// Upload a document from text
  const textDocId = await client.uploadDocument({
    content: 'This is the full text content of my document...',
    metadata: {
      title: 'Sample Text Document',
      author: 'John Doe',
      tags: ['sample', 'text'],
      created_at: '2023-05-15'
    }
  });
  
  // Upload a document from a file (Node.js)
  const fs = require('fs');
  const fileContent = fs.readFileSync('document.pdf');
  
  const fileDocId = await client.uploadDocument({
    content: fileContent,
    filename: 'document.pdf',
    metadata: {
      title: 'Sample PDF Document',
      author: 'Jane Smith',
      tags: ['sample', 'pdf']
    }
  });

// Query across all your documents
  const results = await client.query({
    text: "What are the key performance metrics?",
    limit: 5  // Return top 5 most relevant results
  });
  
  // Query specific documents
  const results = await client.query({
    text: "What are the key performance metrics?",
    docIds: ['doc_123', 'doc_456'],  // Only search these documents
    limit: 5
  });
  
  // Print results
  results.matches.forEach(match => {
    console.log(`Score: ${match.score}`);
    console.log(`Document: ${match.metadata.title}`);
    console.log(`Content: ${match.content}`);
    console.log('---');
  });