docs: fix Node visitor tracking snippet

[leo-paz]

Summary

• Initialize the @outlit/node client in the React Native visitor tracking snippet before using outlit.track() / outlit.identify().

Verification

• bun run typecheck
• Focused docs stale-example scan for Node SDK private-key/event-field patterns and manual engaged/inactive code fences
• Isolated TypeScript compile of the repaired Node snippet with workspace path aliases

Note: this repo has no staging branch, so this PR targets main.

Summary by CodeRabbit

Documentation

• Updated example code demonstrating proper initialization of the tracking client before using fingerprint tracking and user identification features.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 16837d37-1c07-44e9-a98a-c864854bd8cb

📥 Commits

Reviewing files that changed from the base of the PR and between 29ca464 and 8c9bfec.

📒 Files selected for processing (1)

• docs/concepts/website-visitors.mdx

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Walkthrough

The Node.js example in docs/concepts/website-visitors.mdx now explicitly instantiates an Outlit client with a public key from the environment before demonstrating fingerprint tracking and identification calls.

Changes

Documentation Examples

Layer / File(s)	Summary
Node.js Outlit client instantiation example docs/concepts/website-visitors.mdx	Added const client = new Outlit({ publicKey: process.env.OUTLIT_KEY! }) initialization before the subsequent track() and identify() method calls in the Node.js code example.

Possibly related PRs

• OutlitAI/outlit-sdk#143: Both PRs update MDX docs examples to construct an Outlit instance using publicKey: process.env.OUTLIT_KEY! (replacing prior server-key patterns) before calling tracking/fingerprinting/identify() APIs.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐇 A line or two, so neat and small,
The client springs to life, that's all!
With public keys from env so bright,
The examples shine, now burning right! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'docs: fix Node visitor tracking snippet' accurately describes the main change in the PR: updating the Node.js React Native visitor tracking code example in the documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch leo/sdk-public-api-docs-doctest-sweep

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