Add new location discovery rate tracker

[BigBen-7]

Description

Track the rate at which new geographic locations are activated.

Requirements

• New location rate chart
• Geographic frontier visualization
• Discovery velocity by region
• Milestone celebrations (100th city, etc)
• Coverage percentage metric

Files to Touch

• analytics/components/charts/DiscoveryRate.tsx
• analytics/lib/location-tracker.ts

Complexity: 150 points

[muhsar27]

@muhsar27 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

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[pelumixxril]

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

Hi Maintainer,kindly assign this issue to me,let me help you out on this sir.

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[MorsH14]

@MorsH14 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I`d love to work on this issue

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[keljoshX]

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

Hi maintainer, can I be assigned to this
I'll submit a clean pr in no time

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[yahayaf84771-afk]

@yahayaf84771-afk has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

i would like to work on this issue please

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[abdulrcrtw]

@abdulrcrtw 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 @abdulrcrtw to this issue.

[drips-wave]

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

🧑‍💻 @abdulrcrtw: 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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