The honest story of building Cerberus and why I need real traffic to finish it.  A few days ago I wrote here about a test that failed. It was a synthetic data generator that fell over on real-world noise. I got more engagement on that post than anything I'd written before, which taught me something: developers don't trust perfection. They trust someone who shows the mess. So here's the mess I'm in now. The Problem I sell API access for a living. A few months ago a customer's key leaked—c...