Devtools — remote Chrome DevTools debugging

Debug a running web app through Chrome DevTools remotely — attach Claude Code to a real logged-in Chrome session or a clean disposable one over a private tunnel, then read console errors, failed network requests, and DOM state instead of the user screenshotting them by hand. Use when the user runs `/devtools`, or asks to "debug this in the browser", "check the console", "why is the page erroring", "why is this request failing", "the page is blank/broken in Chrome", "inspect the network tab", or reports a front-end bug they would otherwise chase in DevTools by hand. Covers both pre-auth bugs (clean profile) and bugs that only reproduce when logged in (real session). Diagno…