Add a recently viewed keys section on the homepage showing the last 5 keys the user visited

[Chucks1093]

Summary

Users who browse multiple keys must use browser history to return to a previously viewed key. A recently viewed section on the homepage showing the last 5 visited keys would make re-navigation instant.

Scope

• Track key detail page visits in a recently_viewed array in localStorage (max 5 entries, newest first)
• Show a Recently Viewed section on the homepage below the trending leaderboard for authenticated users
• Render each visited key as a compact card with avatar, name, current price, and 24h change
• Remove a key from recently viewed when it is added to the watchlist
• Clear the recently viewed list when the user disconnects their wallet

Acceptance Criteria

• Up to 5 recently visited keys shown on the homepage
• Newest visit appears first in the list
• Key removed from recently viewed when added to watchlist
• List cleared on wallet disconnect
• Section hidden when recently viewed is empty

ETA: 12 hours

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Coordinate on Telegram

[Seunfunmi-319509]

@Seunfunmi-319509 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

kindly assign

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[smog123]

@smog123 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

please assign me

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[slakee-bot]

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

Hi maintainer I would like to work on this issue

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[Mona-i]

@Mona-i 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 assign.

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[drips-wave]

Congratulations, @Seunfunmi-319509! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @Seunfunmi-319509: 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 marked as completed by a Drips Wave moderator for @Seunfunmi-319509 as part of the Stellar Wave Program's 8th Wave 🥳

Moderator's reason: [Auto-assessed] The PR was successfully merged by maintainer Chucks1093 on 2026-09-06 (mergedAt: 2026-09-06T18:03:58Z), and fully implements the recently viewed keys feature with complete test coverage.

😎 @Seunfunmi-319509: You earned 150 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.

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