the HTTP(S) Agent invalid

Environment

demo package.json

{
  "name": "demo",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "type": "module",
  "scripts": {
    "test": "node src/index.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "http-proxy-agent": "^7.0.2",
    "https-proxy-agent": "^7.0.4",
    "ofetch": "^1.3.4"
  }
}

Reproduction

The demo code

import { HttpProxyAgent } from 'http-proxy-agent'
import { ofetch } from 'ofetch'

const res1 = await ofetch('http://ip-api.com/json')

const res2 = await ofetch('http://ip-api.com/json', {
  agent: new HttpProxyAgent('http://127.0.0.1:7890'),
})

console.log('No Proxy IP: ' + res1.query)
console.log('Proxy IP: ' + res2.query)

Describe the bug

console print

No Proxy IP: 125.70.78.162
Proxy IP: 125.70.78.162

result is same, the set proxy is invalid

Additional context

No response

Logs

No response

Start with the reproduction package.json and demo code, then inspect how ofetch handles the agent option for Node.js requests. Verify the behavior with the provided proxy and confirm that the proxied and direct requests produce different results when the option is supported.