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Hardware, platform and safety / Offline-first architecture

Which edge cases come up around “Offline/Online toggle”, in particular regarding lost device key?

Designed in a document, no code yet C0227

ADR-0002: the launcher shows a plain-sight toggle. Offline uses a local device-bound key and PIN with no registration; online uses cloud credentials, and registration is required only for online use. Designed, with no code. Plan for: lost device key; mode shown at all times; sign-in never blocks selling. It is designed in a document and no code exists.

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