test: add integration tests for governance persistence, feature flags, and dead-letter queue

[cypriannwokolo2-creator]

Summary

No integration tests for governance persistence, feature-flag persistence, or the job-queue dead-letter flow.

Acceptance Criteria

• Governance proposal/vote persistence integration test
• Feature-flag CRUD integration test
• Job enqueue→process→dead-letter integration test

Complexity

High.

[Marvelg256]

@Marvelg256 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi Maintainer! I'd like to work on this issue. I'm confident I can complete it and submit a PR within 24 hours. Looking forward to contributing!

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[Teescom]

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

i will like to work on this

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[ghost-cy829]

@ghost-cy829 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. I have experience with Rust and Soroban smart contract development. I will follow the acceptance criteria and add tests. Excited to contribute. Kindly assign.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ghost-cy829 to this issue.

[mc-stephen]

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

Hi, please mind assigning, thanks.
will fix ASAP.

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[Bigdaddyobamo]

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

Good day, Maintainer. Kindly allow me to address this matter. I can manage this issue.

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

🧑‍💻 @Teescom: 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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[drips-wave]

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

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