feat: add manifest.deploymentId

[danielroe]

🔗 Linked issue

backport of #3792

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

this backports #3792

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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Project	Deployment	Preview	Comments	Updated (UTC)
nitro.build	Ready	Preview	Comment	Nov 18, 2025 0:05am

[pi0]

What would be benefit of this backport without agnostic skew detection support in v2?

I think would probably be more valuable if we add this flag to std-env (tracker: unjs/std-env#59)