Nomad changes

docs/snippets/elixir/utils/vector_database_integration.md

@@ -0,0 +1,26 @@
+<!-- snippet:syntax-only -->
+
+```elixir
+config_json =
+  Jason.encode!(%{
+    "chunking" => %{
+      "max_characters" => 512,
+      "overlap" => 50,
+      "embedding" => %{
+        "model" => %{"preset" => %{"name" => "balanced"}},
+        "normalize" => true
+      }
+    }
+  })
+
+{:ok, json} = Kreuzberg.extract_file_async("document.pdf", nil, config_json)
+result = Jason.decode!(json)
+
+(result["chunks"] || [])
+|> Enum.with_index()
+|> Enum.each(fn {chunk, i} ->
+  chunk_id = "doc_chunk_#{i}"
+  preview = String.slice(chunk["content"] || "", 0, 50)
+  IO.puts("Chunk #{chunk_id}: #{preview}")
+end)
+```