Workflow DevKit

Build reliable, long-running processes with automatic retries, state persistence, and observability.

Quick Reference

Pattern	Use Case	Key API
Workflows	Orchestrate durable operations	`"use workflow"` directive
Steps	Atomic, retriable units	`"use step"` directive
Webhooks	Human-in-the-loop, callbacks	`createWebhook()`
Actors	Event-driven state machines	`defineHook()` + `for await`
Streaming	Real-time frontend updates	`getWritable()` / `run.readable`
AI Agents	Durable LLM workflows	`DurableAgent` + `globalThis.fetch = fetch`
AI Gateway	Multi-provider model switching	`"provider/model"` strings, `@ai-sdk/gateway`