When we announced the Workflow Development Kit (WDK) at Ship AI just over a month ago, we wanted it to reflect our Open SDK Strategy , allowing developers to build with any framework and deploy to any platform. At launch, WDK supported Next.js and Nitro. Today it works with eight frameworks, including SvelteKit, Astro, Express, and Hono, with TanStack Start and React Router in active development. This post explains the pattern behind those integrations and how they work under the hood. Link to heading The pattern behind every WDK integration On the surface, integrating WDK with Next.js looks nothing like integrating it with Express or SvelteKit. They all have different bundlers, routing systems, and developer experiences. But at its core, every framework integration follows the same two-phase pattern. Link to heading Build-time: Generating workflow handlers The build-time phase compiles your workflow and step functions into executable handler files.…