Support for Chrome OS

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**Is your feature request related to a problem? Please describe.**
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This would be great if it worked inside the Linux VM on Chrome OS - Endpoint Verification doesn't either.

**Describe the solution you'd like**
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I'd like the Linux VM to be able to use Endpoint Verification or Enterprise Certificates from the Chrome OS host.

**Describe alternatives you've considered**
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Can't see another way around it, especially for Endpoint Verification where the certificate is managed automatically.

**Additional context**
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The issue mentions the Chrome OS Linux VM, Endpoint Verification, and Enterprise Certificates, but names no files, tests, or entry points. Start by mapping how the project handles host certificates and Linux environments, then clarify the supported integration path and acceptance criteria. Done should mean the Linux VM can use the requested certificate or verification capability from the Chrome OS host.

Written by the indexing model from the issue text.