Most browser automation tutorials skip the hard part: what happens when the site fights back.
You write a clean Playwright script. It works locally. You push it to prod and within 10 minutes you're seeing ERR_ACCESS_DENIED, infinite redirects, or a CAPTCHA that defeats every solver you throw at it.
I've spent the last two months building an AI-powered browser agent that signs up for accounts and fills forms on CAPTCHA-heavy sites. Here's the actual architecture — with real code.
The Problem With Traditional Automation
Most CAPTCHA tutorials treat the challenge as a one-time thing: detect it, solve it, continue. But modern bot protection (PerimeterX, DataDome, Cloudflare) is dynamic. The CAPTCHA is often just the surface layer. The real fingerprinting happens before you ever see a challenge:
