feat: 优化客服会话及延迟消息逻辑

consts/scriptedSpeech/scene_type.go

@@ -6,12 +6,6 @@ var (
 	SceneTypeOpeningRemark = newSceneType(gconv.PtrInt8(1), "开场白无回应")
 	SceneTypeDialog        = newSceneType(gconv.PtrInt8(2), "对话中途无回应")
 	SceneTypeCardSend      = newSceneType(gconv.PtrInt8(3), "卡片发送后无回应")
-
-	sceneTypeMap = map[SceneType]sceneType{
-		gconv.PtrInt8(1): SceneTypeOpeningRemark,
-		gconv.PtrInt8(2): SceneTypeDialog,
-		gconv.PtrInt8(3): SceneTypeCardSend,
-	}
 )
 
 type SceneType *int8
@@ -33,8 +27,13 @@ func newSceneType(code SceneType, desc string) sceneType {
 }
 
 func GetDescByCode(code SceneType) string {
-	if p, ok := sceneTypeMap[code]; ok {
-		return p.Desc()
+	switch *code {
+	case *SceneTypeOpeningRemark.Code():
+		return SceneTypeOpeningRemark.Desc()
+	case *SceneTypeDialog.Code():
+		return SceneTypeDialog.Desc()
+	case *SceneTypeCardSend.Code():
+		return SceneTypeCardSend.Desc()
 	}
 	return "未知场景类型"
 }