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>

frontend/src/components/Sidebar.tsx

@@ -291,6 +291,7 @@ const Sidebar: React.FC<SidebarProps> = ({ business, user, isCollapsed, toggleCo
               label={t('nav.automations', 'Automations')}
               isCollapsed={isCollapsed}
               locked={!canUse('automations')}
+              badgeElement={<UnfinishedBadge />}
             />
           </SidebarSection>
         )}