Version: 0.2.5.dev.260211

feat: 🗑️ 新增删除任务类接口并实现级联删除

- 通过 task_class 与 task_item 两张表建立级联关系 🔗
- 删除 task_class 时自动删除关联的 task_item
- 保证数据一致性，避免产生孤立数据 ✅

backend/routers/routers.go

@@ -70,6 +70,7 @@ func RegisterRouters(handlers *api.ApiHandlers, cache *dao.CacheDAO, limiter *pk
 			taskClassGroup.PUT("/update", middleware.IdempotencyMiddleware(cache), handlers.TaskClassHandler.UserUpdateTaskClass)
 			taskClassGroup.POST("/insert-into-schedule", middleware.IdempotencyMiddleware(cache), handlers.TaskClassHandler.UserAddTaskClassItemIntoSchedule)
 			taskClassGroup.DELETE("/delete-item", middleware.IdempotencyMiddleware(cache), handlers.TaskClassHandler.DeleteTaskClassItem)
+			taskClassGroup.DELETE("/delete-class", middleware.IdempotencyMiddleware(cache), handlers.TaskClassHandler.DeleteTaskClass)
 		}
 		scheduleGroup := apiGroup.Group("/schedule")
 		{