feat: enhance profile screen with tab navigation and admin panels

- Added tab navigation for profile, database, users, suggestions, and AI sections.
- Implemented database management with inventory, pantry, and products tabs.
- Created Admin AI panel to display AI model information.
- Introduced Admin Pending Products panel for managing product approvals.
- Developed Admin Users panel for user management, including role changes and password resets.
- Added data models for AI models and pending products.

flutter/lib/core/api/api_paths.dart

@@ -4,6 +4,12 @@ class AuthApiPaths {
 
 class ProductApiPaths {
   static const list = '/products';
+  static const pending = '/products/pending';
+  static String setStatus(int id) => '/products/$id/status';
+}
+
+class AiApiPaths {
+  static const models = '/ai/models';
 }
 
 class RecipeApiPaths {

flutter/lib/core/ui/app_shell.dart

@@ -81,13 +81,6 @@ class AppShell extends ConsumerWidget {
     final selectedDestination = dests[selectedIndex];
     final isWide = MediaQuery.of(context).size.width >= 900;
 
-    Future<void> logout() async {
-      await ref.read(authStateProvider.notifier).logout();
-      if (context.mounted) {
-        context.go('/login');
-      }
-    }
-
     void navigateTo(int index) {
       final target = dests[index].path;
       if (target != location && context.mounted) {
@@ -98,6 +91,13 @@ class AppShell extends ConsumerWidget {
     final isRecipesRoute = location.startsWith('/recipes') &&
         !location.startsWith('/recipes/');
 
+    Future<void> logout() async {
+      await ref.read(authStateProvider.notifier).logout();
+      if (context.mounted) {
+        context.go('/login');
+      }
+    }
+
     return Scaffold(
       appBar: AppBar(
         title: Text(selectedDestination.title),
@@ -139,10 +139,37 @@ class AppShell extends ConsumerWidget {
                 );
               },
             ),
-          IconButton(
-            tooltip: 'Logga ut',
-            icon: const Icon(Icons.logout),
-            onPressed: logout,
+          PopupMenuButton<String>(
+            tooltip: 'Profil och konto',
+            icon: const Icon(Icons.account_circle_outlined),
+            onSelected: (value) {
+              switch (value) {
+                case 'profile':
+                  if (location != '/profile' && context.mounted) {
+                    context.go('/profile');
+                  }
+                case 'logout':
+                  logout();
+              }
+            },
+            itemBuilder: (context) => const [
+              PopupMenuItem<String>(
+                value: 'profile',
+                child: ListTile(
+                  leading: Icon(Icons.person_outline),
+                  title: Text('Profil'),
+                  contentPadding: EdgeInsets.zero,
+                ),
+              ),
+              PopupMenuItem<String>(
+                value: 'logout',
+                child: ListTile(
+                  leading: Icon(Icons.logout),
+                  title: Text('Logga ut'),
+                  contentPadding: EdgeInsets.zero,
+                ),
+              ),
+            ],
           ),
         ],
       ),