curl --request DELETE \
  --url "https://api.roe-ai.com/v1/policies/POLICY_ID/?organization_id=YOUR_ORG_ID" \
  --header "Authorization: Bearer YOUR_API_KEY"

// No content - policy successfully deleted

{
  "error": "Cannot delete policy - it is in use by agents",
  "dependent_agents": [
    {
      "base_agent_id": "abc12345-e89b-12d3-a456-426614174000",
      "agent_name": "Document Reviewer",
      "version_id": "def67890-e89b-12d3-a456-426614174001",
      "version_name": "v2"
    }
  ]
}