Nomad changes

docs/snippets/ruby/cache/disk_cache.rb

@@ -0,0 +1,37 @@
+```ruby title="disk_cache.rb"
+require 'kreuzberg'
+require 'fileutils'
+
+cache_dir = File.expand_path('~/.cache/kreuzberg')
+FileUtils.mkdir_p(cache_dir)
+
+config = Kreuzberg::ExtractionConfig.new(
+  use_cache: true,
+  cache_config: Kreuzberg::CacheConfig.new(
+    cache_path: cache_dir,
+    max_cache_size: 500 * 1024 * 1024,
+    cache_ttl_seconds: 7 * 86400,
+    enable_compression: true,
+  )
+)
+
+kreuzberg = Kreuzberg::Client.new(config)
+
+puts "First extraction (will be cached)..."
+result1 = kreuzberg.extract_file('document.pdf')
+puts "  - Content length: #{result1.content.length}"
+puts "  - Cached: #{result1.metadata['was_cached']}"
+
+puts "\nSecond extraction (from cache)..."
+result2 = kreuzberg.extract_file('document.pdf')
+puts "  - Content length: #{result2.content.length}"
+puts "  - Cached: #{result2.metadata['was_cached']}"
+
+puts "\nResults are identical: #{result1.content == result2.content}"
+
+cache_stats = kreuzberg.get_cache_stats
+puts "\nCache Statistics:"
+puts "  - Total entries: #{cache_stats['total_entries']}"
+puts "  - Cache size: #{(cache_stats['cache_size_bytes'] / 1024.0 / 1024.0).round(1)} MB"
+puts "  - Hit rate: #{(cache_stats['hit_rate'] * 100).round(1)}%"
+```