A support-triage AI agent in Java with Spring AI 2.0.1: one structured workflow step, a bounded tool loop, tenant data the model never sees, and refunds that wait for a human. Plus the guardrails Spring AI now ships and the ones you still write yourself.
On a well-built Spring Boot app, exposing your product to AI agents is almost trivial: annotate a service method, add one starter. The wiring is the easy part. Choosing what to expose and securing it is the real work. Here is the honest version, on Spring AI 2.0.
Environment variables are where secrets go to leak. Here is how to get them out, what each store actually buys you (and costs), and how to wire it into a Spring app without calling an API on every request.
Autowire all beans implementing an interface into one field: a List or array ordered with @Order, a Set, or a Map<String, T> keyed by bean name. Runnable code.
