curl --request POST \
  --url http://co-mind-platform-host/v1/knowledgebase/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "gpt-4o-mini",
  "messages": [
    {
      "role": "system",
      "content": "<string>",
      "name": "<string>"
    }
  ],
  "knowledgebase_ids": [
    "kb_abc123",
    "kb_def456"
  ],
  "temperature": 1,
  "max_tokens": 2,
  "top_p": 1,
  "stream": false
}
'

{
  "id": "chatcmpl-abc123",
  "object": "chat.completion",
  "created": 123,
  "model": "<string>",
  "choices": [
    {
      "index": 123,
      "message": {
        "role": "system",
        "content": "<string>",
        "name": "<string>"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 123,
    "completion_tokens": 123,
    "total_tokens": 123
  },
  "knowledge_base_context": {
    "sources": [
      {
        "knowledgebase_id": "<string>",
        "document_id": "<string>",
        "title": "<string>",
        "content": "<string>",
        "page": 123,
        "relevance_score": 123
      }
    ]
  }
}