feat: add PageMeta, animation classes, and layout fixes to remaining pages

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

frontend/src/pages/MySharesPage.tsx

@@ -122,7 +122,7 @@ export default function MySharesPage() {
   }
 
   return (
-    <>
+    <div className="overflow-y-auto h-full">
     <PageMeta title="My Shares" />
     <div className="container mx-auto px-4 py-6 sm:px-6 sm:py-8">
       {/* Back link */}
@@ -244,6 +244,6 @@ export default function MySharesPage() {
         confirmLabel="Revoke"
       />
     </div>
-    </>
+    </div>
   )
 }