// Stub for @solana-program/system. Privy imports only `getTransferSolInstruction`
// from it (Solana wallet funding), which we never use (Ethereum-only embedded
// wallets). The real package pulls @solana/kit, which is unresolvable in the
// browser and crashed the app (black screen). Aliased here in vite.config.
export function getTransferSolInstruction(): never {
  throw new Error('Solana funding is not supported (Ethereum-only).');
}