优化结构

internal/biz/task/task.go

@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"github.com/robfig/cron/v3"
+	platformtask "kra/pkg/task"
 )
 
 type TimedTask struct {
@@ -77,13 +78,9 @@ type TaskUsecase struct {
 	methods TaskMethodRegistry
 }
 
-func NewTaskUsecase(repo TaskRepo) *TaskUsecase {
-	return NewTaskUsecaseWithRegistry(repo, DefaultTaskMethodRegistry())
-}
-
 func NewTaskUsecaseWithRegistry(repo TaskRepo, methods TaskMethodRegistry) *TaskUsecase {
 	if methods == nil {
-		methods = DefaultTaskMethodRegistry()
+		methods = platformtask.NewRegistry()
 	}
 	return &TaskUsecase{TaskRepo: repo, methods: methods}
 }