feat: 优化客服会话及延迟消息逻辑

consts/public/msg_key.go

@@ -2,7 +2,11 @@ package public
 
 const GmqMsgPluginsName = "gmq_msg"
 
-const AccountDialogKeyUserId = "account:dialog:%s"
+const (
+	AccountMsgKey             = "account:%s:%s:%s"
+	AccountDialogHistoryKey   = "account:dialog:history:%s"
+	AccountGreetingOptionsKey = "account:greeting:options:%s"
+)
 
 const (
 	AccountFollowupTopic    = "account:followup:stream"   // 请求 Stream 键名（与发消息的key一致）