Nomad changes

docs/snippets/csharp/llm/structured_extraction.md

@@ -0,0 +1,41 @@
+<!-- snippet:syntax-only -->
+
+```csharp title="C#"
+using Kreuzberg;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+
+var schema = JsonNode.Parse("""
+{
+    "type": "object",
+    "properties": {
+        "title": { "type": "string" },
+        "authors": { "type": "array", "items": { "type": "string" } },
+        "date": { "type": "string" }
+    },
+    "required": ["title", "authors", "date"],
+    "additionalProperties": false
+}
+""")!;
+
+var config = new ExtractionConfig
+{
+    StructuredExtraction = new StructuredExtractionConfig
+    {
+        Schema = schema,
+        SchemaName = "paper_metadata",
+        Strict = true,
+        Llm = new LlmConfig
+        {
+            Model = "openai/gpt-4o-mini",
+        },
+    },
+};
+
+var result = await KreuzbergLib.ExtractFile("paper.pdf", null, config);
+
+if (result.StructuredOutput is not null)
+{
+    Console.WriteLine(JsonSerializer.Serialize(result.StructuredOutput));
+}
+```