Rail: an outline clock for Cron instead of the ⏱ emoji

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

web/src/Shell.tsx

@@ -27,12 +27,19 @@ const FolderIcon = (
   </svg>
 )
 
+// ⏱ is an emoji on phones (full colour, its own size); an outline clock matches the rest.
+const ClockIcon = (
+  <svg viewBox="0 0 16 16" width="14" height="14" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+    <circle cx="8" cy="8" r="6.2" /><path d="M8 4.6V8l2.3 1.5" />
+  </svg>
+)
+
 const GROUPS: Group[] = [
   { id: 'dashboard', label: 'Monitors', icon: '◔' },
   { id: 'procs', label: 'Processes', icon: '≡' },
   { id: 'terminal', label: 'Terminal', icon: '>_' },
   { id: 'services', label: 'Services', icon: '◈' },
-  { id: 'cron', label: 'Cron', icon: '⏱' },
+  { id: 'cron', label: 'Cron', icon: ClockIcon },
   { id: 'updates', label: 'Updates', icon: '⇪' },
   { id: 'disks', label: 'Disks', icon: '▤' },
   { id: 'files', label: 'Files', icon: FolderIcon },