Nomad changes

docs/snippets/csharp/advanced/chunk_page_mapping.md

@@ -0,0 +1,52 @@
+```csharp title="C#"
+using Kreuzberg;
+
+class Program
+{
+    static async Task Main()
+    {
+        var config = new ExtractionConfig
+        {
+            Chunking = new ChunkingConfig
+            {
+                MaxCharacters = 500,
+                Overlap = 50
+            },
+            Pages = new PageConfig
+            {
+                ExtractPages = true
+            }
+        };
+
+        try
+        {
+            var result = await KreuzbergLib.ExtractFileAsync(
+                "document.pdf",
+                config
+            ).ConfigureAwait(false);
+
+            if (result.Chunks != null)
+            {
+                foreach (var chunk in result.Chunks)
+                {
+                    if (chunk.Metadata.FirstPage.HasValue && chunk.Metadata.LastPage.HasValue)
+                    {
+                        var first = chunk.Metadata.FirstPage.Value;
+                        var last = chunk.Metadata.LastPage.Value;
+                        var pageRange = first == last
+                            ? $"Page {first}"
+                            : $"Pages {first}-{last}";
+
+                        var preview = chunk.Content[..Math.Min(50, chunk.Content.Length)];
+                        Console.WriteLine($"Chunk: {preview}... ({pageRange})");
+                    }
+                }
+            }
+        }
+        catch (KreuzbergException ex)
+        {
+            Console.WriteLine($"Error: {ex.Message}");
+        }
+    }
+}
+```