feat: init desktop view

lib/main.dart

@@ -3,7 +3,8 @@ import 'package:flutter/material.dart';
 import 'package:system_theme/system_theme.dart';
 
 import 'logic/theme.dart' show buildThemeData;
-import 'views/system/lock.dart';
+import 'views/desktop.dart';
+import 'views/lock.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -37,7 +38,11 @@ class MyApp extends StatelessWidget {
             brightness: Brightness.dark,
           ),
           themeMode: ThemeMode.dark,
-          home: const SystemLockView(),
+          routes: {
+            '/': (_) => const DesktopView(),
+            '/lock': (_) => const LockView(),
+          },
+          initialRoute: '/lock',
         ),
       );
   }

lib/views/desktop.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+import '../../widgets/system_layout.dart';
+
+class DesktopView extends StatefulWidget {
+  const DesktopView({ super.key });
+
+  @override
+  State<DesktopView> createState() => _DesktopViewState();
+}
+
+class _DesktopViewState extends State<DesktopView> {
+  @override
+  Widget build(BuildContext context) =>
+    SystemLayout(
+      body: Container(),
+    );
+}

lib/views/system/lock.dart → lib/views/lock.dart

@@ -8,20 +8,20 @@ import '../../widgets/draggable.dart';
 import '../../widgets/keypad.dart';
 import '../../widgets/system_layout.dart';
 
-class SystemLockView extends StatefulWidget {
-  const SystemLockView({ super.key });
+class LockView extends StatefulWidget {
+  const LockView({ super.key });
 
   @override
-  State<SystemLockView> createState() => _SystemLockViewState();
+  State<LockView> createState() => _LockViewState();
 }
 
-class _SystemLockViewState extends State<SystemLockView> {
+class _LockViewState extends State<LockView> {
   static const platform = MethodChannel('com.expidusos.genesis.shell/auth');
 
   TextEditingController passcodeController = TextEditingController();
   String? errorText = null;
 
-  void _onSubmitted(String input) {
+  void _onSubmitted(BuildContext context, String input) {
     setState(() {
       errorText = null;
     });
@@ -34,7 +34,9 @@ class _SystemLockViewState extends State<SystemLockView> {
         errorText = null;
       });
 
-      // TODO: jump to desktop
+      final nav = Navigator.of(context);
+      if (nav.canPop()) nav.pop();
+      else nav.pushReplacementNamed('/');
     }).catchError((err) => setState(() {
       if (err is PlatformException) {
         errorText = '${err.code}: ${err.message}: ${err.details.toString()}';
@@ -127,7 +129,7 @@ class _SystemLockViewState extends State<SystemLockView> {
                                 errorText: errorText,
                               ),
                               style: Theme.of(context).textTheme.displayMedium,
-                              onSubmitted: _onSubmitted,
+                              onSubmitted: (input) => _onSubmitted(context, input),
                             ),
                           ),
                           Keypad(
@@ -145,7 +147,7 @@ class _SystemLockViewState extends State<SystemLockView> {
                                   }
                                 });
                               } else if (icon == Icons.keyboard_return) {
-                                _onSubmitted(passcodeController.text);
+                                _onSubmitted(context, passcodeController.text);
                               }
                             },
                           ),

lib/widgets/system_bar.dart

@@ -21,6 +21,7 @@ class SystemBar extends StatelessWidget implements PreferredSizeWidget {
   @override
   Widget build(BuildContext context) =>
     AppBar(
+      automaticallyImplyLeading: false,
       backgroundColor: Theme.of(context).colorScheme.inversePrimary,
       actions: [
         Scaffold.of(context).hasEndDrawer ?