feat(user): badge icon urls and wear medal chrome

Extend badge dictionary with optional icon_url, prefer aksrt_wear_badge
when assigned, and render medal images in identity chips.

inc/classes/class-aksrt-user-home.php

@@ -130,7 +130,7 @@ class AKSRT_User_Home {
     /**
      * 获取公开展示的身份信号（认证 / 等级 / 徽章）。
      *
-     * @return array<int,array{label:string,icon:string,tone:string}>
+     * @return array<int,array{label:string,icon:string,tone:string,icon_url?:string,type?:string,slug?:string,wear?:bool}>
      */
     public function get_profile_signals(int $user_id): array {
         if ($user_id <= 0 || !class_exists('AKSRT_Settings')) {
@@ -142,6 +142,7 @@ class AKSRT_User_Home {
 
         if (!empty($settings['verify']['enabled']) && !empty($settings['verify']['public_display']) && $this->is_user_verified($user_id, $settings['verify'])) {
             $signals[] = [
+                'type'  => 'verify',
                 'label' => (string) $settings['verify']['badge_text'],
                 'icon'  => 'check-circle',
                 'tone'  => 'success',
@@ -152,6 +153,7 @@ class AKSRT_User_Home {
             $level = $this->get_user_level($user_id, $settings['level']);
             if ($level > 0) {
                 $signals[] = [
+                    'type'  => 'level',
                     'label' => (string) $settings['level']['label_prefix'] . $level,
                     'icon'  => 'layer-group',
                     'tone'  => 'info',
@@ -171,21 +173,36 @@ class AKSRT_User_Home {
             if (!is_array($assigned)) {
                 $assigned = preg_split('/[\s,]+/', (string) $assigned, -1, PREG_SPLIT_NO_EMPTY);
             }
+            $assigned = array_values(array_filter(array_map(static function ($slug) {
+                return sanitize_key((string) $slug);
+            }, (array) $assigned)));
+
+            // Prefer worn badge first (Zibll wear-medal).
+            $wear = sanitize_key((string) get_user_meta($user_id, 'aksrt_wear_badge', true));
+            if ($wear !== '' && in_array($wear, $assigned, true) && isset($badge_map[$wear])) {
+                $assigned = array_values(array_unique(array_merge([$wear], $assigned)));
+            }
 
             $limit = max(1, (int) ($settings['badge']['limit'] ?? 3));
-            foreach ((array) $assigned as $slug) {
-                $slug = sanitize_key((string) $slug);
+            $badge_count = 0;
+            foreach ($assigned as $slug) {
                 if ($slug === '' || !isset($badge_map[$slug])) {
                     continue;
                 }
 
+                $icon_url = (string) ($badge_map[$slug]['icon_url'] ?? '');
                 $signals[] = [
-                    'label' => (string) $badge_map[$slug]['label'],
-                    'icon'  => 'award',
-                    'tone'  => (string) ($badge_map[$slug]['tone'] ?? 'neutral'),
+                    'type'     => 'badge',
+                    'slug'     => $slug,
+                    'label'    => (string) $badge_map[$slug]['label'],
+                    'icon'     => 'award',
+                    'tone'     => (string) ($badge_map[$slug]['tone'] ?? 'neutral'),
+                    'icon_url' => $icon_url,
+                    'wear'     => ($wear !== '' && $slug === $wear),
                 ];
+                $badge_count++;
 
-                if (count($signals) >= $limit + 2) {
+                if ($badge_count >= $limit) {
                     break;
                 }
             }