feat: Implement user topic subscription

supabase/functions/process-scheduled-deletions/index.ts

@@ -128,6 +128,30 @@ serve(async (req) => {
           .delete()
           .eq('user_id', deletion.user_id);
 
+        // Remove from Novu before deleting auth user
+        try {
+          console.log(`Removing Novu subscriber: ${deletion.user_id}`);
+          
+          const { error: novuError } = await supabaseAdmin.functions.invoke(
+            'remove-novu-subscriber',
+            {
+              body: { 
+                subscriberId: deletion.user_id,
+                deleteSubscriber: true // Also delete the subscriber entirely
+              }
+            }
+          );
+          
+          if (novuError) {
+            console.error('Failed to remove Novu subscriber:', novuError);
+          } else {
+            console.log('Novu subscriber removed successfully');
+          }
+        } catch (novuError) {
+          // Non-blocking - log but continue with deletion
+          console.error('Error removing Novu subscriber:', novuError);
+        }
+
         // Update deletion request status
         await supabaseAdmin
           .from('account_deletion_requests')