feat(user): 支持后台调整等级并限制极品专区可见性

backend/internal/modules/listing/repository.go

@@ -73,8 +73,9 @@ func (r *Repository) IsQualityOwner(ctx context.Context, userID uint64) (bool, e
 }
 
 type publicZoneCountCache struct {
-	Counts    map[string]int64
-	ExpiresAt time.Time
+	Counts          map[string]int64
+	NonPremiumTotal int64
+	ExpiresAt       time.Time
 }
 
 const publicZoneCountCacheTTL = 5 * time.Second