I’m building an AI assistant in Next.js + LangGraph JS. My core flow is well-suited for LangGraph: decompose a research question → parallel ReAct sub-agents → synthesize. No complaints there. But I want to add guided wizards alongside this — for example, a scraper configuration flow: Agent analyzes a URL and proposes extraction rules User approves or gives feedback Agent adjusts, then moves to link collection setup …and so on The wizard has: Branching based on page type (list ...