fix: hide onboarding when blocking screen is active

Onboarding tutorial was appearing on top of the channel subscription
screen because Dashboard still mounts behind BlockingOverlay.
Added blockingType check to prevent onboarding from triggering.

src/pages/Dashboard.tsx

@@ -3,6 +3,7 @@ import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { Link, useNavigate } from 'react-router';
 import { useTranslation } from 'react-i18next';
 import { useAuthStore } from '../store/auth';
+import { useBlockingStore } from '../store/blocking';
 import { subscriptionApi } from '../api/subscription';
 import { referralApi } from '../api/referral';
 import { balanceApi } from '../api/balance';
@@ -54,6 +55,7 @@ export default function Dashboard() {
   const [trialError, setTrialError] = useState<string | null>(null);
   const { isCompleted: isOnboardingCompleted, complete: completeOnboarding } = useOnboarding();
   const [showOnboarding, setShowOnboarding] = useState(false);
+  const { blockingType } = useBlockingStore();
 
   // Refresh user data on mount
   useEffect(() => {
@@ -185,13 +187,14 @@ export default function Dashboard() {
   const hasNoSubscription = subscriptionResponse?.has_subscription === false && !subLoading;
 
   // Show onboarding for new users after data loads
+  // Skip if a blocking screen is active (channel subscription, maintenance, etc.)
   useEffect(() => {
-    if (!isOnboardingCompleted && !subLoading && !refLoading) {
+    if (!isOnboardingCompleted && !subLoading && !refLoading && !blockingType) {
       // Small delay to ensure DOM is ready
       const timer = setTimeout(() => setShowOnboarding(true), 500);
       return () => clearTimeout(timer);
     }
-  }, [isOnboardingCompleted, subLoading, refLoading]);
+  }, [isOnboardingCompleted, subLoading, refLoading, blockingType]);
 
   // Define onboarding steps based on available data
   const onboardingSteps = useMemo(() => {