curl --request GET \
  --url https://api.example.com/ai-admin/conversations/{conversationId}/messages

{
  "messages": [
    {
      "id": "<string>",
      "conversationId": "<string>",
      "role": "USER",
      "content": "<string>",
      "createdAt": "<string>",
      "model": "<string>",
      "aiOperationId": "<string>",
      "hasFeedback": true,
      "inputTokens": 123,
      "outputTokens": 123,
      "processingTimeMs": 123,
      "source": "<string>"
    }
  ]
}