Fix Events /pro 500 and align Plans UI with Accounting.

Use the Events user layout, match the Accounting/Invoice upgrade sidebar CTA, and tolerate a missing subscriptions table until migrate runs.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Services/Events/SubscriptionService.php

@@ -8,6 +8,7 @@ use App\Models\QrEventRegistration;
 use App\Models\User;
 use App\Services\Billing\BillingClient;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Schema;
 use Illuminate\Support\Str;
 
 class SubscriptionService
@@ -31,6 +32,10 @@ class SubscriptionService
 
     public function subscriptionFor(User $user): ?ProSubscription
     {
+        if (! Schema::hasTable('events_pro_subscriptions')) {
+            return null;
+        }
+
         return ProSubscription::where('user_id', $user->id)->first();
     }