33. Test biller schemas comprehensively

[kelly-musk]

Priority: Testing

File: lib/biller-schemas.ts

Tasks: Zod test suite for all providers.

Acceptance: Invalid data → parse errors.

[Luchistack]

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I would love to work on this project

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[theFirstCodeManiac]

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Let me get this fixed immediately for you chief.

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[Jumongweb]

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Hi maintainer, i will like to solve this issue

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[Sundayabel222]

@Sundayabel222 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

pls i will love to work on this

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[Froshboss]

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I would love to work in this

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[drips-wave]

Congratulations, @Sundayabel222! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

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