practical requirement for shipping reliable AI features.
AsyncLocalStorage is evolving from a logging trick into a core Node.js primitive for observability, multi-tenancy, AI workflow tracing, and cleaner full-stack architecture.