fix(sidebar): clip horizontal overflow on profile sheets

Defensive guard against content (long addresses, code spans, etc.)
forcing a horizontal scroll inside the hamburger / profile sheet.
The root cause for individual cards is addressed separately.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/components/layout/ProfileSheetTrigger.vue

@@ -50,7 +50,7 @@ const open = ref(false)
         </template>
       </button>
     </SheetTrigger>
-    <SheetContent side="bottom" class="h-[90vh] overflow-y-auto">
+    <SheetContent side="bottom" class="h-[90vh] overflow-y-auto overflow-x-hidden">
       <ProfileSheetContent />
     </SheetContent>
   </Sheet>

src/components/layout/StandaloneMenu.vue

@@ -53,7 +53,7 @@ function handleClick(item: SidebarNavItem) {
         <Menu class="w-5 h-5" />
       </button>
     </SheetTrigger>
-    <SheetContent side="right" class="w-80 sm:w-96 overflow-y-auto">
+    <SheetContent side="right" class="w-80 sm:w-96 max-w-full overflow-y-auto overflow-x-hidden">
       <ProfileSheetContent>
         <template v-if="props.items.length" #app-nav>
           <nav class="mt-4 space-y-1">