Nomad changes

docs/snippets/ruby/plugins/min_length_validator.md

@@ -0,0 +1,32 @@
+```ruby title="Ruby"
+require "kreuzberg"
+
+# Custom validator ensuring extracted content meets minimum length requirement
+class MinLengthValidator
+  def initialize(min_length: 100)
+    @min_length = min_length
+  end
+
+  def call(result)
+    content_length = result["content"].length
+    if content_length < @min_length
+      raise StandardError,
+            "Content too short: #{content_length} < #{@min_length}"
+    end
+  end
+end
+
+# Register the validator with priority
+validator = MinLengthValidator.new(min_length: 100)
+Kreuzberg.register_validator("min_length_validator", validator, 100)
+
+# Usage in extraction
+config = Kreuzberg::ExtractionConfig.new
+
+begin
+  result = Kreuzberg.extract_file_sync("document.pdf", config: config)
+  puts "Extraction successful: #{result["content"].length} characters"
+rescue StandardError => e
+  puts "Validation failed: #{e.message}"
+end
+```