优化通道关闭流程，只靠 batch id 索引通道

web/events/channel.go

@@ -1,24 +1,11 @@
 package events
 
 import (
-	"encoding/json"
-	"log/slog"
-
 	"github.com/hibiken/asynq"
 )
 
 const RemoveChannel = "channel:remove"
 
-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
-	}
-	return asynq.NewTask(RemoveChannel, bytes)
+func NewRemoveChannel(batch string) *asynq.Task {
+	return asynq.NewTask(RemoveChannel, []byte(batch))
 }