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/App.jsx

@@ -0,0 +1,36 @@
+import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom'
+import useAuthStore from './store/authStore'
+import AppLayout from './layouts/AppLayout'
+import LoginPage from './pages/LoginPage'
+import DashboardPage from './pages/DashboardPage'
+import OrderDetailPage from './pages/OrderDetailPage'
+import ProductsPage from './pages/ProductsPage'
+import WaitersPage from './pages/WaitersPage'
+import TablesPage from './pages/TablesPage'
+import ReportsPage from './pages/ReportsPage'
+import SettingsPage from './pages/SettingsPage'
+
+function RequireAuth({ children }) {
+  const token = useAuthStore(s => s.token)
+  return token ? children : <Navigate to="/login" replace />
+}
+
+export default function App() {
+  return (
+    <BrowserRouter>
+      <Routes>
+        <Route path="/login" element={<LoginPage />} />
+        <Route path="/" element={<RequireAuth><AppLayout /></RequireAuth>}>
+          <Route index element={<Navigate to="/dashboard" replace />} />
+          <Route path="dashboard" element={<DashboardPage />} />
+          <Route path="orders/:orderId" element={<OrderDetailPage />} />
+          <Route path="products" element={<ProductsPage />} />
+          <Route path="waiters" element={<WaitersPage />} />
+          <Route path="tables" element={<TablesPage />} />
+          <Route path="reports" element={<ReportsPage />} />
+          <Route path="settings" element={<SettingsPage />} />
+        </Route>
+      </Routes>
+    </BrowserRouter>
+  )
+}