Cloudflare Workflows is now GA: production-ready durable execution

This post announces the General Availability (GA) of Cloudflare Workflows, a serverless durable execution engine built on Workers. It details the step-based architecture with independent retriability, automatic state persistence, and introduces the `waitForEvent` API for human-in-the-loop and event-driven workflows. The post also highlights integration with the Agents SDK for building AI agents and outlines the pricing model, including new storage pricing.