Nomad changes

docs/snippets/zig/llm/structured_extraction.md

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+<!-- snippet:syntax-only -->
+
+```zig title="Zig"
+const std = @import("std");
+const kreuzberg = @import("kreuzberg");
+
+// Structured extraction is configured via the JSON `structured_extraction`
+// field on `ExtractionConfig`. The schema is a JSON Schema string and
+// `llm.model` selects the provider via liter-llm.
+pub fn main() !void {
+    const config_json =
+        \\{
+        \\  "structured_extraction": {
+        \\    "schema": "{\"type\":\"object\",\"properties\":{\"title\":{\"type\":\"string\"},\"authors\":{\"type\":\"array\",\"items\":{\"type\":\"string\"}},\"date\":{\"type\":\"string\"}},\"required\":[\"title\",\"authors\",\"date\"],\"additionalProperties\":false}",
+        \\    "schema_name": "Paper",
+        \\    "strict": true,
+        \\    "llm": {
+        \\      "model": "openai/gpt-4o-mini"
+        \\    }
+        \\  }
+        \\}
+    ;
+
+    const result_json = try kreuzberg.extract_file_sync("paper.pdf", null, config_json);
+    defer std.heap.c_allocator.free(result_json);
+
+    const stdout = std.io.getStdOut().writer();
+    try stdout.print("{s}\n", .{result_json});
+}
+```