feat: Centralized Error Handling & Crash Fixes

apps/mobile/packages/features/client/authentication/lib/src/data/repositories_impl/auth_repository_impl.dart

@@ -12,7 +12,9 @@ import 'package:krow_domain/krow_domain.dart'
         AccountExistsException,
         UserNotFoundException,
         UnauthorizedAppException,
-        PasswordMismatchException;
+        UnauthorizedAppException,
+        PasswordMismatchException,
+        NetworkException;
 import 'package:krow_domain/krow_domain.dart' as domain;
 
 import '../../domain/repositories/auth_repository_interface.dart';
@@ -63,6 +65,10 @@ class AuthRepositoryImpl
         throw InvalidCredentialsException(
           technicalMessage: 'Firebase error code: ${e.code}',
         );
+      } else if (e.code == 'network-request-failed') {
+        throw NetworkException(
+          technicalMessage: 'Firebase: ${e.message}',
+        );
       } else {
         throw SignInFailedException(
           technicalMessage: 'Firebase auth error: ${e.message}',
@@ -120,6 +126,10 @@ class AuthRepositoryImpl
           password: password,
           companyName: companyName,
         );
+      } else if (e.code == 'network-request-failed') {
+        throw NetworkException(
+          technicalMessage: 'Firebase: ${e.message}',
+        );
       } else {
         throw SignUpFailedException(
           technicalMessage: 'Firebase auth error: ${e.message}',

apps/mobile/packages/features/client/authentication/lib/src/presentation/pages/client_sign_in_page.dart

@@ -47,8 +47,11 @@ class ClientSignInPage extends StatelessWidget {
             final String errorMessage = state.errorMessage != null
                 ? translateErrorKey(state.errorMessage!)
                 : t.errors.generic.unknown;
-            ScaffoldMessenger.of(context).showSnackBar(
-              SnackBar(content: Text(errorMessage)),
+            UiSnackbar.show(
+              context,
+              message: errorMessage,
+              type: UiSnackbarType.error,
+              margin: const EdgeInsets.only(bottom: 120, left: 16, right: 16),
             );
           }
         },

apps/mobile/packages/features/client/authentication/lib/src/presentation/pages/client_sign_up_page.dart

@@ -51,8 +51,11 @@ class ClientSignUpPage extends StatelessWidget {
             final String errorMessage = state.errorMessage != null
                 ? translateErrorKey(state.errorMessage!)
                 : t.errors.generic.unknown;
-            ScaffoldMessenger.of(context).showSnackBar(
-              SnackBar(content: Text(errorMessage)),
+            UiSnackbar.show(
+              context,
+              message: errorMessage,
+              type: UiSnackbarType.error,
+              margin: const EdgeInsets.only(bottom: 120, left: 16, right: 16),
             );
           }
         },

apps/mobile/packages/features/client/authentication/lib/src/presentation/widgets/client_sign_up_page/client_sign_up_form.dart

@@ -47,9 +47,11 @@ class _ClientSignUpFormState extends State<ClientSignUpForm> {
 
   void _handleSubmit() {
     if (_passwordController.text != _confirmPasswordController.text) {
-      ScaffoldMessenger.of(
+      UiSnackbar.show(
         context,
-      ).showSnackBar(const SnackBar(content: Text('Passwords do not match')));
+        message: translateErrorKey('passwords_dont_match'),
+        type: UiSnackbarType.error,
+      );
       return;
     }