EIP-7702 rejects an external WalletClient signer. The chain must provide Alchemy RPC metadata or match an Account Kit chain by ID.
Alchemy
createAlchemySmartAccount
Creates an Alchemy-backed Para smart account
Supports EIP-4337 and EIP-7702. The default mode is 4337.
Use the package root import:
The returned account exposes the shared sendTransaction and sendBatchTransaction methods.