fix(api): 修复营销系统非直充类型字段过滤逻辑

- 在导出字段中过滤非直充类型时增加移除account字段
- 调整日志信息，说明非直充类型不导出充值时间、卡密和账号
- 元数据处理中营销系统非直充类型字段显示控制新增account字段
- 保证直充类型(type=1)才显示recharge_time、card_code和account字段

server/internal/api/exports.go

@@ -248,19 +248,19 @@ func (a *ExportsAPI) create(w http.ResponseWriter, r *http.Request) {
 		}
 		filtered = deduped
 	}
-	// 营销系统：非直充类型(type!=1)时移除recharge_time和card_code字段
+	// 营销系统：非直充类型(type!=1)时移除recharge_time、card_code、account字段
 	if ds == "marketing" && tv != 1 {
 		deduped := make([]string, 0, len(filtered))
 		removed := []string{}
 		for _, tf := range filtered {
-			if tf == "order.recharge_time" || tf == "order.card_code" {
+			if tf == "order.recharge_time" || tf == "order.card_code" || tf == "order.account" {
 				removed = append(removed, tf)
 				continue
 			}
 			deduped = append(deduped, tf)
 		}
 		if len(removed) > 0 {
-			logging.JSON("INFO", map[string]interface{}{"event": "fields_filtered_non_direct_charge", "removed": removed, "reason": "非直充类型不导出充值时间和卡密"})
+			logging.JSON("INFO", map[string]interface{}{"event": "fields_filtered_non_direct_charge", "removed": removed, "reason": "非直充类型不导出充值时间、卡密和账号"})
 		}
 		filtered = deduped
 	}

server/internal/api/metadata.go

@@ -25,9 +25,9 @@ func MetadataHandler(meta, marketing, ymt *sql.DB) http.Handler {
 				if f.Hidden {
 					continue
 				}
-				// 营销系统：recharge_time和card_code字段只在直充类型(type=1)时才显示
+				// 营销系统：recharge_time、card_code、account字段只在直充类型(type=1)时才显示
 				if ds == "marketing" && ot != "1" {
-					if f.Key == "order.recharge_time" || f.Key == "order.card_code" {
+					if f.Key == "order.recharge_time" || f.Key == "order.card_code" || f.Key == "order.account" {
 						continue
 					}
 				}