feat: Prevent double email sending by adding a ref and reset on failure in EmailVerifyPage

src/app/quickaction-dashboard/register-email-verify/page.tsx

@@ -16,12 +16,16 @@ export default function EmailVerifyPage() {
   const [resendCooldown, setResendCooldown] = useState(0)
   const [initialEmailSent, setInitialEmailSent] = useState(false)
   const inputsRef = useRef<Array<HTMLInputElement | null>>([])
+  const emailSentRef = useRef(false) // Prevent double email sending
 
   // Send verification email automatically on page load
   useEffect(() => {
-    if (!token || initialEmailSent) return
+    if (!token || initialEmailSent || emailSentRef.current) return
     
     const sendInitialEmail = async () => {
+      // Set the ref immediately to prevent race conditions
+      emailSentRef.current = true
+      
       try {
         const response = await fetch(`${process.env.NEXT_PUBLIC_API_BASE_URL}/api/send-verification-email`, {
           method: 'POST',
@@ -38,9 +42,13 @@ export default function EmailVerifyPage() {
           setResendCooldown(30) // Start cooldown after initial send
         } else {
           console.error('Failed to send initial verification email:', data.message)
+          // Reset ref on failure so it can be retried
+          emailSentRef.current = false
         }
       } catch (error) {
         console.error('Error sending initial verification email:', error)
+        // Reset ref on failure so it can be retried
+        emailSentRef.current = false
       }
     }