Proxies for AI visibility, market by market.

import { chromium } from "playwright";import { appendFile } from "node:fs/promises";import { randomBytes } from "node:crypto";const SERVER = "http://proxy.arcproxies.io:8000";const PAGE = "https://example.com/";   // the public, logged-out page you trackconst MARKETS = [  { cc: "de", city: "munich" },  { cc: "fr", city: "lyon" },  { cc: "gb", city: "manchester" },  { cc: "us", city: "chicago" },];const browser = await chromium.launch();async function runMarket(m) {  // One handle per market and run. Reuse it to come back to the same exit.  const session = randomBytes(4).toString("hex");  // One context = one market = one residential exit, held for 30 minutes.  const context = await browser.newContext({    proxy: {      server: SERVER,      username: `USERNAME_pool-arcfast_country-${m.cc}_city-${m.city}_session-${session}_sesstime-30`,      password: "PASSWORD",    },  });  // The answer is text. Images, fonts and media are only bandwidth.  await context.route("**/*", (route) =>    ["image", "font", "media"].includes(route.request().resourceType())      ? route.abort()      : route.continue()  );  const page = await context.newPage();  // Record where this session actually exits, before collecting anything.  const exit = await (await page.goto("https://ipinfo.io/json")).json();  await page.goto(PAGE);  // …the follow-up, the next page: same context, same exit IP.  const html = await page.content();  await appendFile("runs.jsonl", JSON.stringify({    market: m,    session,    exitIp: exit.ip,    exitCountry: exit.country,               // "DE"    exitCity: exit.city,    inMarket: exit.country?.toLowerCase() === m.cc,    collectedAt: new Date().toISOString(),    html,  }) + "\n");  await context.close();}await Promise.all(MARKETS.map(runMarket));    // every market at onceawait browser.close();