feat(profile): add admin tools for manual category updates in backend cache

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

@@ -231,23 +231,6 @@ class _ProfileScreenState extends ConsumerState<ProfileScreen> {
                   : Text(context.l10n.profileSaveAction),
             ),
           ),
-          const SizedBox(height: 16),
-          const Divider(),
-          const SizedBox(height: 8),
-          SizedBox(
-            width: double.infinity,
-            child: OutlinedButton.icon(
-              onPressed: _isRefreshingCategories ? null : _refreshCategories,
-              icon: _isRefreshingCategories
-                  ? const SizedBox(
-                      height: 16,
-                      width: 16,
-                      child: CircularProgressIndicator(strokeWidth: 2),
-                    )
-                  : const Icon(Icons.refresh),
-              label: const Text('Uppdatera kategorier'),
-            ),
-          ),
         ],
       ),
     );
@@ -343,6 +326,44 @@ class _ProfileScreenState extends ConsumerState<ProfileScreen> {
           context.l10n.profileDatabaseDescription,
           style: Theme.of(context).textTheme.bodyMedium,
         ),
+        if (isAdmin) ...[
+          const SizedBox(height: 12),
+          Card(
+            child: Padding(
+              padding: const EdgeInsets.all(16),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text(
+                    'Adminverktyg',
+                    style: Theme.of(context).textTheme.titleMedium,
+                  ),
+                  const SizedBox(height: 8),
+                  Text(
+                    'Uppdatera kategorier manuellt i backend-cachen.',
+                    style: Theme.of(context).textTheme.bodyMedium,
+                  ),
+                  const SizedBox(height: 12),
+                  SizedBox(
+                    width: double.infinity,
+                    child: OutlinedButton.icon(
+                      onPressed:
+                          _isRefreshingCategories ? null : _refreshCategories,
+                      icon: _isRefreshingCategories
+                          ? const SizedBox(
+                              height: 16,
+                              width: 16,
+                              child: CircularProgressIndicator(strokeWidth: 2),
+                            )
+                          : const Icon(Icons.refresh),
+                      label: const Text('Uppdatera kategorier'),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
         const SizedBox(height: 12),
         SingleChildScrollView(
           scrollDirection: Axis.horizontal,