[Frontend] useIncomingStreams.ts refetch interval is hardcoded and cannot be disabled for tests

[grantfox-oss]

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Why this matters

useIncomingStreams.ts hardcodes its react-query refetchInterval, which makes component tests that mount the hook prone to timer leaks unless every test manually mocks timers.

Acceptance criteria

• Accept a refetchInterval override via the hook's options for testability
• Default to the current production interval when not overridden

Files to touch

• frontend/src/hooks/useIncomingStreams.ts

Out of scope

Does not change the production polling cadence.

[pimaster900]

@pimaster900 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Grant me this job and I assure you 100 percent on this,just give me a try

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[davidmaronio]

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

Hi maintainer Let me work on this issue
I'll definitely give you quick response

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[badmusdare4]

@badmusdare4 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello maintainer, I’ve thoroughly reviewed the requirements and will implement the necessary changes to address the issue while ensuring the final solution meets the acceptance criteria. Please assign this issue to me.

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Congratulations, @davidmaronio! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

🧑‍💻 @davidmaronio: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox!

@davidmaronio's PR #1139 was approved and merged by @ogazboiz.

🏆 @davidmaronio: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (659 total points). Track your full progress on GrantFox.

👏 Great work, @davidmaronio! Keep contributing to LabsCrypt.