Fix local dev config and ALOTTTT OFF FLUTTER, im tired boss..

walkguide-mobile/walkguide_app/lib/features/ai_benchmark/ai_benchmark_screen.dart

@@ -10,6 +10,7 @@ import '../../app/injection_container.dart';
 import '../../core/ai/detection_export.dart';
 import '../../core/constants/app_constants.dart';
 import '../../core/services/tts_service.dart';
+import '../../core/utils/operation_guard.dart';
 import '../../shared/widgets/feature_page.dart';
 
 class AiBenchmarkScreen extends StatefulWidget {
@@ -79,11 +80,11 @@ class _AiBenchmarkScreenState extends State<AiBenchmarkScreen> {
     notifWatch.stop();
 
     final ttsWatch = Stopwatch()..start();
-    try {
-      await sl<TtsService>()
+    await guarded<void>(
+      () => sl<TtsService>()
           .speakImmediate(notificationText)
-          .timeout(const Duration(seconds: 3));
-    } catch (_) {}
+          .timeout(const Duration(seconds: 3)),
+    );
     ttsWatch.stop();
 
     final run = {
@@ -113,23 +114,27 @@ class _AiBenchmarkScreenState extends State<AiBenchmarkScreen> {
   Future<int> _measureCapture() async {
     final watch = Stopwatch()..start();
     CameraController? controller;
-    try {
+    await guarded<void>(
+      () async {
       final cameras =
           await availableCameras().timeout(const Duration(seconds: 3));
       if (cameras.isNotEmpty) {
-        controller = CameraController(
+        final activeController = CameraController(
           cameras.first,
           ResolutionPreset.low,
           enableAudio: false,
         );
-        await controller.initialize().timeout(const Duration(seconds: 5));
-        await controller.takePicture().timeout(const Duration(seconds: 5));
+        controller = activeController;
+        await activeController.initialize().timeout(const Duration(seconds: 5));
+        await activeController.takePicture().timeout(const Duration(seconds: 5));
       }
-    } catch (_) {
+      },
+      onError: (_) {},
+    );
+    if (controller == null) {
       await Future<void>.delayed(const Duration(milliseconds: 16));
-    } finally {
-      await controller?.dispose();
     }
+    await controller?.dispose();
     watch.stop();
     return watch.elapsedMilliseconds;
   }
@@ -273,7 +278,8 @@ class _StatusBox extends StatelessWidget {
 }
 
 Future<List<String>> _discoverTfliteModels() async {
-  try {
+  return await guarded<List<String>>(
+    () async {
     final manifestRaw = await rootBundle.loadString('AssetManifest.json');
     final manifest = jsonDecode(manifestRaw) as Map<String, dynamic>;
     final models = manifest.keys
@@ -282,9 +288,9 @@ Future<List<String>> _discoverTfliteModels() async {
         .toList()
       ..sort();
     return models;
-  } catch (_) {
-    return const [];
-  }
+    },
+  ) ??
+      const [];
 }
 
 String _two(int value) => value.toString().padLeft(2, '0');

walkguide-mobile/walkguide_app/lib/features/ai_benchmark/presentation/screens/ai_benchmark_screen.dart

@@ -0,0 +1 @@
+export '../../ai_benchmark_screen.dart';