app working with sandbox

lib/screens/settings_screen.dart

@@ -1,11 +1,12 @@
-/// Settings tab: theme mode, data source, and about information.
+/// Settings tab: theme mode, API endpoint, and bank link status.
 library;
 
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
-import '../providers/item_provider.dart';
+import '../providers/bank_provider.dart';
 import '../providers/theme_provider.dart';
+import '../utils/connect_bank.dart';
 import '../utils/constants.dart';
 import '../utils/helpers.dart';
 import '../widgets/responsive_body.dart';
@@ -16,7 +17,7 @@ class SettingsScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final themeController = context.watch<ThemeController>();
-    final items = context.watch<ItemController>();
+    final bank = context.watch<BankController>();
     final theme = Theme.of(context);
 
     return Scaffold(
@@ -56,19 +57,58 @@ class SettingsScreen extends StatelessWidget {
               },
             ),
             const SizedBox(height: 28),
-            Text('Data', style: theme.textTheme.titleMedium),
+            Text('Backend', style: theme.textTheme.titleMedium),
             const SizedBox(height: 8),
             Card(
-              child: SwitchListTile(
-                title: const Text('Use remote sample API'),
-                subtitle: const Text(
-                  'When on, items are fetched with the http package from '
-                  'JSONPlaceholder. Failures fall back to local mock data.',
-                ),
-                value: items.useRemoteData,
-                onChanged: (value) => items.setUseRemoteData(value),
+              child: Column(
+                children: [
+                  ListTile(
+                    leading: const Icon(Icons.dns_outlined),
+                    title: const Text('API base URL'),
+                    subtitle: Text(bank.apiBaseUrl),
+                  ),
+                  const Divider(height: 1),
+                  ListTile(
+                    leading: Icon(
+                      bank.isLinked
+                          ? Icons.link
+                          : Icons.link_off_outlined,
+                    ),
+                    title: const Text('Bank link'),
+                    subtitle: Text(
+                      bank.isLinked
+                          ? 'Linked · ${bank.status.status}'
+                          : 'Not linked',
+                    ),
+                    trailing: bank.isLinked
+                        ? null
+                        : TextButton(
+                            onPressed: bank.isConnecting
+                                ? null
+                                : () => runConnectBank(context, bank),
+                            child: Text(
+                              bank.isConnecting ? 'Opening…' : 'Connect',
+                            ),
+                          ),
+                  ),
+                  const Divider(height: 1),
+                  const ListTile(
+                    leading: Icon(Icons.open_in_browser_outlined),
+                    title: Text('Enable Banking redirect'),
+                    subtitle: Text(kEnableBankingRedirectUri),
+                  ),
+                ],
               ),
             ),
+            const SizedBox(height: 12),
+            Text(
+              'Enable Banking only allows http(s) redirects. Keep '
+              '$kEnableBankingRedirectUri in the Control Panel and backend '
+              'REDIRECT_URI. The app captures that URL inside a WebView. '
+              'Override the API host with '
+              '`--dart-define=API_BASE_URL=http://<host>:8000`.',
+              style: theme.textTheme.bodyMedium,
+            ),
             const SizedBox(height: 28),
             Text('About', style: theme.textTheme.titleMedium),
             const SizedBox(height: 8),
@@ -78,7 +118,7 @@ class SettingsScreen extends StatelessWidget {
                   const ListTile(
                     leading: Icon(Icons.apps),
                     title: Text(kAppName),
-                    subtitle: Text('Generic Flutter Android starter'),
+                    subtitle: Text('Personal bank data via Enable Banking'),
                   ),
                   const Divider(height: 1),
                   const ListTile(