feat(n8n-webhook): add compact approval history views

skills/n8n-webhook/assets/test-verify-calendar-event-cycle.json

@@ -0,0 +1,11 @@
+{
+  "action": "create_calendar_event",
+  "request_id": "verify-calendar-event-cycle-001",
+  "args": {
+    "calendar": "primary",
+    "title": "[zap verify] Calendar event cycle smoke",
+    "start": "2030-01-15T18:00:00Z",
+    "end": "2030-01-15T18:30:00Z",
+    "description": "Recurring verification payload for the n8n Google Workspace action bus. Queue this event, approve it through the gog bridge, verify the created calendar event, then delete the event as cleanup."
+  }
+}