Optimize client details with opaque tokens

src/App.tsx

@@ -46,7 +46,7 @@ function App() {
           <Route path="products" element={<Products />} />
           <Route path="products/:id" element={<ProductDetails />} />
           <Route path="clients" element={<Clients />} />
-          <Route path="clients/:customerKey" element={<ClientDetails />} />
+          <Route path="clients/:clientToken" element={<ClientDetails />} />
           <Route path="rfm" element={<Rfm />} />
           <Route path="campaigns" element={<Campaigns />} />
           <Route path="admin/users" element={<SuperAdminRoute><AdminUsers /></SuperAdminRoute>} />