migrate to root dir

lib/pipeline/chunker.ts

@@ -0,0 +1,11 @@
+export function chunkText(text: string, chunkSize: number): string[] {
+  const words = text.split(/\s+/);
+  const chunks: string[] = [];
+
+  for (let i = 0; i < words.length; i += chunkSize) {
+    const chunk = words.slice(i, i + chunkSize).join(" ");
+    chunks.push(chunk);
+  }
+
+  return chunks;
+}