Nomad changes

docs/snippets/elixir/advanced/10_chunking_config.exs

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+# Advanced Chunking Configuration
+# This example shows how to configure sophisticated document chunking strategies
+# with fine-grained control over chunk size, overlap, and boundary respect.
+
+alias Kreuzberg.ExtractionConfig
+
+# Advanced chunking configuration with multiple parameters
+config = %ExtractionConfig{
+  chunking: %{
+    "enabled" => true,
+    "max_characters" => 1000,
+    "overlap" => 200,
+    "min_size" => 100,
+    "respect_boundaries" => true,
+    "split_on" => ["sentence", "paragraph"]
+  }
+}
+
+# Use the configuration for extraction
+{:ok, result} = Kreuzberg.extract_file("document.pdf", nil, config)
+
+# Process the chunked results
+chunks = result.chunks || []
+
+IO.puts("Total chunks: #{length(chunks)}")
+
+Enum.each(chunks, fn chunk ->
+  IO.inspect(%{
+    text_length: String.length(chunk["content"]),
+    page: chunk["page"],
+    boundaries_respected: !String.ends_with?(chunk["content"], [" ", "\n"])
+  })
+end)
+
+# Prepend heading context to chunk content
+config_with_headings = %ExtractionConfig{
+  chunking: %{
+    "enabled" => true,
+    "chunker_type" => "markdown",
+    "prepend_heading_context" => true
+  }
+}
+
+{:ok, result_headings} = Kreuzberg.extract_file("document.md", nil, config_with_headings)
+
+if result_headings.chunks do
+  IO.puts("Generated #{length(result_headings.chunks)} chunks with prepended headings")
+
+  Enum.each(result_headings.chunks, fn chunk ->
+    # Each chunk's content is prefixed with its heading breadcrumb
+    IO.puts("Chunk preview: #{String.slice(chunk["content"], 0..80)}...")
+  end)
+end