fix: react-doctor control-has-associated-label 137→? (auto aria-labels)

Add aria-label to buttons (icon-only, pagination, action) and inputs
(placeholder-derived) via balanced-brace JSX parser. Files with complex
onClick expressions (deep brace nesting) skipped to avoid breakage.

src/app/tuxedo/faq/FAQClientPage.tsx

@@ -168,7 +168,7 @@ export default function TuxedoFAQPage() {
               <button type="button"
                 onClick={() => setSearchQuery("")}
                 className="absolute inset-y-0 right-4 flex items-center text-stone-400 hover:text-stone-600 transition-colors"
-              >
+               aria-label="Close">
                 <svg className="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
                   <path strokeLinecap="round" strokeLinejoin="round" d="M6 18L18 6M6 6l12 12" />
                 </svg>