**Bug: leaderboard snapshots are not persisted for historical comparisons**

[MaryammAli]

• Description: Leaderboard history is unavailable for reviews and audits because snapshots are never written to durable storage.
  • Impacted files: BackendAcademy/src/leaderboard/leaderboard.service.ts, BackendAcademy/src/jobs/jobs.service.ts, BackendAcademy/src/database/database.service.ts, BackendAcademy/src/reports/reports.service.ts

[bibi-fay]

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

Hi Maintainer,

Can I pick this up?

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[penielgold-hub]

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

Hello maintainer, i want to work on this issue

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

[drips-wave]

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

🧑‍💻 @bibi-fay: 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 @bibi-fay as part of the Stellar Wave Program's 7th Wave 🥳

😎 @bibi-fay: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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