feat(nav): close P0/P1 parity gaps (nav style, history, plate, admin build)

Wire header_nav_style transparent/blur, login history sync, plate publish
type, clean dead search CSS, rebuild admin SPA locally (build gitignored).

inc/helpers/aksrt-header-menu-buttons.php

@@ -26,6 +26,7 @@ if (!function_exists('aksrt_get_header_newposts_config')) :
 				$shop  = \AKSRT\Settings\Settings::get_shop_settings();
 				if (!empty($forum['enabled'])) {
 					$types[] = 'topic';
+					$types[] = 'plate';
 				}
 				if (!empty($shop['enabled'])) {
 					$types[] = 'product';
@@ -87,6 +88,28 @@ if (!function_exists('aksrt_get_new_add_actions')) :
 					'label' => __('发布商品', 'aksrt'),
 					'icon'  => 'fas fa-shopping-bag',
 				];
+			} elseif ($type === 'plate') {
+				// zibll bbs_plate → AKSRT forum plate CPT (admin create for entitled users).
+				$can = current_user_can('manage_options');
+				if (!$can && class_exists('\AKSRT\Forum\Forum')) {
+					try {
+						$forum = \AKSRT\Forum\Forum::get_instance();
+						if (method_exists($forum, 'forum_user_can')) {
+							$can = (bool) $forum->forum_user_can(get_current_user_id(), 'plate_create');
+						}
+					} catch (\Throwable $e) {
+						$can = false;
+					}
+				}
+				if (!$can || !post_type_exists('aksrt_forum_plate')) {
+					continue;
+				}
+				$out[] = [
+					'type'  => 'plate',
+					'url'   => admin_url('post-new.php?post_type=aksrt_forum_plate'),
+					'label' => __('创建版块', 'aksrt'),
+					'icon'  => 'fas fa-th-large',
+				];
 			}
 		}
 		return $out;