Nomad changes

docs/snippets/csharp/utils/extract_keywords.cs

@@ -0,0 +1,62 @@
+```csharp title="extract_keywords.cs"
+using Kreuzberg;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+var config = new ExtractionConfig
+{
+    Keywords = new KeywordConfig
+    {
+        Algorithm = KeywordAlgorithm.YAKE,
+        MaxKeywords = 10,
+        MinScore = 0.3
+    }
+};
+
+var result = KreuzbergLib.ExtractFileSync("research_paper.pdf", config);
+
+Console.WriteLine("Extracted Keywords:");
+if (result.Metadata.Keywords != null)
+{
+    foreach (var keyword in result.Metadata.Keywords.OrderByDescending(k => k.Score))
+    {
+        Console.WriteLine($"  - {keyword.Text}: {keyword.Score:F3}");
+    }
+}
+else
+{
+    Console.WriteLine("  (No keywords extracted)");
+}
+
+var tfidfConfig = new ExtractionConfig
+{
+    Keywords = new KeywordConfig
+    {
+        Algorithm = KeywordAlgorithm.TfIdf,
+        MaxKeywords = 15,
+        MinScore = 0.2
+    }
+};
+
+var tfidfResult = KreuzbergLib.ExtractFileSync("document.pdf", tfidfConfig);
+
+Console.WriteLine("\nTF-IDF Keywords:");
+if (tfidfResult.Metadata.Keywords != null)
+{
+    var topKeywords = tfidfResult.Metadata.Keywords
+        .OrderByDescending(k => k.Score)
+        .Take(10)
+        .ToList();
+
+    foreach (var keyword in topKeywords)
+    {
+        Console.WriteLine($"  - {keyword.Text}: {keyword.Score:F3}");
+    }
+}
+
+Console.WriteLine($"\nKeyword Extraction Summary:");
+Console.WriteLine($"  - Algorithm: YAKE");
+Console.WriteLine($"  - Total Keywords: {result.Metadata.Keywords?.Count ?? 0}");
+Console.WriteLine($"  - Top Keyword: {result.Metadata.Keywords?.FirstOrDefault()?.Text}");
+```