Backend: Add pagination to list endpoints

[Smartdevs17]

Problem

List endpoints return all items, causing performance issues.

Proposed Solution

Add pagination support with limit/offset.

Acceptance Criteria

• Add pagination to all list endpoints
• Support limit and offset parameters
• Return total count in response

Technical Notes

• Files: backend/src/routes/*

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[Adedayo-Data]

@Adedayo-Data has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hi Maintiainer
I would love to work on this issue. I have read the task requirement and would submit a PR before the wave is over

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[code-0-stella]

@code-0-stella has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hi, I’d like to work on issue #21 (Add pagination to list endpoints). I’ll implement limit/offset pagination across all list endpoints, include total count in responses, and update the relevant backend routes.

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Congratulations, @code-0-stella! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

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This issue has been completed by @code-0-stella as part of the Stellar Wave Program's 4th Wave 🥳

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