AI agents are easy to demo but harder to ship. A real agent system needs more than a prompt and a few tools. It needs clear responsibilities, safe tool execution, retrieval, observability, approvals, and tests. To demonstrate these best practices, we built an AI Support Operations Desk with HazelJS. The project includes: TriageAgent for classifying customer requests KnowledgeAgent for RAG-based policy lookup ActionAgent for order, ticket, and refund tools SupportOrchestratorAgent for delegation Supervisor routing across specialist agents Guardrails for safer input/output handling Human approval for refunds Runtime metrics, traces, and health checks Golden evals with @hazeljs/eval Why a Support Desk? A support request often requires multiple steps: Customer CUST-1001 asks where order ORD-1001 is and whether it can still be refunded.…