Fix CORS before you blame the SDK

<p>Your <code>fetch</code> call is correct. The server received it, ran the handler, and sent back a <code>200</code> with a body. Your JavaScript never sees any of that — instead

<p>CORS is one of those things every web developer runs into sooner or later. Most of us know how to fix it — add a header, change a config, ask the backend person to "do

<p>Building a bot detection engine is challenging, but making it resilient against adversarial attacks, denial-of-service (DoS), and subtle concurrency bottlenecks in production