Why your build tool has amnesia — and how we fixed it with a persistent graph and CAS

Every few years, the frontend community rallies around a faster build tool. Grunt gave way to Webpack. Webpack gave way to Parcel, then Rollup, then Vite. Each one measurably faster. Each one celebrated. And yet, there's a problem none of them ever touched: they all start from zero, every single time. This isn't a performance problem. It's an architectural one. The real issue: stateless pipelines When a build process exits — whether that's a dev server restart, a CI run, or a branch switch — eve