feat(tools): add get_random_words tool with Fisher-Yates shuffle

helpers/shuffle.ts

@@ -0,0 +1,11 @@
+const fishersYatesShuffle = <Type>(arr: Type[]): Type[] => {
+  const shuffled = [...arr]
+  for (let index = shuffled.length - 1; index > 0; index--) {
+    const secondIndex = Math.floor(Math.random() * (index + 1))
+    // biome-ignore lint/style/noNonNullAssertion: indices are guaranteed to be valid in Fisher-Yates shuffle
+    ;[shuffled[index]!, shuffled[secondIndex]!] = [shuffled[secondIndex]!, shuffled[index]!]
+  }
+  return shuffled
+}
+
+export default fishersYatesShuffle