Build Staleness Detection Service

[Mosas2000]

Description

Detect when data sources or derived metrics have stopped updating within expected windows.

Requirements and context

• Freshness thresholds
• Source-specific rules
• Alerts
• Historical checks
• Trend output

Suggested execution

Fork the repo and create a branch

git checkout -b feature/backend-staleness-detection

Implement changes

• Create staleness detector
• Run checks on scheduled jobs
• Expose freshness endpoints
• Document staleness rules

Example commit message

feat: build staleness detection service

Guidelines

• Assignment required before starting
• PR must include a closing reference to this issue
• Timeframe: 72 hours

[Yusufolosun]

@Yusufolosun has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi Maintainer, Good day
Please can you entrust the implementation of this issue to me. I am a Full Stack Developer and I can deliver maintainable solution that align with your codebase

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

[drips-wave]

Congratulations, @Yusufolosun! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Yusufolosun: 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.

🌊 Happy Wave 🌊

[drips-wave]

This issue has been marked as completed by a Drips Wave moderator for @Yusufolosun as part of the Stellar Wave Program's 5th Wave 🥳

Moderator's reason: [Auto-assessed] The contributor successfully implemented the requested staleness detection service, including documentation, API endpoints, scheduled workers, and unit tests. The PR #573 was merged and the issue was closed by a maintainer, indicating the work met the project's standards.

😎 @Yusufolosun: 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.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.

ℹ️ Note: This issue was marked complete via moderation. Points were issued even though the GitHub issue remains open.