fix: update Firebase initialization and runtime config for environment variables

app/composables/useAuth.ts

@@ -17,17 +17,21 @@ export const useAuth = () => {
   const config = useRuntimeConfig()
 
   // Initialize Firebase if not already initialized
-  const initializeFirebase = () => {
+  const initializeFirebase = async () => {
     if (process.client && getApps().length === 0) {
+      console.log('Initializing Firebase with config:')
       const firebaseConfig = {
         apiKey: config.public.firebaseApiKey,
         authDomain: config.public.firebaseAuthDomain,
         projectId: config.public.firebaseProjectId,
         storageBucket: config.public.firebaseStorageBucket,
         messagingSenderId: config.public.firebaseMessagingSenderId,
-        appId: config.public.firebaseAppId
+        appId: config.public.firebaseAppId,
+        ...(config.public.firebaseMeasurementId
+          ? { measurementId: config.public.firebaseMeasurementId }
+          : {})
       }
-      initializeApp(firebaseConfig)
+      await initializeApp(firebaseConfig)
     }
   }