feat: update otel setup

[c-ehrlich]

Background

We got feedback from some users that in some frameworks such as Next.js they get scary-looking messages during build: Critical dependency: require function is used in a way in which dependencies cannot be statically extracted

This is caused by @opentelemetry/sdk-node.

The mitigation suggested here does not work unfortunately as sdk-node is built different from libraries like sentry

This leaves two possible mitigations:

1. ignore in next config

const nextConfig = {
  webpack: (config, { isServer }) => {
    if (isServer) {
      config.ignoreWarnings = [
        ...(config.ignoreWarnings || []),
        {
          module: /require-in-the-middle/,
          message: /Critical dependency/,
        },
      ];
    }
    return config;
  },
};

2. use a different instrumentation setup

// see the changes made in this PR

Changes in this PR

Move everything to version 2

Trace (before)

Trace (after)

[Copilot]

Pull Request Overview

This PR updates the OpenTelemetry setup to avoid critical dependency warnings in Next.js builds by replacing @opentelemetry/sdk-node with a direct NodeTracerProvider implementation.

• Removes @opentelemetry/sdk-node dependency from all packages and examples
• Refactors instrumentation setup to use NodeTracerProvider directly instead of NodeSDK
• Updates documentation to reflect the new OpenTelemetry setup approach

Reviewed Changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/ai/package.json	Removes sdk-node dependency
examples/example-instrumentation-nextjs-v5/src/instrumentation.node.ts	Refactors from NodeSDK to NodeTracerProvider setup
examples/example-instrumentation-nextjs-v5/package.json	Removes sdk-node dependency
examples/example-instrumentation-nextjs-v5/README.md	Updates documentation reference from NodeSDK to OpenTelemetry tracer
examples/example-instrumentation-nextjs-v4/src/instrumentation.node.ts	Refactors from NodeSDK to NodeTracerProvider setup
examples/example-instrumentation-nextjs-v4/package.json	Removes sdk-node and require-in-the-middle dependencies
examples/example-instrumentation-nextjs-v4/README.md	Updates documentation reference from NodeSDK to OpenTelemetry tracer
examples/example-instrumentation-express/README.md	Updates documentation reference from NodeSDK to OpenTelemetry tracer
examples/example-evals-nextjs/src/instrumentation.node.ts	Refactors from NodeSDK to NodeTracerProvider setup
examples/example-evals-nextjs/package.json	Removes sdk-node dependency

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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commit: 2595c73

[thesollyz]

LGTM 👍