Fix device ID validation bound, refactor COE injection, fix typos and type annotations#606

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ramseymcgrath with Copilot wants to merge 2 commits into

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copilot/fix-device-id-validation

Commits on May 12, 2026

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Apply fixes: device ID validation, COE file injection refactor, type annotations, spelling corrections, and test mock fix

Copilot
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ramseymcgrath
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