feat(api): update DeviceLocation model and clean up AuthRepositoryImpl and BillingPageSkeleton

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

@@ -10,7 +10,6 @@ import 'package:krow_domain/krow_domain.dart'
         AppException,
         BaseApiService,
         ClientSession,
-        InvalidCredentialsException,
         NetworkException,
         PasswordMismatchException,
         SignInFailedException,
@@ -28,7 +27,7 @@ import 'package:krow_domain/krow_domain.dart'
 class AuthRepositoryImpl implements AuthRepositoryInterface {
   /// Creates an [AuthRepositoryImpl] with the given [BaseApiService].
   AuthRepositoryImpl({required BaseApiService apiService})
-      : _apiService = apiService;
+    : _apiService = apiService;
 
   /// The V2 API service for backend calls.
   final BaseApiService _apiService;
@@ -46,23 +45,16 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
       // via Identity Toolkit and returns a full auth envelope.
       final ApiResponse response = await _apiService.post(
         AuthEndpoints.clientSignIn,
-        data: <String, dynamic>{
-          'email': email,
-          'password': password,
-        },
+        data: <String, dynamic>{'email': email, 'password': password},
       );
 
-      final Map<String, dynamic> body =
-          response.data as Map<String, dynamic>;
+      final Map<String, dynamic> body = response.data as Map<String, dynamic>;
 
       // Step 2: Sign in locally so AuthInterceptor can attach Bearer tokens
       // to subsequent requests. The V2 API already validated credentials, so
       // email/password sign-in establishes the local Firebase Auth state.
-      final firebase.UserCredential credential =
-          await _auth.signInWithEmailAndPassword(
-        email: email,
-        password: password,
-      );
+      final firebase.UserCredential credential = await _auth
+          .signInWithEmailAndPassword(email: email, password: password);
 
       final firebase.User? firebaseUser = credential.user;
       if (firebaseUser == null) {
@@ -106,11 +98,8 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
       // Step 2: Sign in locally to Firebase Auth so AuthInterceptor works
       // for subsequent requests. The V2 API already created the Firebase
       // account, so this should succeed.
-      final firebase.UserCredential credential =
-          await _auth.signInWithEmailAndPassword(
-        email: email,
-        password: password,
-      );
+      final firebase.UserCredential credential = await _auth
+          .signInWithEmailAndPassword(email: email, password: password);
 
       final firebase.User? firebaseUser = credential.user;
       if (firebaseUser == null) {
@@ -155,10 +144,7 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
       // Step 1: Call V2 sign-out endpoint for server-side token revocation.
       await _apiService.post(AuthEndpoints.clientSignOut);
     } catch (e) {
-      developer.log(
-        'V2 sign-out request failed: $e',
-        name: 'AuthRepository',
-      );
+      developer.log('V2 sign-out request failed: $e', name: 'AuthRepository');
       // Continue with local sign-out even if server-side fails.
     }
 
@@ -202,14 +188,14 @@ class AuthRepositoryImpl implements AuthRepositoryInterface {
             'userId': userJson['id'] ?? userJson['userId'],
           },
       };
-      final ClientSession clientSession =
-          ClientSession.fromJson(normalisedEnvelope);
+      final ClientSession clientSession = ClientSession.fromJson(
+        normalisedEnvelope,
+      );
       ClientSessionStore.instance.setSession(clientSession);
     }
 
-    final String userId =
-        userJson?['id'] as String? ?? firebaseUser.uid;
-    final String? email = userJson?['email'] as String? ?? fallbackEmail;
+    final String userId = userJson?['id'] as String? ?? firebaseUser.uid;
+    final String email = userJson?['email'] as String? ?? fallbackEmail;
 
     return User(
       id: userId,

apps/mobile/packages/features/client/billing/lib/src/presentation/widgets/billing_page_skeleton/billing_page_skeleton.dart

@@ -19,7 +19,7 @@ class BillingPageSkeleton extends StatelessWidget {
         padding: const EdgeInsets.all(UiConstants.space5),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
+          children: <Widget>[
             // Pending invoices section header
             const UiShimmerSectionHeader(),
             const SizedBox(height: UiConstants.space3),
@@ -39,7 +39,7 @@ class BillingPageSkeleton extends StatelessWidget {
               ),
               child: const Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
+                children: <Widget>[
                   UiShimmerLine(width: 160, height: 16),
                   SizedBox(height: UiConstants.space4),
                   // Breakdown rows

apps/mobile/packages/features/client/billing/lib/src/presentation/widgets/billing_page_skeleton/breakdown_row_skeleton.dart

@@ -10,7 +10,7 @@ class BreakdownRowSkeleton extends StatelessWidget {
   Widget build(BuildContext context) {
     return const Row(
       mainAxisAlignment: MainAxisAlignment.spaceBetween,
-      children: [
+      children: <Widget>[
         UiShimmerLine(width: 100, height: 14),
         UiShimmerLine(width: 60, height: 14),
       ],