feat: add profile screen and update routing; enhance login validation and logout functionality

flutter/lib/features/auth/presentation/login_screen.dart

@@ -22,6 +22,9 @@ class _LoginScreenState extends ConsumerState<LoginScreen> {
   }
 
   Future<void> _submit() async {
+    if (_usernameCtrl.text.trim().isEmpty || _passwordCtrl.text.isEmpty) {
+      return;
+    }
     await ref.read(authStateProvider.notifier).login(
           _usernameCtrl.text.trim(),
           _passwordCtrl.text,
@@ -47,12 +50,15 @@ class _LoginScreenState extends ConsumerState<LoginScreen> {
             TextField(
               controller: _usernameCtrl,
               decoration: const InputDecoration(labelText: 'Anvandarnamn'),
+              textInputAction: TextInputAction.next,
             ),
             const SizedBox(height: 12),
             TextField(
               controller: _passwordCtrl,
               decoration: const InputDecoration(labelText: 'Lösenord'),
               obscureText: true,
+              textInputAction: TextInputAction.done,
+              onSubmitted: (_) => _submit(),
             ),
             const SizedBox(height: 24),
             if (authState is AsyncLoading)

flutter/lib/features/profile/presentation/profile_screen.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../auth/data/auth_providers.dart';
+
+class ProfileScreen extends ConsumerWidget {
+  const ProfileScreen({super.key});
+
+  Future<void> _logout(BuildContext context, WidgetRef ref) async {
+    await ref.read(authStateProvider.notifier).logout();
+    if (context.mounted) context.go('/login');
+  }
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Profil'),
+        actions: [
+          IconButton(
+            tooltip: 'Recept',
+            icon: const Icon(Icons.restaurant_menu),
+            onPressed: () => context.go('/recipes'),
+          ),
+          IconButton(
+            tooltip: 'Logga ut',
+            icon: const Icon(Icons.logout),
+            onPressed: () => _logout(context, ref),
+          ),
+        ],
+      ),
+      body: const Center(
+        child: Text('Profilsida (grundversion)'),
+      ),
+    );
+  }
+}

flutter/lib/features/recipes/presentation/recipes_screen.dart

@@ -1,15 +1,36 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../auth/data/auth_providers.dart';
 import '../data/recipe_providers.dart';
 
 class RecipesScreen extends ConsumerWidget {
   const RecipesScreen({super.key});
 
+  Future<void> _logout(BuildContext context, WidgetRef ref) async {
+    await ref.read(authStateProvider.notifier).logout();
+    if (context.mounted) context.go('/login');
+  }
+
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final recipesAsync = ref.watch(recipesProvider);
     return Scaffold(
-      appBar: AppBar(title: const Text('Recept')),
+      appBar: AppBar(
+        title: const Text('Recept'),
+        actions: [
+          IconButton(
+            tooltip: 'Profil',
+            icon: const Icon(Icons.person),
+            onPressed: () => context.go('/profile'),
+          ),
+          IconButton(
+            tooltip: 'Logga ut',
+            icon: const Icon(Icons.logout),
+            onPressed: () => _logout(context, ref),
+          ),
+        ],
+      ),
       body: recipesAsync.when(
         loading: () => const Center(child: CircularProgressIndicator()),
         error: (e, _) => Center(child: Text('Fel: $e')),