removed backend url check, only a few critical urls to verify connectivity

src/Agent/AutopilotMonitor.Agent.Core/Monitoring/Collectors/NetworkChangeDetector.cs

@@ -226,10 +226,13 @@ namespace AutopilotMonitor.Agent.Core.Monitoring.Collectors
 
             // Build endpoint list: static MDM endpoints + dynamic backend URL
             var endpoints = new List<(string Name, string Url)>(MdmEndpoints);
-            if (!string.IsNullOrEmpty(_apiBaseUrl))
-            {
-                endpoints.Add(("Autopilot Monitor API", _apiBaseUrl));
-            }
+            // Optionally add the Autopilot Monitor API endpoint, but we don't want to cause false alarms if it's down or unreachable, 
+            // since it's not critical for enrollment success and may be available only after certain network changes (e.g. if it's behind a captive portal). 
+            // For now, we can omit it from the critical checks.
+            // if (!string.IsNullOrEmpty(_apiBaseUrl))
+            // {
+            //     endpoints.Add(("Autopilot Monitor API", _apiBaseUrl));
+            // }
 
             // Run all checks in parallel
             var tasks = endpoints.Select(ep => CheckEndpointAsync(ep.Name, ep.Url)).ToArray();

src/Agent/AutopilotMonitor.Agent/buildcounter.txt

@@ -1 +1 @@
-453
+454