fix: local_files hot-reload via RwLock state fields and rebuild_registry

k-tv-frontend/app/(main)/tv/page.tsx

@@ -884,7 +884,7 @@ function TvPageContent() {
             </div>
 
             {/* Bottom: banner + info row */}
-            <div className="flex flex-col gap-3 bg-gradient-to-t from-black/80 via-black/40 to-transparent p-5 pt-20">
+            <div className="flex flex-col gap-3 bg-linear-to-t from-black/80 via-black/40 to-transparent p-5 pt-20">
               {showBanner && nextSlot && (
                 <UpNextBanner
                   nextShowTitle={nextSlot.item.title}