fixed: [BUG] crypto.randomUUID is not a function Runtime Error #205. Added fallback function with manual UUID generation if crypto.randomUUID() was not available.

apps/web/src/lib/utils.ts

@@ -5,4 +5,34 @@ import { twMerge } from "tailwind-merge";
 
 export function cn(...inputs: ClassValue[]) {
   return twMerge(clsx(inputs));
+}
+
+/**
+ * Generates a UUID v4 string
+ * Uses crypto.randomUUID() if available, otherwise falls back to a custom implementation
+ */
+export function generateUUID(): string {
+  // Use the native crypto.randomUUID if available
+  if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
+    return crypto.randomUUID();
+  }
+
+  // Secure fallback using crypto.getRandomValues
+  const bytes = new Uint8Array(16);
+  crypto.getRandomValues(bytes);
+
+  // Set version 4 (UUIDv4)
+  bytes[6] = (bytes[6] & 0x0f) | 0x40;
+  // Set variant 10xxxxxx
+  bytes[8] = (bytes[8] & 0x3f) | 0x80;
+
+  const hex = [...bytes].map(b => b.toString(16).padStart(2, '0'));
+
+  return (
+    hex.slice(0, 4).join('') + '-' +
+    hex.slice(4, 6).join('') + '-' +
+    hex.slice(6, 8).join('') + '-' +
+    hex.slice(8, 10).join('') + '-' +
+    hex.slice(10, 16).join('')
+  );
 }