feat(forum): frontend 1:1 list/tabs/urls/enqueue

Wire Zibll-style board sort tabs, shared topic rows, page-template
URLs, forum asset enqueue on home/plate, home synthesis load-more,
and topic last_reply meta for last-reply ordering. No dual-read.

templates/parts/user-home/panel-forum.php

@@ -18,7 +18,7 @@ extract($args, EXTR_SKIP); // phpcs:ignore WordPress.PHP.DontExtract.extract_ext
 							<h2 class="uh-forum__section-title-main"><?php esc_html_e('论坛内容', 'aksrt'); ?></h2>
 							<p class="uh-forum__section-desc"><?php esc_html_e('在用户主页中保留论坛维度，但仍以内容流和身份展示为主。', 'aksrt'); ?></p>
 						</div>
-						<a class="uh-forum__section-link" href="<?php echo esc_url(home_url('/forums/')); ?>"><?php esc_html_e('进入社区', 'aksrt'); ?></a>
+						<a class="uh-forum__section-link" href="<?php echo esc_url(aksrt_get_forum_home_url()); ?>"><?php esc_html_e('进入社区', 'aksrt'); ?></a>
 					</div>
 					<?php
 					$forum_page = max(1, isset($_GET['forum_page']) ? (int) $_GET['forum_page'] : 1);