[FE-42] Build member referral dashboard page

[mftee]

Overview

Build a referral dashboard page where members can view their referral code, share it, and track how many people they have referred. All work goes in frontend/sandbox/.

Acceptance Criteria

• Page at frontend/sandbox/referrals/page.tsx
• Shows the user's unique referral code in a styled card with a Copy button
• Share button opens the native share dialog (Web Share API) or copies a referral link
• Stats section: total referrals, rewards earned, pending rewards
• Table of referred members: name (masked), joined date, reward status
• Empty state when no referrals yet
• JWT-protected page (redirect to login if unauthenticated)
• Uses mock data if no API connected

[MaryammAli]

@MaryammAli has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

can i work on this

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

[drips-wave]

Congratulations, @MaryammAli! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on April 29, 2026.

🧑‍💻 @MaryammAli: 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

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🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @MaryammAli as part of the Stellar Wave Program's 4th Wave 🥳

😎 @MaryammAli: 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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