Clean project: remove test files, debug logs, and add documentation

unionflow-mobile-apps/lib/features/auth/presentation/pages/keycloak_webview_auth_page.dart

@@ -395,7 +395,7 @@ class _KeycloakWebViewAuthPageState extends State<KeycloakWebViewAuthPage>
                   ? null
                   : _loadingProgress,
               backgroundColor: ColorTokens.onPrimary.withOpacity(0.3),
-              valueColor: AlwaysStoppedAnimation<Color>(ColorTokens.onPrimary),
+              valueColor: const AlwaysStoppedAnimation<Color>(ColorTokens.onPrimary),
             );
           },
         ),
@@ -492,7 +492,7 @@ class _KeycloakWebViewAuthPageState extends State<KeycloakWebViewAuthPage>
             Container(
               width: 80,
               height: 80,
-              decoration: BoxDecoration(
+              decoration: const BoxDecoration(
                 color: Colors.green,
                 shape: BoxShape.circle,
               ),
@@ -535,7 +535,7 @@ class _KeycloakWebViewAuthPageState extends State<KeycloakWebViewAuthPage>
             Container(
               width: 80,
               height: 80,
-              decoration: BoxDecoration(
+              decoration: const BoxDecoration(
                 color: ColorTokens.error,
                 shape: BoxShape.circle,
               ),

unionflow-mobile-apps/lib/features/auth/presentation/pages/login_page.dart

@@ -5,7 +5,6 @@ library login_page;
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import '../../../../core/auth/bloc/auth_bloc.dart';
-import '../../../../core/auth/models/user_role.dart';
 import '../../../../core/design_system/tokens/typography_tokens.dart';
 import 'keycloak_webview_auth_page.dart';