优化表结构，重构模型，重新实现基于白银网关的提取节点流程

web/events/trade.go

@@ -3,7 +3,8 @@ package events
 import (
 	"encoding/json"
 	"log/slog"
-	trade2 "platform/web/domains/trade"
+
+	m "platform/web/models"
 
 	"github.com/hibiken/asynq"
 )
@@ -12,7 +13,7 @@ const CancelTrade = "trade:update"
 
 type CancelTradeData struct {
 	TradeNo string        `json:"trade_no" validate:"required"`
-	Method  trade2.Method `json:"method" validate:"required"`
+	Method  m.TradeMethod `json:"method" validate:"required"`
 }
 
 func NewCancelTrade(data CancelTradeData) *asynq.Task {