fix: resolve all TypeScript build errors

- InteractiveMenu: block body on textRefs callback (void return)
- TextHoverEffect: remove stale @ts-expect-error (now unused)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/ui/InteractiveMenu.tsx

@@ -69,7 +69,9 @@ export function InteractiveMenu({ items, accentColor, onSelect }: InteractiveMen
             </span>
             <strong
               className={`interactive-menu__text${isActive ? 'active' : ''}`}
-              ref={(el) => (textRefs.current[index] = el as HTMLElement)}
+              ref={(el) => {
+                textRefs.current[index] = el as HTMLElement;
+              }}
             >
               {item.label}
             </strong>

src/components/ui/TextHoverEffect.tsx

@@ -45,7 +45,6 @@ export const TextHoverEffect = ({
       className={cn('cursor-pointer select-none', className)}
     >
       <defs>
-        {/* @ts-expect-error — motion.radialGradient is valid framer-motion SVG element */}
         <motion.radialGradient
           id="revealMask"
           gradientUnits="userSpaceOnUse"