feat(badges): medal info remote modal + grant notification

Add zibll-like badge list/single AJAX modals, Message notify on grant,
author-home/user-center entry points, and front wear handler.

templates/parts/user/author-hero.php

@@ -102,6 +102,16 @@ $pm_url = ($pm_enabled && $messages_url !== '')
 			</h1>
 			<?php endif; ?>
 
+			<?php
+			// Badge detail remote-modal (zibll user medal info).
+			if (class_exists('\AKSRT\User\Badges') && \AKSRT\User\Badges::enabled() && \AKSRT\User\Badges::public_display()) {
+				$badge_link = \AKSRT\User\Badges::get_info_link($user_id, 'but but-sm jb-blue mt6', __('徽章明细', 'aksrt'));
+				if ($badge_link !== '') {
+					echo '<div class="aksrt-author-hero__badges">' . $badge_link . '</div>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
+				}
+			}
+			?>
+
 			<?php if ($show_desc && $user->description) : ?>
 			<p class="aksrt-author-hero__desc"><?php echo esc_html($user->description); ?></p>
 			<?php endif; ?>