Function resolveAgent

resolveAgent(
    client: ERC8004ReadClient,
    identityRegistry: `0x${string}`,
    agentId: bigint,
    registryId: `${string}:${string}:${string}`,
): Promise<ResolvedAgent>
Resolve an agent: fetch on-chain identity + off-chain registration file.
Parameters
- client: ERC8004ReadClient
  Read-only client for contract calls
- identityRegistry: `0x${string}`
  Identity Registry contract address
- agentId: bigint
  Agent's NFT token ID
- registryId: `${string}:${string}:${string}`
  Full agent registry identifier
Returns Promise<ResolvedAgent>
Fully resolved agent with registration file
Example
```
const agent = await resolveAgent(viemClient, registryAddr, 42n, "eip155:8453:0x...");
if (agent.agentWallet !== paymentRequirements.payTo) {
  throw new Error("Payment address mismatch");
}
```
- Defined in erc8004/src/identity.ts:124