feat(users): add inline promotion center

inc/helpers/aksrt-user-center.php

@@ -102,13 +102,17 @@ if (!function_exists('aksrt_get_user_center_tab_url')) {
 	 * Build a canonical full-page user-center tab URL.
 	 */
 	function aksrt_get_user_center_tab_url(string $tab): string {
+		$tab = sanitize_key($tab);
+		if ('invite' === $tab) {
+			$tab = 'promotion';
+		}
 		$url = remove_query_arg([
 			'tab', 'posts_page', 'comments_page', 'favorites_page', 'credits_page',
 			'post_status', 'saved', 'profile_error',
 			'order_tab', 'otab', 'order_status', 'order_page', 'order_type', 'section',
 		], aksrt_get_user_center_url());
 
-		return add_query_arg('tab', sanitize_key($tab), $url);
+		return add_query_arg('tab', $tab, $url);
 	}
 }
 
@@ -150,6 +154,7 @@ if (!function_exists('aksrt_capture_user_center_view')) {
 			'vip'            => 'vip',
 			'orders'         => 'orders',
 			'auth'           => 'auth',
+			'promotion'      => 'promotion',
 			'settings'       => 'settings',
 			'header'         => 'header',
 			'sidebar'        => 'sidebar',
@@ -174,7 +179,7 @@ if (!function_exists('aksrt_capture_user_center_panel')) {
 	 * Capture a built-in or registered user-center panel body.
 	 */
 	function aksrt_capture_user_center_panel(string $tab_key, array $tab, array $context): string {
-		$built_in_tabs = ['profile', 'level', 'posts', 'comments', 'favorites', 'credits', 'vip', 'orders', 'auth', 'settings'];
+		$built_in_tabs = ['profile', 'level', 'posts', 'comments', 'favorites', 'credits', 'vip', 'orders', 'auth', 'promotion', 'settings'];
 		if (in_array($tab_key, $built_in_tabs, true)) {
 			return aksrt_capture_user_center_view($tab_key, $context);
 		}
@@ -280,7 +285,7 @@ if (!function_exists('aksrt_user_center_resolve_tabs')) {
 		if ('signin' === $active || 'assets' === $active) {
 			$active = 'credits';
 		} elseif ('invite' === $active) {
-			$active = 'settings';
+			$active = 'promotion';
 		} elseif ('vip' === $active) {
 			// Prefer dedicated vip tab when registered; else credits (VIP shop).
 			$active = in_array('vip', $keys, true) ? 'vip' : 'credits';
@@ -339,7 +344,7 @@ if (!function_exists('aksrt_user_center_runtime_config')) {
 			'activeTab'     => $active_tab,
 			'tabAliases'    => [
 					'signin' => 'credits',
-					'invite' => 'settings',
+					'invite' => 'promotion',
 					'assets' => 'credits',
 					// vip → vip when panel exists; SPA may still map missing keys via server resolve.
 					'vip'    => 'vip',