Fix quizMe exercise selection for missing input

[kentcdodds]

Summary

• guard quizMe exercise parsing and pick random exercise when missing
• add quizMe test coverage for random selection and invalid numbers
• tighten quizMe test assertions to satisfy typecheck

Testing

• npm --prefix packages/workshop-mcp run typecheck
• npm --prefix packages/workshop-mcp run test -- quiz-me.test.ts

Evidence

  

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[nx-cloud]

View your CI Pipeline Execution ↗ for commit 6d00f2e

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☁️ Nx Cloud last updated this comment at 2026-04-29 14:23:32 UTC

[nx-cloud]

View your CI Pipeline Execution ↗ for commit 6d00f2e

Command	Status	Duration	Result
nx run-many --target typecheck	✅ Succeeded	4s	View ↗
nx lint	✅ Succeeded	2s	View ↗
nx run-many --target build	✅ Succeeded	4s	View ↗

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☁️ Nx Cloud last updated this comment at 2026-04-29 14:31:42 UTC