Implement event creation frontend (EventCreateView)

Form with client-side validation, server error handling, aria-invalid/
aria-describedby for a11y, localStorage persistence via useEventStorage
composable. Routes for /create and /events/:token.

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

frontend/src/router/index.ts

@@ -10,12 +10,14 @@ const router = createRouter({
       component: HomeView,
     },
     {
-      path: '/about',
-      name: 'about',
-      // route level code-splitting
-      // this generates a separate chunk (About.[hash].js) for this route
-      // which is lazy-loaded when the route is visited.
-      component: () => import('../views/AboutView.vue'),
+      path: '/create',
+      name: 'create-event',
+      component: () => import('../views/EventCreateView.vue'),
+    },
+    {
+      path: '/events/:token',
+      name: 'event',
+      component: () => import('../views/EventStubView.vue'),
     },
   ],
 })