We cloned our editor in chief. KateBench is an AI copyeditor trained on roughly 30,000 edits by @katelaurielee. It now reviews every piece of writing before it goes out. Our team members use it constantly, especially as a skill on @SlackHQ with our in-house Every agent. Around 90% of edits are accepted. The vibes are good. But you can't measure vibes. Only an eval can tell us how well KateBench is performing. Evals are like the SATs for AI models, but with far fewer vocabulary questions. A…