Nomad changes

docs/snippets/csharp/metadata/metadata.md

@@ -0,0 +1,65 @@
+```csharp title="C#"
+using Kreuzberg;
+
+var config = new ExtractionConfig
+{
+    PdfOptions = new PdfConfig { ExtractMetadata = true }
+};
+
+var result = KreuzbergLib.ExtractFileSync("document.pdf", null, config);
+
+if (result.Metadata?.Format?.Pdf != null)
+{
+    var pdfMeta = result.Metadata.Format.Pdf;
+    Console.WriteLine($"Pages: {pdfMeta.PageCount}");
+    Console.WriteLine($"Author: {pdfMeta.Author}");
+    Console.WriteLine($"Title: {pdfMeta.Title}");
+}
+
+var htmlResult = KreuzbergLib.ExtractFileSync("page.html", null, config);
+if (htmlResult.Metadata?.Format?.Html != null)
+{
+    var htmlMeta = htmlResult.Metadata.Format.Html;
+    Console.WriteLine($"Title: {htmlMeta.Title}");
+    Console.WriteLine($"Description: {htmlMeta.Description}");
+
+    if (htmlMeta.Keywords != null && htmlMeta.Keywords.Count > 0)
+    {
+        Console.WriteLine($"Keywords: {string.Join(", ", htmlMeta.Keywords)}");
+    }
+
+    if (htmlMeta.CanonicalUrl != null)
+    {
+        Console.WriteLine($"Canonical URL: {htmlMeta.CanonicalUrl}");
+    }
+
+    if (htmlMeta.OpenGraph != null && htmlMeta.OpenGraph.Count > 0)
+    {
+        if (htmlMeta.OpenGraph.ContainsKey("image"))
+            Console.WriteLine($"Open Graph Image: {htmlMeta.OpenGraph["image"]}");
+        if (htmlMeta.OpenGraph.ContainsKey("title"))
+            Console.WriteLine($"Open Graph Title: {htmlMeta.OpenGraph["title"]}");
+    }
+
+    if (htmlMeta.TwitterCard != null && htmlMeta.TwitterCard.Count > 0)
+    {
+        if (htmlMeta.TwitterCard.ContainsKey("card"))
+            Console.WriteLine($"Twitter Card Type: {htmlMeta.TwitterCard["card"]}");
+    }
+
+    if (htmlMeta.Language != null)
+        Console.WriteLine($"Language: {htmlMeta.Language}");
+
+    if (htmlMeta.Headers != null && htmlMeta.Headers.Count > 0)
+        Console.WriteLine($"Headers: {string.Join(", ", htmlMeta.Headers.Select(h => h.Text))}");
+
+    if (htmlMeta.Links != null && htmlMeta.Links.Count > 0)
+    {
+        foreach (var link in htmlMeta.Links)
+            Console.WriteLine($"Link: {link.Href} ({link.Text})");
+    }
+
+    if (htmlMeta.Images != null && htmlMeta.Images.Count > 0)
+        Console.WriteLine($"Images: {string.Join(", ", htmlMeta.Images.Select(i => i.Src))}");
+}
+```