fix(mobile-menu): isolate mobile menu from hx-boost to prevent state persistence issues

partials/mobile-menu.hbs

@@ -1,7 +1,14 @@
 <div id="mobile-menu" 
     x-show="$store.mobileMenu.open"
+    x-transition:enter="transition ease-out duration-300"
+    x-transition:enter-start="-translate-x-full"
+    x-transition:enter-end="translate-x-0"
+    x-transition:leave="transition ease-in duration-300"
+    x-transition:leave-start="translate-x-0"
+    x-transition:leave-end="-translate-x-full"
     class="fixed inset-0 z-50 bg-[var(--bg-primary)] flex flex-col md:hidden"
     @click.away="$store.mobileMenu.close()"
+    hx-boost="false"
     x-cloak>
     
     <!-- Mobile Menu Header -->