feat(admin): strip SPA ops menus; redirect old hashes to native WP (Phase 4)

SPA shop/forum/payment/users sections now keep configuration pages only.
Operational workbenches were removed from the sidebar and loaders; legacy
hash routes open NativeOpsRedirect into the matching WP native admin page.
Admin SPA production build refreshed accordingly.

assets/admin/src/router/component-loaders/shop.js

@@ -1,9 +1,2 @@
-export const shopPageLoaders = {
-  ShopDashboard: () => import('@/pages/shop/ShopDashboard.vue'),
-  ShopProducts: () => import('@/pages/shop/ShopProducts.vue'),
-  ShopOrders: () => import('@/pages/shop/ShopOrders.vue'),
-  ShopWithdrawals: () => import('@/pages/shop/ShopWithdrawals.vue'),
-  ShopCoupons: () => import('@/pages/shop/ShopCoupons.vue'),
-  ShopAfterSale: () => import('@/pages/shop/ShopAfterSale.vue'),
-  ShopShipping: () => import('@/pages/shop/ShopShipping.vue'),
-}
+// Shop ops Vue pages removed (Phase 4). Config uses SchemaPage.
+export const shopPageLoaders = {}