Local object store (development) reference

Write apps/backend/docs/concepts-local-object-store.md for lib/localObjectStore.ts and the localStorage route: the filesystem-backed implementation of ObjectStoreLike used in development and test so presigned upload/download URLs actually work without MinIO.

Acceptance criteria:

Documents the ObjectStoreLike surface both implementations satisfy, including headObject used by upload-confirm verification
Explains where bytes land on disk, the signed local URL format, and how the serving route validates expiry and signature
Documents the production/development selection and confirms no call-site changes between them
States that this keeps the test suite free of Docker, consistent with the project's no-external-services rule

@Marywase

@Marywase has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Hello maintainer, if assigned, I’ll trace localObjectStore.ts and the localStorage serving route, document the shared ObjectStoreLike surface including headObject, explain the on-disk layout and signed URL validation, and clearly cover how development and production implementations are selected without changing call sites. I’ll also make sure the no-Docker test requirement and local upload and download flow are accurately reflected.
Thank you!

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@Damola09

@Damola09 has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Can i work on this?

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@Damola09

Congratulations, @Damola09! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on September 30, 2026.

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docs: document group_treasury storage/multisig, local object store, a…

Closed by #611, merged into dev.

@Damola09

This issue has been completed by @Damola09 as part of the Stellar Wave Program's 9th Wave 🥳

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Local object store (development) reference #564

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Local object store (development) reference #564

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Marywase commented on Sep 28, 2026

Damola09 commented on Sep 28, 2026

drips-wave commented on Sep 28, 2026

github-actions commented on Sep 29, 2026

drips-wave commented on Sep 29, 2026

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