How to take screenshots of password-protected...

Not every page you need to screenshot is open to the world. Sometimes you need a screenshot of a service admin panel, an internal dashboard, a staging server, or a page behind basic auth. And that's where the problem starts: you send the URL to a screenshot API, and what comes back is a screenshot of the login form. The headless browser on the API side doesn't know your credentials and visits the page as a brand new user. I want to walk through how to handle this. As an example, I'll use my own