// 1) Create a Grounding policy powered by Guardion-1-8B
await fetch("https://api.guardion.ai/v1/policies", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": "Bearer YOUR_API_KEY"
  },
  body: JSON.stringify({
    id: "grounding-check",
    definition: "Detect hallucinations and ungrounded claims",
    target: "assistant",
    detector: {
      model: "guardion-1-8b",
      expected: "block",
      threshold: 0.9 // L1 (Confident). Use 0.8 for L2, 0.7 for L3, 0.6 for L4
    }
  })
});

// 2) Evaluate using that policy
const response = await fetch("https://api.guardion.ai/v1/guard", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": "Bearer YOUR_API_KEY"
  },
  body: JSON.stringify({
    messages: [
      { role: "context", content: "Our return policy allows returns within 14 days of purchase." }, // or "system" role
      { role: "user", content: "What is the return policy?" },
      { role: "assistant", content: "Returns are accepted within 30 days." }
    ],
    override_enabled_policies: ["grounding-check"]
  })
});

const result = await response.json();

if (result.flagged) {
  console.log("Hallucination detected:", result.reason);
} else {
  console.log("Response is grounded");
}