curl --request POST \
  --url https://api.healos.ai/ext-api/v1/patients/{patientId}/documents \
  --header 'Content-Type: multipart/form-data' \
  --form 'file=<unknown>'

{
  "data": {
    "id": "d4e5f6a7-b8c9-4d0e-1f2a-3b4c5d6e7f8a",
    "filename": "intake_form_maria_santos.pdf",
    "file_type": "pdf",
    "file_size": 245760,
    "public_url": "<string>",
    "upload_date": "2026-03-20T11:15:00.000Z",
    "status": "pending"
  },
  "message": "<string>"
}