feat(pay): card-pass redeem for VIP and balance (zibll-style)

Rewrite charge-card into typed single-use card_pass inventory with public redeem REST, user-center UI for balance/VIP, admin type-aware create/batch, and CAS mark-used fulfillment via Credits/activate_vip.

inc/classes/class-aksrt-db-migrator.php

@@ -19,7 +19,7 @@ class AKSRT_DB_Migrator {
     use AKSRT_DB_Migrator_Part_3;
 
     /** Current schema version; changing it re-runs dbDelta. */
-    const SCHEMA_VERSION = '1.13.0';
+    const SCHEMA_VERSION = '1.14.0';
 
     const OPT_KEY = 'aksrt_db_schema_version';