fix: Add USB diagnostics utility to troubleshoot unreadable serial nu…#168

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X9X0 wants to merge 6 commits intomainfrom

fix/166-bk-connection-failure

Commits on Dec 16, 2025

fix: Support both SSH and Pi image deployments in lablink-version

X9X0
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claude
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feat: Add lablink-version to help listings for all deployment methods

X9X0
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claude
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