[Backend] -- Add Retry Budgeting for External Calls (Avoid Infinite Retries)

[Devsol-01]

Description:
Retries should be bounded by a budget, not unlimited. Implement retry budgeting so total time and attempts remain capped per request.

Acceptance Criteria:

• Retry budget implemented.
• Tests verify budget caps.

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[BigElv]

@BigElv has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi maintainer can I take this ?

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

[Musab1258]

@Musab1258 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello maintainer,

I recently came across your project and would love to work on this issue. Could you please assign it to me?

I am a full-stack developer with hands-on experience building responsive, user-friendly interfaces, robust backends, and smart contracts.

My specific technical experience includes:

• Frontend: Building intuitive, responsive UIs (e.g., with React).
• Smart Contracts & Blockchain: Writing secure, scalable decentralized logic.
• Backend: Developing reliable server-side systems to tie everything together.

I enjoy writing clean, scalable code and am highly focused on improving overall user experience. I am a fast learner, highly motivated, and available to get started immediately.

I would appreciate the opportunity to contribute to your team and would be glad to discuss the next steps. Thank you for your time and consideration.

Best regards,

Musab Habeeb

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Musab1258 to this issue.

[pchieneye]

@pchieneye has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello, I have reviewed the issue and understand what needs to be done.

I would appreciate being assigned to it.

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

[drips-wave]

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

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