// 1) Create or update a Prompt Defense policy
await fetch("https://api.guardion.ai/v1/policies", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": "Bearer YOUR_API_KEY"
  },
  body: JSON.stringify({
    id: "prompt-defense",
    definition: "Prevent prompt injections and jailbreaks",
    target: "user",
    detector: {
      model: "modern-guard",
      expected: "block",
      threshold: 0.9
    }
  })
});

// 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: "user", content: "..." }],
    override_enabled_policies: ["prompt-defense"]
  })
});