List Documents

{
  "data": [
    {
      "id": "doc-abc123",
      "status": "completed",
      "file_name": "annual-report.pdf",
      "total_pages": 42,
      "pages_completed": 42,
      "inserted_at": "2025-01-15T08:30:00Z",
      "updated_at": "2025-01-15T08:32:00Z",
      "thumbnail_url": "https://res.okrapdf.com/v1/documents/doc-abc123/pg_1.png",
      "is_public": false,
      "source": "api"
    }
  ],
  "has_more": false
}