feat(admin): deeper order/income filters, post pay-type, topic sales meta

Add order user/payment filters, income/rebate user_id filter, posts list
pay_type dropdown, topic virtual_sales/coupon meta, and forum unlock
facade methods used by hidecontent/payshow.

inc/classes/class-aksrt-forum.php

@@ -595,6 +595,18 @@ class AKSRT_Forum {
         return $this->topic_service()->unlock_topic_with_credits($user_id, $topic_id);
     }
 
+    public function has_user_unlocked_topic(int $user_id, int $topic_id): bool {
+        return $this->topic_service()->has_user_unlocked_topic($user_id, $topic_id);
+    }
+
+    public function has_user_paid_topic(int $user_id, int $topic_id): bool {
+        return $this->topic_service()->has_user_paid_topic($user_id, $topic_id);
+    }
+
+    public function resolve_topic_pay_price(int $topic_id, int $user_id = 0): array {
+        return $this->topic_service()->resolve_topic_pay_price($topic_id, $user_id);
+    }
+
     public function prepare_vote_meta(array $data): array {
         return $this->topic_service()->prepare_vote_meta($data);
     }