Harden geofence automation and home editing

lib/features/homes/services/home_connection_change.dart

@@ -0,0 +1,14 @@
+import '../../../models/home_config.dart';
+
+bool hasHomeConnectionChanges({
+  required HomeConfig? originalHome,
+  required String normalizedUrl,
+  required String apiKey,
+  required String originalApiKey,
+}) {
+  if (originalHome == null) {
+    return true;
+  }
+
+  return normalizedUrl != originalHome.url || apiKey != originalApiKey;
+}