ci: skip chromatic on forks

[rzzf]

🔗 Linked issue

resolves #1683

🧭 Context

To prevent error emails caused by workflow failures when the repository is forked.

📚 Description

[vercel]

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Project	Deployment	Actions	Updated (UTC)
npmx.dev	Ready	Preview, Comment	Feb 27, 2026 5:15am

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs.npmx.dev	Ignored	Preview	Feb 27, 2026 5:15am
npmx-lunaria	Ignored		Feb 27, 2026 5:15am

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.

📢 Thoughts on this report? Let us know!

[coderabbitai]

📝 Walkthrough

Walkthrough

The Chromatic workflow configuration has been updated to add a repository-level guard condition. The workflow job now includes an additional check to ensure it executes only when the repository is exactly "npmx-dev/npmx.dev". The existing logic that handles pull request events—either running on non-pull-request events or when the pull request head repository matches the target repository—is preserved. This change restricts the Chromatic job execution scope whilst maintaining the previous event-type handling behaviour.

Suggested reviewers

• danielroe

🚥 Pre-merge checks | ✅ 1

✅ Passed checks (1 passed)

Check name	Status	Explanation
Description check	✅ Passed	The pull request description is directly related to the changeset, explaining the purpose of adding a repository guard to the Chromatic workflow to prevent errors on forked repositories.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[rzzf]

fixed by #1679