Add event status trigger, improve test coverage, and UI enhancements

- Add event-status-changed trigger for SmoothSchedule Activepieces piece
- Add comprehensive test coverage for payments, tickets, messaging, mobile
- Add test coverage for core services, signals, consumers, and views
- Improve Activepieces UI: templates, billing hooks, project hooks
- Update marketing automation showcase and workflow visual components
- Add public API endpoints for availability

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

activepieces-fork/packages/react-ui/src/features/templates/components/template-details-view.tsx

@@ -13,11 +13,15 @@ export const TemplateDetailsView = ({ template }: TemplateDetailsViewProps) => {
   return (
     <div className="px-2">
       <div className="mb-4 p-8 flex items-center justify-center gap-2 width-full bg-green-300 rounded-lg">
-        <PieceIconList
-          size="xxl"
-          trigger={template.flows![0].trigger}
-          maxNumberOfIconsToShow={3}
-        />
+        {template.flows && template.flows.length > 0 && template.flows[0].trigger ? (
+          <PieceIconList
+            size="xxl"
+            trigger={template.flows[0].trigger}
+            maxNumberOfIconsToShow={3}
+          />
+        ) : (
+          <div className="h-16 w-16 rounded bg-muted" />
+        )}
       </div>
       <ScrollArea className="px-2 min-h-[156px] h-[calc(70vh-144px)] max-h-[536px]">
         <div className="mb-4 text-lg font-medium font-black">