Nomad changes

docs/snippets/elixir/plugins/plugin_validator.exs

@@ -0,0 +1,32 @@
+```elixir title="Elixir"
+defmodule MyApp.MinLengthValidator do
+  @behaviour Kreuzberg.Plugin.Validator
+
+  def name, do: "min_length_validator"
+
+  def validate(result) do
+    if String.length(result.content) >= 50 do
+      :ok
+    else
+      {:error, "Content too short: #{String.length(result.content)} chars"}
+    end
+  end
+
+  def should_validate?(_result), do: true
+  def priority, do: 10
+  def initialize, do: :ok
+  def shutdown, do: :ok
+  def version, do: "1.0.0"
+end
+
+# Register validator
+Kreuzberg.Plugin.register_validator(MyApp.MinLengthValidator)
+
+# Use with extraction
+{:ok, result} = Kreuzberg.extract_file(
+  "document.pdf",
+  nil
+)
+
+IO.puts("Content length: #{String.length(result.content)}")
+```