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/** * The pre-ceremony explanation. * * A biometric prompt with no context is the single biggest source of confusion in a * passwordless app: people assume a password is being asked for, or that the app is trying * to take their fingerprint. So every OS-level WebAuthn prompt in Sealed is preceded by * this sheet, which answers three questions in plain language: what is about to appear, * what it will be used for, and what we never do with it. * * The same component covers the passkey case and the "this device cannot do that" case, * because the second one is not an error — it is a legitimate configuration, and it should * read like an explanation rather than a failure. */