curl --request GET \
  --url https://app.autoposting.ai/api-proxy/kbs/{kbId}/docs \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "documents": [
      {
        "id": "doc_01HXYZ",
        "name": "Pricing Guide 2024.pdf",
        "status": "indexed",
        "chunkCount": 24,
        "createdAt": "2024-01-01T00:00:00Z"
      }
    ],
    "total": 1
  }
}