feat(app): add evaluation history, bot control panel, simulation visualizer, and vendored signalr_core

FinlyticApp/lib/features/auth/repositories/auth_repository.dart

@@ -36,11 +36,16 @@ class AuthRepository {
       'password': password,
     });
     if (res.statusCode == 200 && res.data != null) {
+      final token = res.data['token']?.toString() ?? '';
+
       if (res.data['requiresPasswordChange'] == true) {
+        // The backend already issues a valid JWT even when a password change is required, so it must be
+        // persisted here: the subsequent change-initial-password call is an [Authorize]-protected endpoint
+        // and has no other way to authenticate itself.
+        await storageService.saveToken(token);
         throw RequiresPasswordChangeException(res.data['userId']?.toString() ?? '');
       }
 
-      final token = res.data['token']?.toString() ?? '';
       final user = UserModel.fromJson(res.data, token: token);
       await storageService.saveToken(token);
       await storageService.saveUserEmail(user.email);
@@ -50,23 +55,6 @@ class AuthRepository {
     }
   }
 
-  Future<UserModel> register(String email, String password, String fullName) async {
-    final res = await apiClient.post('/api/v1/auth/register', data: {
-      'email': email,
-      'password': password,
-      'fullName': fullName,
-    });
-    if (res.statusCode == 200 && res.data != null) {
-      final token = res.data['token']?.toString() ?? '';
-      final user = UserModel.fromJson(res.data, token: token);
-      await storageService.saveToken(token);
-      await storageService.saveUserEmail(user.email);
-      return user;
-    } else {
-      throw Exception('Registrierung fehlgeschlagen');
-    }
-  }
-
   Future<bool> changeInitialPassword(String userId, String newPassword) async {
     final res = await apiClient.post('/api/v1/auth/change-initial-password', data: {
       'userId': userId,