Fix copiedType TypeScript state reference in WalkthroughTailor.tsx

src/components/WalkthroughTailor.tsx

@@ -56,6 +56,8 @@ export const WalkthroughTailor: React.FC<WalkthroughTailorProps> = ({
     insights: string;
   } | null>(null);
 
+  const [copiedType, setCopiedType] = useState<'resume' | 'cover' | null>(null);
+
   // Shoulder Surfing Mode State
   const [isSurfingActive, setIsSurfingActive] = useState(false);
   const [surfingStepIndex, setSurfingStepIndex] = useState(0);