curl -X POST "https://router.example.com/v1/router/chat" \
  -H "Authorization: Bearer <api-key>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "default",
    "messages": [{"role": "user", "content": "Hello router"}],
    "dry_run": true
  }'

{
  "decision": {
    "provider": "openai",
    "model": "gpt-4o",
    "recipe": "semantic-router"
  },
  "response": {
    "id": "chatcmpl-example",
    "choices": [
      {
        "index": 0,
        "message": {"role": "assistant", "content": "Hello! How can I help?"},
        "finish_reason": "stop"
      }
    ],
    "usage": {
      "prompt_tokens": 10,
      "completion_tokens": 8,
      "total_tokens": 18
    }
  }
}