Stream large exports instead of buffering in memory

[RUKAYAT-CODER]

Background

Exports build the entire payload in memory before writing. Stream chunks to bound memory on large datasets.

Files to modify (2-3)

src/lib/export/utils.ts
src/lib/export/index.ts

Acceptance Criteria

Implemented across the listed files

Unit/integration tests added or updated and passing

No regression; follows project coding standards

[shogun444]

@shogun444 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi, This issue is something i can resolve, I'd love to work on it Kindly Assign me, Thank you.

Portfolio : https://portfolio-amber-one-v8ggyhsjyr.vercel.app/

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[morenike69]

@morenike69 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I would like to work on this issue, please assign it to me.

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[Adjutant500]

@Adjutant500 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi Maintainer please I will like to work on this issue

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[Priyanshu1-62]

@Priyanshu1-62 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi maintainers,
Please assign this issue to me.

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[drips-wave]

Congratulations, @shogun444! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

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[drips-wave]

This issue has been completed by @shogun444 as part of the Stellar Wave Program's 8th Wave 🥳

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