Wrap up and ship checklist
You have a research pipeline that searches the web, scrapes the top results, synthesizes a cited answer, refines it for concision, and plays nice with the sites it fetches from. Let us lock the concepts in with one last checkpoint, then close out.
Validation checklist: Ship checklist
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Checkpoint: Final pipeline checkpoint
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What you built here is a template. The four-node pattern (search, extract, synthesize, refine) shows up in almost every serious agent and RAG system. Adding a reranker, a cache, or a judge is now a single-node edit. The pipeline is yours. Go point it at a question that matters to you.