Building reliable software shouldn't require mastering distributed systems. Yet for developers building AI agents or data pipelines, making async functions reliable typically requires message queues, retry logic, and persistence layers. Adding that infrastructure often takes longer than writing the actual business logic. The Workflow Development Kit (WDK) is an open source TypeScript framework that makes durability a language-level concept. It runs on any framework, platform, and runtime. Functions can pause for minutes or months, survive deployments and crashes, and resume exactly where they stopped. Link to heading Turn async functions into durable workflows At its core, WDK introduces two simple directives that turn ordinary async functions into durable workflows, handling the work of queues, retry logic, and persistence layers.…