fix(migrate): don't add playwright when @playwright/test exists

[yusuke99]

Part of #2037:

when @playwright/test deps exists, no need to add playwright to devDeps. npmx-dev/npmx.dev#2990 (changes)

Summary

vp migrate currently adds playwright to devDependencies even when @playwright/test is already declared.

Since @playwright/test already depends on playwright, this adds a redundant direct dependency and unnecessarily package.json modification.

Ref: https://github.com/microsoft/playwright/blob/main/packages/playwright-test/package.json#L33

What's changed

Added a check that recognizes a browser provider's runtime peer when it is declared directly or available through a known package (@playwright/test)

When @playwright/test is declared, the migrator treats the Playwright runtime as already available and skips adding a direct playwright dependency.

[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/​@​playwright/​test@​1.60.0

View full report

[fengmk2]

@codex review

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-09T13:51:00.634312Z	07cbdf9	Manual request

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 07cbdf96ed

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[fengmk2]

@yusuke99 Thanks!