Nomad changes

docs/snippets/csharp/advanced/custom_cache.cs

@@ -0,0 +1,63 @@
+using Kreuzberg;
+using System.Collections.Generic;
+
+class CustomCacheBackend
+{
+    private Dictionary<string, ExtractionResult> _cache = new();
+
+    public async Task<ExtractionResult> GetOrExtractAsync(
+        string filePath,
+        ExtractionConfig config)
+    {
+        var cacheKey = GenerateCacheKey(filePath, config);
+
+        if (_cache.TryGetValue(cacheKey, out var cachedResult))
+        {
+            Console.WriteLine("Using cached result");
+            return cachedResult;
+        }
+
+        var result = await KreuzbergLib.ExtractFileAsync(filePath, config);
+
+        _cache[cacheKey] = result;
+        Console.WriteLine("Result cached");
+
+        return result;
+    }
+
+    private string GenerateCacheKey(string filePath, ExtractionConfig config)
+    {
+        var configHash = config.ToString().GetHashCode();
+        return $"{filePath}:{configHash}";
+    }
+
+    public void ClearCache()
+    {
+        _cache.Clear();
+        Console.WriteLine("Cache cleared");
+    }
+}
+
+class Program
+{
+    static async Task Main()
+    {
+        var cacheBackend = new CustomCacheBackend();
+        var config = new ExtractionConfig { UseCache = true };
+
+        try
+        {
+            var result1 = await cacheBackend.GetOrExtractAsync("document.pdf", config);
+            Console.WriteLine($"Result 1: {result1.Content.Length} chars");
+
+            var result2 = await cacheBackend.GetOrExtractAsync("document.pdf", config);
+            Console.WriteLine($"Result 2: {result2.Content.Length} chars");
+
+            cacheBackend.ClearCache();
+        }
+        catch (KreuzbergException ex)
+        {
+            Console.WriteLine($"Error: {ex.Message}");
+        }
+    }
+}