Connect multiple CDP clients

import os
import requests
from playwright.sync_api import sync_playwright

sid = os.environ["TILION_SESSION_ID"]
response = requests.get(
    f"https://back.tilion.dev/v1/session/{sid}/connect",
    headers={"Authorization": f"Bearer {os.environ['TILION_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
connect_url = response.json()["connect_url"]

with sync_playwright() as p:
    main = p.chromium.connect_over_cdp(connect_url, timeout=60000)
    try:
        observer = p.chromium.connect_over_cdp(
            connect_url + "&role=observer", timeout=60000
        )
        try:
            page = main.contexts[0].pages[0]
            page.goto("https://example.com/", wait_until="domcontentloaded")
            observed_page = next(
                page for page in observer.contexts[0].pages
                if page.url == "https://example.com/"
            )
            print(observed_page.title())
        finally:
            observer.close()
    finally:
        main.close()

import { chromium } from "playwright-core";

const sid = process.env.TILION_SESSION_ID;
const response = await fetch(`https://back.tilion.dev/v1/session/${sid}/connect`, {
  headers: { Authorization: `Bearer ${process.env.TILION_API_KEY}` },
  signal: AbortSignal.timeout(30_000),
});
if (!response.ok) throw new Error(await response.text());
const { connect_url } = await response.json();

const main = await chromium.connectOverCDP(connect_url, { timeout: 60_000 });
try {
  const observer = await chromium.connectOverCDP(
    `${connect_url}&role=observer`, { timeout: 60_000 },
  );
  try {
    const page = main.contexts()[0].pages()[0];
    await page.goto("https://example.com/", { waitUntil: "domcontentloaded" });
    const observedPage = observer.contexts()[0].pages()
      .find(page => page.url() === "https://example.com/");
    if (!observedPage) throw new Error("Page not found in observer context");
    console.log(await observedPage.title());
  } finally {
    await observer.close();
  }
} finally {
  await main.close();
}