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/channel.go

@@ -2,14 +2,20 @@ package events
 
 import (
 	"encoding/json"
-	"github.com/hibiken/asynq"
 	"log/slog"
+
+	"github.com/hibiken/asynq"
 )
 
 const RemoveChannel = "channel:remove"
 
-func NewRemoveChannel(ids []int32) *asynq.Task {
-	bytes, err := json.Marshal(ids)
+type RemoveChannelData struct {
+	Batch string  `json:"batch"`
+	IDs   []int32 `json:"ids"`
+}
+
+func NewRemoveChannel(data RemoveChannelData) *asynq.Task {
+	bytes, err := json.Marshal(data)
 	if err != nil {
 		slog.Error("序列化删除通道任务失败", "error", err)
 		return nil