Add Activepieces integration for workflow automation

- Add Activepieces fork with SmoothSchedule custom piece
- Create integrations app with Activepieces service layer
- Add embed token endpoint for iframe integration
- Create Automations page with embedded workflow builder
- Add sidebar visibility fix for embed mode
- Add list inactive customers endpoint to Public API
- Include SmoothSchedule triggers: event created/updated/cancelled
- Include SmoothSchedule actions: create/update/cancel events, list resources/services/customers

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

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

frontend/src/components/Sidebar.tsx

@@ -282,29 +282,16 @@ const Sidebar: React.FC<SidebarProps> = ({ business, user, isCollapsed, toggleCo
           </SidebarSection>
         )}
 
-        {/* Extend Section - Tasks & Automations */}
-        {(hasPermission('can_access_tasks') || hasPermission('can_access_automations')) && (
+        {/* Extend Section - Automations */}
+        {hasPermission('can_access_automations') && (
           <SidebarSection title={t('nav.sections.extend', 'Extend')} isCollapsed={isCollapsed}>
-            {hasPermission('can_access_tasks') && (
-              <SidebarItem
-                to="/dashboard/tasks"
-                icon={Clock}
-                label={t('nav.tasks', 'Tasks')}
-                isCollapsed={isCollapsed}
-                locked={!canUse('automations') || !canUse('tasks')}
-                badgeElement={<UnfinishedBadge />}
-              />
-            )}
-            {hasPermission('can_access_automations') && (
-              <SidebarItem
-                to="/dashboard/automations/my-automations"
-                icon={Plug}
-                label={t('nav.automations', 'Automations')}
-                isCollapsed={isCollapsed}
-                locked={!canUse('automations')}
-                badgeElement={<UnfinishedBadge />}
-              />
-            )}
+            <SidebarItem
+              to="/dashboard/automations"
+              icon={Plug}
+              label={t('nav.automations', 'Automations')}
+              isCollapsed={isCollapsed}
+              locked={!canUse('automations')}
+            />
           </SidebarSection>
         )}