Build against the evidence artifact—not a proprietary answer.

const request = {
  principal: {
    human: "user:ap-manager",
    agent: "agent:vendor-ops",
    workload: "spiffe://acme/agents/vendor-ops/prod"
  },
  purpose: "verify_vendor_payment_change",
  decision_type: "vendor_payment_change",
  subject: "vendor:atlas-industrial",
  as_of: { valid_time, known_at }
};

const bundle = await ecg.context.resolve(request);
await ecg.context.verify(bundle);
await decisionHypervisor.evaluate({ contextBundleRef: bundle.id });