{
  "metadata": {
    "document_type": "form",
    "document_type_confidence": 0.82,
    "document_type_reasons": [
      "Text pattern match: 'W-2'",
      "Text pattern match: 'Wage and Tax Statement'",
      "Structural signal: has_form_field_layout"
    ],
    "profile_name": "form",
    "profile_version": "1.0.0",
    "profile_fields": {}
  }
}