docs: update example to use event.res.headers.set

[imslepov]

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Summary by CodeRabbit

• Documentation
  • Updated streaming response code examples to reflect the current API for setting HTTP headers in responses.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Documentation update refactoring header manipulation patterns. Replaces setResponseHeader helper function with direct event.res.headers.set() API calls in stream response examples. Import statements adjusted to remove the deprecated helper reference.

Changes

Cohort / File(s)	Change Summary
Documentation Updates docs/4.examples/stream-response.md	Updated code examples to use event.res.headers.set() for header manipulation instead of setResponseHeader helper; removed helper from import statement

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Poem

🐰 Headers flow like carrot juice,
Direct mutation—what's the use?
No helpers needed, clean and bright,
The API shines, the docs are right! 🥕✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and specifically describes the main change: updating documentation examples to use the event.res.headers.set API instead of setResponseHeader.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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commit: b38bb3b

[pi0]

Thanks ❤️