polish(settings): Fail fast if client info look up fails

[dschom]

Because

• We should fail early if client info fail to resolve correctly and the client info state is bogus.

This pull request

• Shows an error screen if something goes sideways.

Issue that this pull request solves

Closes: (issue number)

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• My commit is GPG signed.
• If applicable, I have modified or added tests which pass locally.
• I have added necessary documentation (if appropriate).
• I have verified that my changes render correctly in RTL (if appropriate).
• I have manually reviewed all AI generated code.

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