Taming Unpredictable User Input: Building a RAG Triage Agent in Node.js

The Problem with Raw User Data When building the backend for an urban infrastructure platform, the biggest bottleneck isn't the database, it's the users. A citizen reporting a problem rarely uses structured terminology. They don't say, "Electrical failure, Priority 1, Jurisdiction: City Council." They say, "The streetlamp on 5th avenue is sparking and my dog is terrified." Passing this raw text directly into a database requires a human administrator to manually read and route every single ticket