Integrate RAG into the Support Workflow with an Approval Gate
Explore how to integrate retrieval-augmented generation into a support email workflow, using triage signals to guide retrieval, enforcing step contracts, and implementing an approval gate that blocks unsourced policy claims to ensure reliable and grounded AI responses.
A support email enters the n8n support inbox workflow as an inbox event with raw fields like from, subject, and body. The triage step turns that unstructured text into a small triage JSON object with a stable schema, then the retrieval step converts the triage signal into a retrieval query, the generation step converts retrieved text into a draft, and the approval gate decides whether anything gets sent.
One concrete request makes the boundary clear. An email about a ...