fix: comment out unimplemented sidebar links

Comment out links to pages not yet implemented:
- notifications-settings
- profile
- api-keys

These were causing 404 errors when clicked.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/templates/admin/partials/sidebar.html

@@ -122,15 +122,17 @@
         {{ menu_item('imports', '/admin/imports', 'cube', 'Import Jobs') }}
         {{ menu_item('background-tasks', '/admin/background-tasks', 'collection', 'Background Tasks') }}
         {{ menu_item('logs', '/admin/logs', 'document-text', 'Application Logs') }}
-        {{ menu_item('notifications-settings', '/admin/notifications-settings', 'bell', 'Notifications') }}
+        {# TODO: Implement notifications settings page #}
+        {# {{ menu_item('notifications-settings', '/admin/notifications-settings', 'bell', 'Notifications') }} #}
     {% endcall %}
 
     <!-- Platform Settings Section -->
     {{ section_header('Platform Settings', 'settingsSection') }}
     {% call section_content('settingsSection') %}
         {{ menu_item('settings', '/admin/settings', 'cog', 'General') }}
-        {{ menu_item('profile', '/admin/profile', 'user-circle', 'Profile') }}
-        {{ menu_item('api-keys', '/admin/api-keys', 'key', 'API Keys') }}
+        {# TODO: Implement profile and API keys pages #}
+        {# {{ menu_item('profile', '/admin/profile', 'user-circle', 'Profile') }} #}
+        {# {{ menu_item('api-keys', '/admin/api-keys', 'key', 'API Keys') }} #}
     {% endcall %}
 </div>
 {% endmacro %}