Scope alarm tracking to selected templates and surface endpoint/security state on the dashboard so operators can deploy in large galaxies without drowning clients in irrelevant alarms or guessing what the server is advertising

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/ZB.MOM.WW.LmxOpcUa.Host/appsettings.json

@@ -8,6 +8,9 @@
     "MaxSessions": 100,
     "SessionTimeoutMinutes": 30,
     "AlarmTrackingEnabled": false,
+    "AlarmFilter": {
+      "ObjectFilters": []
+    },
     "ApplicationUri": null
   },
   "MxAccess": {