T3-013: Send USDC payment for coaching sessions

Track: 3 — Solana Phone / Web3
Section: Phase B: Wallet Integration via MWA (56h)
Status: [ ] Todo
Repo: app-user
Branch: feature/T3-013-usdc-payment-send
Estimated Hours: 6h

Done When

User can pay for coaching session with USDC. Transaction built, signed via MWA, sent to Solana. Confirmation waited. Backend updated on success

Notes

No notes yet.