fix: bug

app/services/user_store.py

@@ -709,10 +709,10 @@ class UserStore:
         cycle_started_at = int(row["cycle_started_at"] or 0) if row else 0
         cycle_expires_at = int(row["cycle_expires_at"] or 0) if row else 0
         now = int(time.time())
-        cycle_active = cycle_expires_at > now if cycle_expires_at > 0 else True
+        # 仅当已开启有效计费周期时，席位额度才可用；新用户未购买时不应显示席位 1500
+        cycle_active = cycle_started_at > 0 and cycle_expires_at > now
         if not cycle_active:
             seat_remaining = 0
-            shared_credits = 0
         return {
             "vip_enabled": bool(int(row["vip_enabled"] or 0)) if row else False,
             "token_balance": shared_credits,