fix(okx): 修复OKX交易执行器和WebSocket客户端配置问题

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5 days ago 008adf30f3de561c01c595666fdd645b47dc1f25

fix(okx): 修复OKX交易执行器和WebSocket客户端配置问题

- 在OkxTradeExecutor中添加posSide参数以支持双向持仓模式
- 修复size参数的符号问题，确保传给OKX的值为正数
- 调整OkxWebSocketClientManager中的网格交易参数配置
- 将gridRate从0.03调整为0.0025
- 将baseQuantity和quantity从15调整为1

 src/main/java/com/xcong/excoin/modules/okxApi/OkxTradeExecutor.java

@@ -392,13 +392,17 @@
        executor.execute(() -> {
            try {
                String side = isLong ? "buy" : "sell";
                String posSide = isLong ? "long" : "short";
                // OKX sz 必须为正数，strategy 层传入的负数需转正
                String absSz = size.startsWith("-") ? size.substring(1) : size;

                JSONObject body = new JSONObject();
                body.put("instId", contract);
                body.put("tdMode", "cross");
                body.put("side", side);
                body.put("posSide", posSide);            // 双向持仓模式必须指定
                body.put("ordType", "trigger");          // 计划委托 = 触发后开仓
                body.put("sz", size);
                body.put("sz", absSz);
                body.put("triggerPx", triggerPrice.stripTrailingZeros().toPlainString());
                body.put("triggerPxType", "last");
                body.put("orderPx", "-1");               // OKX 使用 orderPx，非 ordPx

 src/main/java/com/xcong/excoin/modules/okxApi/OkxWebSocketClientManager.java

@@ -58,11 +58,11 @@
                    .leverage("100")
                    .marginMode("cross")
                    .positionMode("long_short_mode")
                    .gridRate(new BigDecimal("0.003"))
                    .gridRate(new BigDecimal("0.0025"))
                    .expectedProfit(new BigDecimal("25"))
                    .maxLoss(new BigDecimal("15"))
                    .baseQuantity("15")
                    .quantity("15")
                    .baseQuantity("1")
                    .quantity("1")
                    .restartGridSpan(6)
                    .maxPositionSize(2)
                    .priceScale(2)