Nomad changes

docs/snippets/ruby/metadata/metadata.md

@@ -0,0 +1,74 @@
+```ruby title="Ruby"
+require 'kreuzberg'
+
+result = Kreuzberg.extract_file_sync('document.pdf')
+
+# Metadata is flat — format-specific fields are at the top level
+metadata = result.metadata
+if metadata['page_count']
+  puts "Pages: #{metadata['page_count']}"
+end
+if metadata['title']
+  puts "Title: #{metadata['title']}"
+end
+if metadata['authors']
+  puts "Authors: #{metadata['authors'].join(', ')}"
+end
+
+# Access HTML metadata
+html_result = Kreuzberg.extract_file_sync('page.html')
+metadata = html_result.metadata
+if metadata['title']
+  puts "Title: #{metadata['title']}"
+end
+if metadata['description']
+  puts "Description: #{metadata['description']}"
+end
+
+# Access keywords as array
+if metadata['keywords']
+  puts "Keywords: #{metadata['keywords'].join(', ')}"
+end
+
+# Access canonical URL (renamed from canonical)
+puts "Canonical URL: #{metadata['canonical_url']}" if metadata['canonical_url']
+
+# Access Open Graph fields from map
+open_graph = metadata['open_graph'] || {}
+puts "Open Graph Image: #{open_graph['image']}" if open_graph['image']
+puts "Open Graph Title: #{open_graph['title']}" if open_graph['title']
+puts "Open Graph Type: #{open_graph['type']}" if open_graph['type']
+
+# Access Twitter Card fields from map
+twitter_card = metadata['twitter_card'] || {}
+puts "Twitter Card Type: #{twitter_card['card']}" if twitter_card['card']
+puts "Twitter Creator: #{twitter_card['creator']}" if twitter_card['creator']
+
+# Access new fields
+puts "Language: #{metadata['language']}" if metadata['language']
+puts "Text Direction: #{metadata['text_direction']}" if metadata['text_direction']
+
+# Access headers
+if metadata['headers']
+  puts "Headers: #{metadata['headers'].map { |h| h['text'] }.join(', ')}"
+end
+
+# Access links
+if metadata['links']
+  metadata['links'].each do |link|
+    puts "Link: #{link['href']} (#{link['text']})"
+  end
+end
+
+# Access images
+if metadata['images']
+  metadata['images'].each do |image|
+    puts "Image: #{image['src']}"
+  end
+end
+
+# Access structured data
+if metadata['structured_data']
+  puts "Structured data items: #{metadata['structured_data'].length}"
+end
+```