Nomad changes

docs/snippets/csharp/min_length_validator.md

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+```csharp title="C#"
+using Kreuzberg;
+
+var validator = new MinLengthValidator(minLength: 100);
+KreuzbergLib.RegisterValidator(validator);
+
+public class MinLengthValidator : IValidator
+{
+    private readonly int _minLength;
+
+    public MinLengthValidator(int minLength = 100)
+    {
+        _minLength = minLength;
+    }
+
+    public string Name() => "min_length_validator";
+    public string Version() => "1.0.0";
+    public int Priority() => 100;
+
+    public void Validate(Dictionary<string, object> result)
+    {
+        var contentLength = result["content"].ToString()?.Length ?? 0;
+        if (contentLength < _minLength)
+            throw new ValidationError($"Content too short: {contentLength}");
+    }
+
+    public bool ShouldValidate(Dictionary<string, object> result) => true;
+    public void Initialize() { }
+    public void Shutdown() { }
+}
+```