// Detect all signatures in a document
const formData = new FormData();
formData.append('document_file', pdfFile);

const response = await fetch('/api/signature-detection', {
  method: 'POST',
  headers: { 'X-API-Key': 'your-api-key' },
  body: formData
});

const result = await response.json();

// Get all detected signatures with coordinates
console.log('Total signatures found:', result.signature_items.length);

result.signature_items.forEach(item => {
  console.log('Signature found on page:', item.page);
  console.log('Bounding box:', item.bbox); // [x1, y1, x2, y2, x3, y3, x4, y4]
  console.log('Confidence:', item.confidence); // 0.0-1.0
});

// Page metadata
console.log('Pages processed:', Object.keys(result.page_metadata).length);