Switches stood only at the back of the rack and read as a dark slab from the cold aisle. Each now has a front at its unit on the front rails, with its name on a label in its cable colour, LEDs and fans, and clicks and hovers like the rest of it. The web UI's files carry Cache-Control: no-cache and an ETag per build (and start), so a browser asks each time, gets 304 while nothing changed, and the new files right after a deploy. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>