feat: add product trace UI

src/App.tsx

@@ -7,6 +7,8 @@ import DashboardPage from './pages/Dashboard';
 import ManagePage from './pages/Manage';
 import ProfilePage from './pages/Profile';
 import EmployeeSerialsPage from './pages/EmployeeSerials';
+import ProductTracesPage from './pages/ProductTraces';
+import ProductTracePublicPage from './pages/ProductTracePublic';
 import AftersalesPage from './pages/Aftersales';
 import AftersalesDetailPage from './pages/AftersalesDetail';
 import AftersalesConfirmPage from './pages/AftersalesConfirm';
@@ -50,6 +52,7 @@ function App() {
           </PublicRoute>
         } />
         <Route path="/query" element={<PublicQueryPage />} />
+        <Route path="/product-traces/:serialNumber" element={<ProductTracePublicPage />} />
         <Route path="/aftersales/:serialNumber" element={<AftersalesConfirmPage />} />
         <Route path="/project-orders/:serialNumber" element={<ProjectOrderCompletePage />} />
 
@@ -59,6 +62,7 @@ function App() {
             <Route path="/admin/dashboard" element={<DashboardPage />} />
             <Route path="/admin/manage" element={<ManagePage />} />
             <Route path="/admin/employee-serials" element={<EmployeeSerialsPage />} />
+            <Route path="/admin/product-traces" element={<ProductTracesPage />} />
             <Route path="/admin/aftersales" element={<AftersalesPage />} />
             <Route path="/admin/aftersales/:serialNumber" element={<AftersalesDetailPage />} />
             <Route path="/admin/project-orders" element={<ProjectOrdersPage />} />