Frontend: Add downloadable account statement export flow

[Junirezz]

Summary

Frontend work item for YieldVault RWA: Frontend: Add downloadable account statement export flow.

Problem

Current implementation does not fully cover this capability in a production-hardened way.

Proposed Solution

Implement this task with test coverage and documentation updates where applicable.

Acceptance Criteria

• Implementation completed and reviewed
• Tests added or updated (unit/integration/e2e as applicable)
• Relevant documentation updated
• CI checks pass with no regressions

Priority

Medium

[charliechinedu19-netizen]

@charliechinedu19-netizen has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

hey gm, i'd love to take on this task real quick

ℹ️ Repo Maintainers: To accept this application, review their application or assign @charliechinedu19-netizen to this issue.

[yinkscss]

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

Hi, i would like to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @yinkscss to this issue.

[drips-wave]

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

🧑‍💻 @yinkscss: 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.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

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