feat: Implement account management features

- Added ExpenseDetailDialog for displaying expense details and actions.
- Created ExpensesTab to list expenses for a group.
- Developed GroupExpensesPage to manage group expenses with tabs for expenses, balances, and settlements.
- Introduced SettlementsTab to show optimized repayment plans.
- Refactored create_trip_content.dart to remove CountBloc and related logic.
- Added Account model to manage user accounts and group members.
- Replaced CountRepository with AccountRepository for account-related operations.
- Removed CountService and CountRepository as part of the refactor.
- Updated main.dart and home.dart to integrate new account management components.

lib/components/account/add_expense_dialog.dart

@@ -3,9 +3,9 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:intl/intl.dart';
-import '../../blocs/count/count_bloc.dart';
-import '../../blocs/count/count_event.dart';
-import '../../blocs/count/count_state.dart';
+import '../../blocs/account/account_bloc.dart';
+import '../../blocs/account/account_event.dart';
+import '../../blocs/account/account_state.dart';
 import '../../blocs/user/user_state.dart' as user_state;
 import '../../data/models/group.dart';
 import '../../data/models/expense.dart';
@@ -148,7 +148,7 @@ class _AddExpenseDialogState extends State<AddExpenseDialog> {
 
     try {
       // Convertir en EUR
-      final amountInEur = await context.read<CountBloc>().state is ExpensesLoaded
+      final amountInEur = context.read<CountBloc>().state is ExpensesLoaded
           ? (context.read<CountBloc>().state as ExpensesLoaded)
               .exchangeRates[_selectedCurrency]! * amount
           : amount;
@@ -435,7 +435,7 @@ class _AddExpenseDialogState extends State<AddExpenseDialog> {
                               });
                             },
                           );
-                        }).toList(),
+                        }),
                       ],
                     ),
                   ),

lib/components/account/expense_detail_dialog.dart

@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:intl/intl.dart';
-import '../../blocs/count/count_bloc.dart';
-import '../../blocs/count/count_event.dart';
+import '../../blocs/account/account_bloc.dart';
+import '../../blocs/account/account_event.dart';
 import '../../blocs/user/user_bloc.dart';
 import '../../blocs/user/user_state.dart' as user_state;
 import '../../data/models/expense.dart';
@@ -67,7 +67,7 @@ class ExpenseDetailDialog extends StatelessWidget {
                           width: 80,
                           height: 80,
                           decoration: BoxDecoration(
-                            color: Colors.blue.withOpacity(0.1),
+                            color: Colors.blue.withValues(alpha: 0.1),
                             shape: BoxShape.circle,
                           ),
                           child: Icon(

lib/components/account/group_expenses_page.dart

@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import '../../blocs/count/count_bloc.dart';
-import '../../blocs/count/count_event.dart';
-import '../../blocs/count/count_state.dart';
+import '../../blocs/account/account_bloc.dart';
+import '../../blocs/account/account_event.dart';
+import '../../blocs/account/account_state.dart';
 import '../../blocs/user/user_bloc.dart';
 import '../../blocs/user/user_state.dart' as user_state;
 import '../../data/models/group.dart';

lib/components/home/create_trip_content.dart

@@ -9,8 +9,6 @@ import '../../blocs/trip/trip_event.dart';
 import '../../blocs/trip/trip_state.dart';
 import '../../blocs/group/group_bloc.dart';
 import '../../blocs/group/group_event.dart';
-import '../../blocs/count/count_bloc.dart';
-import '../../blocs/count/count_event.dart';
 import '../../data/models/group.dart';
 import '../../data/models/group_member.dart';
 import '../../services/user_service.dart';
@@ -572,7 +570,7 @@ class _CreateTripContentState extends State<CreateTripContent> {
       final group = Group(
         id: '', // Sera généré par Firestore
         name: _titleController.text.trim(),
-        tripId: tripId,
+        tripId: tripId, // ✅ ID du voyage récupéré
         createdBy: currentUser.id,
       );
 
@@ -591,15 +589,11 @@ class _CreateTripContentState extends State<CreateTripContent> {
             )),
       ];
 
-      // Créer le groupe
       context.read<GroupBloc>().add(CreateGroupWithMembers(
             group: group,
             members: groupMembers,
           ));
 
-      // ✅ AJOUT : Attendre un court instant pour que le groupe soit créé
-      await Future.delayed(const Duration(milliseconds: 500));
-
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(