重构交易相关逻辑，优化异步任务处理，更新支付状态查询逻辑

web/tasks/trade.go

@@ -0,0 +1,19 @@
+package tasks
+
+import (
+	"encoding/json"
+	"github.com/hibiken/asynq"
+	"log/slog"
+	trade2 "platform/web/domains/trade"
+)
+
+const UpdateTrade = "trade:update"
+
+func NewUpdateTrade(tradeNo string, method trade2.Method) *asynq.Task {
+	bytes, err := json.Marshal(tradeNo)
+	if err != nil {
+		slog.Error("序列化更新交易任务失败", "error", err)
+		return nil
+	}
+	return asynq.NewTask(UpdateTrade, bytes)
+}