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/build/HomepageSettings.css

@@ -0,0 +1 @@
+.homepage-settings__empty-tabs[data-v-ae4c5b65]{padding:24px;text-align:center;border:1px dashed var(--n-border-color);border-radius:4px;margin-bottom:12px}.homepage-settings__tab-row[data-v-ae4c5b65]{margin-bottom:8px}.homepage-settings__tab-fields[data-v-ae4c5b65]{display:flex;gap:8px;align-items:center}.aksrt-form-actions[data-v-ae4c5b65]{margin-top:16px;text-align:right}