Phase 3: scaffold Manager Dashboard — all pages, layout, routing

Includes: LoginPage (PIN pad), DashboardPage (30s polling table grid),
OrderDetailPage (full actions), ProductsPage (CRUD + printer zone),
WaitersPage (block/reset PIN/delete), TablesPage, ReportsPage
(shift summary + order history + CSV export), SettingsPage (printers
+ test print + sysadmin lock/unlock). TailwindCSS, React Query,
react-hot-toast. Docker Compose service on port 5174.

manager_dashboard/src/components/StatusBadge.jsx

@@ -0,0 +1,18 @@
+const MAP = {
+  free:            { label: 'Ελεύθερο',         cls: 'bg-gray-100 text-gray-600' },
+  open:            { label: 'Ανοιχτό',           cls: 'bg-green-100 text-green-700' },
+  partially_paid:  { label: 'Μερική πληρωμή',    cls: 'bg-amber-100 text-amber-700' },
+  paid:            { label: 'Πληρώθηκε',         cls: 'bg-blue-100 text-blue-700' },
+  closed:          { label: 'Κλειστό',           cls: 'bg-gray-200 text-gray-500' },
+  cancelled:       { label: 'Ακυρώθηκε',         cls: 'bg-red-100 text-red-600' },
+  active:          { label: 'Ενεργό',            cls: 'bg-green-100 text-green-700' },
+}
+
+export default function StatusBadge({ status }) {
+  const { label, cls } = MAP[status] ?? { label: status, cls: 'bg-gray-100 text-gray-600' }
+  return (
+    <span className={`inline-block text-xs font-semibold px-2 py-0.5 rounded-full ${cls}`}>
+      {label}
+    </span>
+  )
+}