The sign in screen asked for an nsec or npub, walked through a confirmation
step and reported an error when the sign in failed. None of that can succeed
while the app is in alpha testing, so the screen is now the notice and nothing
else, centred in the window because the message is the only thing on it.
The screen no longer reads any state, so it takes no arguments and the
navigation host stops handing it the repository.
SignInToProfileViewModel, SignInToProfileUIState and SignInToProfileFormState
are left where they are. Nothing references them now, but they are the
implementation to restore when sign in ships, rather than something to write
again.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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