Merge mediahive.

frontend/src/main.ts

@@ -0,0 +1,10 @@
+import { createApp } from 'vue'
+import App from './App.vue'
+import router from './router'
+import './styles/main.css'
+import { installKeyboardNavigation } from './composables/useKeyboardNavigation'
+
+// Install global keyboard navigation handlers immediately
+installKeyboardNavigation()
+
+createApp(App).use(router).mount('#app')