fix: reset processing state on retry in auth callback and update loading overlay title in welcome page

app/auth/callback/page.tsx

@@ -105,6 +105,7 @@ function AuthCallbackContent() {
 
   const handleRetry = () => {
     setError(null)
+    processedRef.current = false
     setIsRetrying(true)
   }
 

app/welcome/page.tsx

@@ -317,7 +317,7 @@ function WelcomeContent() {
   }
 
   if (switchingOrgId) {
-    return <LoadingOverlay logoSrc="/pulse_icon_no_margins.png" title="Switching workspace..." />
+    return <LoadingOverlay logoSrc="/pulse_icon_no_margins.png" title="Switching organization..." />
   }
 
   if (redirectingCheckout || (planLoading && step === 3)) {