[P7-2] Farcaster Wallet Integration

[realproject7]

Context

§7.2 — wallet via sdk.wallet.getEthereumProvider() + wagmi connector. The app should work with both standalone wallets and the Farcaster embedded wallet.

Sub-tickets

• P7-2a: Add the Farcaster wagmi connector alongside existing wallet connectors (P3-1). Auto-detect context and use the appropriate provider.

Proposal Reference

§7.2 (Wallet & Identity)

Dependencies

P3-1 (wallet connection), P7-1 (miniapp SDK)