feat: update agent-prompt with wallet auth family and execution examples

Add "Wallet + API key" auth entry for send, contract call, swap, and
approve commands. Add examples for send, contract read, swap quote, and
status to the agent-prompt output.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: blakecduncan

src/commands/agent-prompt.ts

@@ -179,6 +179,18 @@ function buildAgentPrompt(program: Command): AgentPrompt {
           "debug",
         ],
       },
+      {
+        method: "Wallet + API key",
+        envVar: "ALCHEMY_WALLET_KEY",
+        flag: "--wallet-key-file <path>",
+        configKey: "wallet-key-file",
+        commandFamilies: [
+          "send",
+          "contract call",
+          "swap",
+          "approve",
+        ],
+      },
     ],
     commands,
     errors,
@@ -189,6 +201,10 @@ function buildAgentPrompt(program: Command): AgentPrompt {
       "alchemy --json --no-interactive apps list --access-key $ALCHEMY_ACCESS_KEY",
       "alchemy --json --no-interactive rpc eth_blockNumber --api-key $ALCHEMY_API_KEY",
       "alchemy --json --no-interactive network list",
+      "alchemy --json --no-interactive send 0xRecipient 0.001 -n eth-sepolia",
+      "alchemy --json --no-interactive contract read 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 \"balanceOf(address)(uint256)\" --args '[\"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045\"]' -n eth-mainnet",
+      "alchemy --json --no-interactive swap quote --from 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE --to 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 --amount 1.0 -n eth-mainnet",
+      "alchemy --json --no-interactive status 0xCallId -n eth-mainnet",
     ],
     docs: "https://www.alchemy.com/docs",
   };