Nomad changes

docs/snippets/zig/advanced/chunking_rag.md

@@ -0,0 +1,54 @@
+```zig title="Zig"
+const std = @import("std");
+const kreuzberg = @import("kreuzberg");
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer _ = gpa.deinit();
+    const allocator = gpa.allocator();
+
+    const config_json =
+        \\{
+        \\  "chunking": {
+        \\    "max_characters": 500,
+        \\    "overlap": 50,
+        \\    "embedding": {
+        \\      "model": {"type": "preset", "name": "balanced"},
+        \\      "normalize": true
+        \\    }
+        \\  }
+        \\}
+    ;
+
+    const result_json = try kreuzberg.extract_file_sync("research_paper.pdf", null, config_json);
+    defer std.heap.c_allocator.free(result_json);
+
+    var parsed = try std.json.parseFromSlice(std.json.Value, allocator, result_json, .{});
+    defer parsed.deinit();
+
+    const root = parsed.value;
+    if (root != .object) return;
+
+    const stdout = std.io.getStdOut().writer();
+
+    const chunks_val = root.object.get("chunks") orelse return;
+    if (chunks_val != .array) return;
+
+    for (chunks_val.array.items, 0..) |chunk, index| {
+        if (chunk != .object) continue;
+
+        if (chunk.object.get("content")) |content_val| {
+            if (content_val == .string) {
+                const preview_len = @min(100, content_val.string.len);
+                try stdout.print("Chunk {d}: {s}...\n", .{ index, content_val.string[0..preview_len] });
+            }
+        }
+
+        if (chunk.object.get("embedding")) |embedding_val| {
+            if (embedding_val == .array) {
+                try stdout.print("  Embedding: {d} dimensions\n", .{embedding_val.array.items.len});
+            }
+        }
+    }
+}
+```