fix: prevent Firestore access for unverified users and add password prompt for resend

src/app/page.tsx

@@ -44,7 +44,7 @@ export default function Home() {
 
   // Load prayers from Firestore
   useEffect(() => {
-    if (!user) return;
+    if (!user || !user.emailVerified) return;
 
     const loadPrayers = async () => {
       try {