fix(auth): connexion admin - token snake_case, routes GoRouter, profil (Closes #84)

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/lib/config/app_router.dart

@@ -19,6 +19,8 @@ import '../screens/auth/am_register_step2_screen.dart';
 import '../screens/auth/am_register_step3_screen.dart';
 import '../screens/auth/am_register_step4_screen.dart';
 import '../screens/home/home_screen.dart';
+import '../screens/administrateurs/admin_dashboardScreen.dart';
+import '../screens/home/parent_screen/ParentDashboardScreen.dart';
 import '../screens/unknown_screen.dart';
 
 // --- Provider Instances ---
@@ -47,6 +49,18 @@ class AppRouter {
         path: '/home',
         builder: (BuildContext context, GoRouterState state) => const HomeScreen(),
       ),
+      GoRoute(
+        path: '/admin-dashboard',
+        builder: (BuildContext context, GoRouterState state) => const AdminDashboardScreen(),
+      ),
+      GoRoute(
+        path: '/parent-dashboard',
+        builder: (BuildContext context, GoRouterState state) => const ParentDashboardScreen(),
+      ),
+      GoRoute(
+        path: '/am-dashboard',
+        builder: (BuildContext context, GoRouterState state) => const HomeScreen(),
+      ),
 
       // --- Parent Registration Flow ---
       ShellRoute(