docs(nuxt): Use isAuthenticated in createRouteMatcher migration examples

[wobsoriano]

Description

Follow-up to #9258. The migration examples in the pending @clerk/nuxt major changeset checked userId truthiness, while the docs (clerk/clerk#3043) standardize on the isAuthenticated property for authentication checks. This updates the changeset's event handler example and agent migration prompt to match, so the changelog and docs recommend the same check.

No code changes, changeset content only.

Checklist

• pnpm test runs as expected.
• pnpm build runs as expected.

Type of change

• 📖 Refactoring / dependency upgrade / documentation

[changeset-bot]

⚠️ No Changeset found

Latest commit: 7760b95

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes changesets to release 1 package

Name	Type
@clerk/nuxt	Major

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Project	Deployment	Actions	Updated (UTC)
swingset	Ready	Preview, Comment	Jul 29, 2026 1:54pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
clerk-js-sandbox	Skipped		Jul 29, 2026 1:54pm

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commit: 7760b95

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Review profile: CHILL

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Run ID: 453916b3-0534-4f35-8d25-9108dec494fa

📥 Commits

Reviewing files that changed from the base of the PR and between 8656308 and 7760b95.

📒 Files selected for processing (1)

• packages/astro/CHANGELOG.md

🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

• clerk/clerk_go (manual)
• clerk/dashboard (manual)
• clerk/accounts (manual)
• clerk/backoffice (manual)
• clerk/clerk (manual) → reviewed against open PR #3043 rob/nuxt-crm-removal instead of the default branch
• clerk/clerk-docs (manual)
• clerk/cloudflare-workers (manual)
• clerk/cli (auto-detected)
• clerk/clerk-ios (auto-detected)
• clerk/clerk-android (auto-detected)

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📝 Walkthrough

Walkthrough

Updates Nuxt and Astro authentication guidance to use isAuthenticated for protected resources instead of checking userId. Nitro and Astro API examples return 401 responses for unauthenticated requests, while Astro page examples redirect. Nuxt migration guidance documents resource-level checks after matcher-based protection is removed.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• clerk/javascript#9258: Removes matcher-based Nuxt authentication guidance and aligns protection with resource-level isAuthenticated checks.

Suggested reviewers: clerk-cookie

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the main docs change: switching migration examples to use isAuthenticated.
Description check	✅ Passed	The description is directly related to the changeset and accurately summarizes the documentation-only update.
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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[wobsoriano]

!allow-major

[github-actions]

API Changes Report

Generated by Break Check on 2026-07-29T13:54:52.385Z

Summary

Metric	Count
Packages analyzed	19
Packages with changes	0
🔴 Breaking changes	0
🟡 Non-breaking changes	0
🟢 Additions	0

No API Changes Detected

All packages have stable APIs with no detected changes.

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Report generated by Break Check

_{Last ran on 7760b95.}