fix(okx): 更新账户占用保证金字段为imr并调整相关逻辑

Administrator

2025-12-12 3cd5191a2840d770a166c937da1b3c8493285c47

 src/main/java/com/xcong/excoin/modules/contract/entity/ContractHoldOrderEntity.java

@@ -146,4 +146,9 @@
     * 批次号 队列平仓时使用，避免重复
     */
    public String batchNo;

    /**
     * 持仓费
     */
    private BigDecimal holdAmount;
}