Stripe fix and email verification fix

src/pages/VerifyEmail.js

@@ -1,4 +1,4 @@
-import React, { useEffect, useState } from 'react';
+import React, { useEffect, useState, useRef } from 'react';
 import { useNavigate, useSearchParams, Link } from 'react-router-dom';
 import axios from 'axios';
 import { Button } from '../components/ui/button';
@@ -15,9 +15,16 @@ const VerifyEmail = () => {
   const [status, setStatus] = useState('loading');
   const [message, setMessage] = useState('');
   const token = searchParams.get('token');
+  const hasVerified = useRef(false);
 
   useEffect(() => {
     const verifyEmail = async () => {
+      // Prevent double execution in React StrictMode
+      if (hasVerified.current) {
+        return;
+      }
+      hasVerified.current = true;
+
       if (!token) {
         setStatus('error');
         setMessage('Invalid verification link.');