style: apply dart formatting fixes across lib/ and test/

11 files had formatting inconsistencies that caused the
--set-exit-if-changed gate to fail. Automated formatting
via dart format now passes cleanly.

lib/live_info_business_object.dart

@@ -11,8 +11,8 @@ class LiveInfoBusinessObject extends ChangeNotifier {
     String? endpoint,
     int refreshIntervalSeconds = 20,
     this.requestTimeout = const Duration(seconds: 8),
-  })  : _endpointOverride = endpoint,
-        _refreshIntervalSeconds = refreshIntervalSeconds;
+  }) : _endpointOverride = endpoint,
+       _refreshIntervalSeconds = refreshIntervalSeconds;
 
   /// Explicit endpoint passed at construction, if any.
   final String? _endpointOverride;
@@ -23,12 +23,16 @@ class LiveInfoBusinessObject extends ChangeNotifier {
     if (override != null && override.isNotEmpty) {
       return override;
     }
-    const envUrl = String.fromEnvironment('KRYZ_LIVE_INFO_URL', defaultValue: '');
+    const envUrl = String.fromEnvironment(
+      'KRYZ_LIVE_INFO_URL',
+      defaultValue: '',
+    );
     if (envUrl.isNotEmpty) {
       return envUrl;
     }
     return AppConfig.metadataUrl ?? '';
   }
+
   final Duration requestTimeout;
 
   Timer? _pollTimer;