T4-031: Referral rewards — earn TON for each friend who joins¶

Track: 4 — Telegram Mini App
Section: Phase D: Viral Growth Mechanics (32h)
Status: [ ] Todo
Repo: backend-api
Branch: feature/T4-031-referral-rewards
Estimated Hours: 3h

Done When¶

When referred friend joins a challenge, referrer earns bonus. Configurable: flat amount or percentage

Notes¶

No notes yet.