Add geographic content diversity index

[BigBen-7]

Description

Measure content diversity across geographic regions.

Requirements

• Diversity score per region
• Language diversity component
• Topic diversity component
• Trend over time
• Low-diversity region alerts

Files to Touch

• analytics/app/diversity-index/page.tsx
• analytics/lib/diversity-calc.ts

Complexity: 200 points

[Imole203]

@Imole203 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I will love to work on this issue,pls 🙏 assign this to me

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Imole203 to this issue.

[humblezdan]

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

hello maintainer i would love to work on this issue please

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

[Femaleotaku]

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

Hello, I'd like to pick this issue up.

I'll implement this following the existing conventions in the codebase, with tests covering the new behavior.

I'd love the opportunity to work on this — please consider assigning it to me.

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

[drips-wave]

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

🧑‍💻 @Femaleotaku: 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 completed by @Femaleotaku as part of the Stellar Wave Program's 8th Wave 🥳

😎 @Femaleotaku: 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.

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