implemented a comprehensive client-side demo mode triggered by a "demo@" username prefix, serving curated fixture data for all app modules

lib/state/app/modules/breaker/data_provider/breaker_data_provider.dart

@@ -12,9 +12,9 @@ class BreakerDataProvider {
     bool renew = true,
     void Function(Object)? onError,
   }) => resolveFromCache<GetBreakersResponse>(
-    (onUpdate, onError) =>
-        GetBreakersCache(renew: renew, onUpdate: onUpdate, onError: onError),
-    onError: onError,
-    operationName: 'getBreakers',
-  );
+      (onUpdate, onError) =>
+          GetBreakersCache(renew: renew, onUpdate: onUpdate, onError: onError),
+      onError: onError,
+      operationName: 'getBreakers',
+    );
 }