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/test-results/.last-run.json

@@ -1,4 +1,8 @@
 {
-  "status": "passed",
-  "failedTests": []
+  "status": "failed",
+  "failedTests": [
+    "48355e96022c09342254-afc6f80c7b0d571cf29c",
+    "48355e96022c09342254-34a31faf9801d1748670",
+    "48355e96022c09342254-b1931f7c2caec15d8c31"
+  ]
 }