Added qwen to serve as an repair agent.

.setup-templates/templates/utils.ts

@@ -0,0 +1,76 @@
+// ── Utility Functions ────────────────────────────────────────────────
+// Auto-generated by self-healing setup. Edit .setup-templates/templates/utils.ts to customize.
+
+import { clsx, type ClassValue } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+export function formatDate(date: Date | string, options?: Intl.DateTimeFormatOptions): string {
+  const d = typeof date === "string" ? new Date(date) : date;
+  return d.toLocaleDateString("en-US", {
+    year: "numeric",
+    month: "short",
+    day: "numeric",
+    ...options,
+  });
+}
+
+export function formatTime(date: Date | string): string {
+  const d = typeof date === "string" ? new Date(date) : date;
+  return d.toLocaleTimeString("en-US", { hour: "numeric", minute: "2-digit", hour12: true });
+}
+
+export function formatCurrency(amount: number, currency = "USD"): string {
+  return new Intl.NumberFormat("en-US", { style: "currency", currency }).format(amount);
+}
+
+export function truncate(str: string, length: number): string {
+  if (str.length <= length) return str;
+  return str.slice(0, length - 3) + "...";
+}
+
+export function generateId(): string {
+  return crypto.randomUUID();
+}
+
+export function debounce<T extends (...args: unknown[]) => unknown>(
+  fn: T,
+  delay: number
+): (...args: Parameters<T>) => void {
+  let timeoutId: ReturnType<typeof setTimeout>;
+  return (...args: Parameters<T>) => {
+    clearTimeout(timeoutId);
+    timeoutId = setTimeout(() => fn(...args), delay);
+  };
+}
+
+export function throttle<T extends (...args: unknown[]) => unknown>(
+  fn: T,
+  limit: number
+): (...args: Parameters<T>) => void {
+  let inThrottle = false;
+  return (...args: Parameters<T>) => {
+    if (!inThrottle) {
+      fn(...args);
+      inThrottle = true;
+      setTimeout(() => (inThrottle = false), limit);
+    }
+  };
+}
+
+export function classNames(...classes: (string | boolean | undefined | null)[]): string {
+  return classes.filter(Boolean).join(" ");
+}
+
+export function sleep(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+export function retry<T>(fn: () => Promise<T>, retries = 3, delay = 1000): Promise<T> {
+  return fn().catch((err) =>
+    retries > 0 ? sleep(delay).then(() => retry(fn, retries - 1, delay * 2)) : Promise.reject(err)
+  );
+}