feat(identity): close free-task progress, level card, hot threshold

Finish remaining 1:1 parity gaps: free-task done/progress DTO with
daily marks, user-center level/integral card UI, configurable forum
hot recommend threshold, and task progress bars.

inc/classes/forum/class-aksrt-forum-score-service.php

@@ -222,7 +222,14 @@ class AKSRT_Forum_Score_Service {
     }
 
     private function maybe_reward_hot_topic(int $topic_id, float $score): void {
-        $hot_threshold = 500.0;
+        $config = $this->forum->get_config();
+        $hot_threshold = (float) ($config['post_page']['hot_recommend_threshold']
+            ?? $config['credits']['hot_recommend_threshold']
+            ?? $config['other']['hot_topic_threshold']
+            ?? 500);
+        if ($hot_threshold <= 0) {
+            $hot_threshold = 500.0;
+        }
         if ($score < $hot_threshold) {
             return;
         }
@@ -239,7 +246,6 @@ class AKSRT_Forum_Score_Service {
         }
         do_action('aksrt_forum_topic_hot', $topic_id, (int) $author_id);
         update_post_meta($topic_id, '_aksrt_hot_rewarded', '1');
-        $config = $this->forum->get_config();
         $amount = (int) ($config['credits']['posts_hot'] ?? 5);
         if ($amount > 0) {
             if (class_exists('AKSRT_Points_Free')) {