[Testing] frontend/src/app/hooks/useReveal.ts has no test coverage

[grantfox-oss]

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Why this matters
useReveal.ts backs the PII reveal flow paired with frontend/src/app/api/recipients/[id]/reveal/route.ts, a security sensitive path, but there is no hooks test file for it despite sibling hooks like useApi and useSSE having dedicated tests.

Acceptance criteria

• Add a test file for useReveal.ts covering the success path, an expired or denied reveal response, and error handling
• Assert the hook does not cache or leak revealed PII beyond its intended scope

Files to touch

• frontend/src/app/hooks/useReveal.ts
• frontend/src/app/hooks/useReveal.test.ts

Out of scope
Changing the reveal API contract.

[Adeyemi-cmd]

@Adeyemi-cmd has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Can I please work on this

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[iexwr]

@iexwr has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi I’d like to work on this program please assign me let’s begin.

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[shadrach68]

@shadrach68 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi Maintainer,
I'd like to take on this issue. I've reviewed the requirements, understand the scope, and can deliver a tested solution that aligns with the project's standards.

Thanks.

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[10xwhoman]

@10xwhoman has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello i would love to work on this.

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