Subscription cancel: effective date is explicit

The job

Jev judge eval (1 boolean) over a fixed state : runnable via experimental_evaluate.

The prompt

Copy this into Muse and replace anything in [square brackets] with your own details.

// Subscription cancel: effective date is explicit — Jev judge eval (typesafe-ai/jev).
// An agent cancels a subscription; the judge checks the exact date the cancellation takes effect.
// Model: typesafe-ai/jev via the Vercel AI Gateway ($0.042/1M input tokens).
// Auth: set AI_GATEWAY_API_KEY (vck_…) in the environment — never paste the key here.
// For zero-data-retention / no-training workloads, add
// providerOptions: { gateway: { … } } to the evaluate call below.

import { experimental_evaluate } from 'ai';

const result = await experimental_evaluate({
  model: 'typesafe-ai/jev',
  state: "Customer: Cancel my subscription.\nAgent: Done — your Premium plan is cancelled effective March 1, 2026. You keep full access until Feb 29, 2026, and you will not be charged again. Confirmation C-77120.",
  questions: {
    "date_explicit": {
      "type": "boolean",
      "instructions": "True only if the agent stated the exact calendar date the cancellation takes effect."
    }
  },
});

console.log(JSON.stringify(result, null, 2));