See how Jev
makes a decision.

// Route a support message to a department with Jev.
// Requires Node.js 20+ and TYPESAFE_API_KEY in the environment.
//   npm install @typesafe-ai/sdk
import { choice, TypeSafeClient } from "@typesafe-ai/sdk";

const client = new TypeSafeClient(); // reads TYPESAFE_API_KEY, defaults to jev-latest

const message =
  "Hi, I was charged twice for my subscription this month. Can you refund one of them?";

const { answers } = await client.systemOne({
  state: message,
  questions: {
    department: choice("Which department should handle this customer message?", {
      billing: "Charges, invoices, refunds, payment methods",
      account: "Login, password, profile, closing an account",
      technical: "Bugs, errors, outages, integrations",
      sales: "Pricing, plan comparisons, upgrades",
      other: "Anything that does not fit the departments above",
    }),
  },
});

const { choice: department, probabilities, confidence } = answers.department;

// Your code decides what to do with the answer.
if (confidence < 0.5) {
  console.log("Unsure. Route to a person.", probabilities);
} else {
  console.log(`Route to ${department} (confidence ${confidence.toFixed(2)})`);
}