curl --request GET \
  --url https://zeus-api.agentspro.cn/api/knowledge-base/kb_abc123/documents/doc_xyz789/chunks \
  --header 'Authorization: Bearer <token>'

{
  "chunks": [
    {
      "chunk_index": 0,
      "content": "# Product User Guide\n\nThis document covers the installation, configuration, and usage of the product.",
      "metadata": {
        "source": "product-guide.pdf",
        "page": 1
      }
    },
    {
      "chunk_index": 1,
      "content": "## Installation Steps\n\n1. Download the latest installer package\n2. Run the installer...",
      "metadata": {
        "source": "product-guide.pdf",
        "page": 2
      }
    }
  ],
  "total": 45
}